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FFmpeg/Changelog

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Raw Blame History 

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

  2. releases are sorted from youngest to oldest.

  3. 

  4. version <next>:

  5. - deblock filter

  6. - tmix filter

  7. - amplify filter

  8. - fftdnoiz filter

  9. - aderivative and aintegral audio filters

  10. - pal75bars and pal100bars video filter sources

  11. - support mbedTLS based TLS

  12. - adeclick filter

  13. - adeclip filter

  14. - libtensorflow backend for DNN based filters like srcnn

  15. - vc1 decoder is now bit-exact

  16. 

  17. 

  18. version 4.0:

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

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

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

  22. - VDA dropped (use VideoToolbox instead)

  23. - MagicYUV encoder

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

  25. - TiVo ty/ty+ demuxer

  26. - Intel QSV-accelerated MJPEG encoding

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

  28. - native aptX and aptX HD encoder and decoder

  29. - Raw aptX and aptX HD muxer and demuxer

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

  31. - Intel QSV-accelerated overlay filter

  32. - mcompand audio filter

  33. - acontrast audio filter

  34. - OpenCL overlay filter

  35. - video mix filter

  36. - video normalize filter

  37. - audio lv2 wrapper filter

  38. - VAAPI MJPEG and VP8 decoding

  39. - AMD AMF H.264 and HEVC encoders

  40. - video fillborders filter

  41. - video setrange filter

  42. - nsp demuxer

  43. - support LibreSSL (via libtls)

  44. - AVX-512/ZMM support added

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

  46.   version is Windows Vista.

  47. - deconvolve video filter

  48. - entropy video filter

  49. - hilbert audio filter source

  50. - aiir audio filter

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

  52. - Removed the ffserver program

  53. - Removed the ffmenc and ffmdec muxer and demuxer

  54. - VideoToolbox HEVC encoder and hwaccel

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

  56. - Add android_camera indev

  57. - codec2 en/decoding via libcodec2

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

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

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

  61. - native SBC encoder and decoder

  62. - drmeter audio filter

  63. - hapqa_extract bitstream filter

  64. - filter_units bitstream filter

  65. - AV1 Support through libaom

  66. - E-AC-3 dependent frames support

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

  68. - Haivision SRT protocol via libsrt

  69. - segafilm muxer

  70. - vfrdet filter

  71. - SRCNN filter

  72. 

  73. 

  74. version 3.4:

  75. - deflicker video filter

  76. - doubleweave video filter

  77. - lumakey video filter

  78. - pixscope video filter

  79. - oscilloscope video filter

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

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

  82. - afir audio filter

  83. - scale_cuda CUDA based video scale filter

  84. - librsvg support for svg rasterization

  85. - crossfeed audio filter

  86. - spec compliant VP9 muxing support in MP4

  87. - remove the libnut muxer/demuxer wrappers

  88. - remove the libschroedinger encoder/decoder wrappers

  89. - surround audio filter

  90. - sofalizer filter switched to libmysofa

  91. - Gremlin Digital Video demuxer and decoder

  92. - headphone audio filter

  93. - superequalizer audio filter

  94. - roberts video filter

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

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

  97. - additional frame format support for Interplay MVE movies

  98. - support for decoding through D3D11VA in ffmpeg

  99. - limiter video filter

  100. - libvmaf video filter

  101. - Dolby E decoder and SMPTE 337M demuxer

  102. - unpremultiply video filter

  103. - tlut2 video filter

  104. - floodfill video filter

  105. - pseudocolor video filter

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

  107. - NewTek NDI input/output device

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

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

  110.   They must always be used by name.

  111. - FITS demuxer and decoder

  112. - FITS muxer and encoder

  113. - add --disable-autodetect build switch

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

  115. - despill video filter

  116. - haas audio filter

  117. - SUP/PGS subtitle muxer

  118. - convolve video filter

  119. - VP9 tile threading support

  120. - KMS screen grabber

  121. - CUDA thumbnail filter

  122. - V4L2 mem2mem HW assisted codecs

  123. - Rockchip MPP hardware decoding

  124. - vmafmotion video filter

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

  126. 

  127. 

  128. version 3.3:

  129. - CrystalHD decoder moved to new decode API

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

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

  132. - premultiply video filter

  133. - Support for spherical videos

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

  135. - PSD Decoder

  136. - 16.8 floating point pcm decoder

  137. - 24.0 floating point pcm decoder

  138. - Apple Pixlet decoder

  139. - QDMC audio decoder

  140. - NewTek SpeedHQ decoder

  141. - MIDI Sample Dump Standard demuxer

  142. - readeia608 filter

  143. - Sample Dump eXchange demuxer

  144. - abitscope multimedia filter

  145. - Scenarist Closed Captions demuxer and muxer

  146. - threshold filter

  147. - midequalizer filter

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

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

  150. - FM Screen Capture Codec decoder

  151. - native Opus encoder

  152. - ScreenPressor decoder

  153. - incomplete ClearVideo decoder

  154. - Intel QSV video scaling and deinterlacing filters

  155. - Support MOV with multiple sample description tables

  156. - XPM decoder

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

  158. - MPEG-7 Video Signature filter

  159. - Removed asyncts filter (use af_aresample instead)

  160. - Intel QSV-accelerated VP8 video decoding

  161. - VAAPI-accelerated deinterlacing

  162. 

  163. 

  164. version 3.2:

  165. - libopenmpt demuxer

  166. - tee protocol

  167. - Changed metadata print option to accept general urls

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

  169. - VP8 in Ogg muxing

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

  171. - 16-bit support in curves filter and selectivecolor filter

  172. - OpenH264 decoder wrapper

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

  174. - True Audio (TTA) muxer

  175. - crystalizer audio filter

  176. - acrusher audio filter

  177. - bitplanenoise video filter

  178. - floating point support in als decoder

  179. - fifo muxer

  180. - maskedclamp filter

  181. - hysteresis filter

  182. - lut2 filter

  183. - yuvtestsrc filter

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

  185. - vaguedenoiser filter

  186. - added threads option per filter instance

  187. - weave filter

  188. - gblur filter

  189. - avgblur filter

  190. - sobel and prewitt filter

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

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

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

  194. - sdl2 output device and ffplay support

  195. - sdl1 output device and sdl1 support removed

  196. - extended mov edit list support

  197. - libfaac encoder removed

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

  199. - sidedata video and asidedata audio filter

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

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

  202. 

  203. 

  204. version 3.1:

  205. - DXVA2-accelerated HEVC Main10 decoding

  206. - fieldhint filter

  207. - loop video filter and aloop audio filter

  208. - Bob Weaver deinterlacing filter

  209. - firequalizer filter

  210. - datascope filter

  211. - bench and abench filters

  212. - ciescope filter

  213. - protocol blacklisting API

  214. - MediaCodec H264 decoding

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

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

  217. - AudioToolbox audio decoders

  218. - AudioToolbox audio encoders

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

  220. - libdcadec removed

  221. - bitstream filter for extracting DTS core

  222. - ADPCM IMA DAT4 decoder

  223. - musx demuxer

  224. - aix demuxer

  225. - remap filter

  226. - hash and framehash muxers

  227. - colorspace filter

  228. - hdcd filter

  229. - readvitc filter

  230. - VAAPI-accelerated format conversion and scaling

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

  232. - Duck TrueMotion 2.0 Real Time decoder

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

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

  235. - DTS Express (LBR) decoder

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

  237. - IFF ANIM demuxer & decoder

  238. - Direct Stream Transfer (DST) decoder

  239. - loudnorm filter

  240. - MTAF demuxer and decoder

  241. - MagicYUV decoder

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

  243. - BitJazz SheerVideo decoder

  244. - CUDA CUVID H264/HEVC decoder

  245. - 10-bit depth support in native utvideo decoder

  246. - libutvideo wrapper removed

  247. - YUY2 Lossless Codec decoder

  248. - VideoToolbox H.264 encoder

  249. 

  250. 

  251. version 3.0:

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

  253. - DXV decoding

  254. - extrastereo filter

  255. - ocr filter

  256. - alimiter filter

  257. - stereowiden filter

  258. - stereotools filter

  259. - rubberband filter

  260. - tremolo filter

  261. - agate filter

  262. - chromakey filter

  263. - maskedmerge filter

  264. - Screenpresso SPV1 decoding

  265. - chromaprint fingerprinting muxer

  266. - ffplay dynamic volume control

  267. - displace filter

  268. - selectivecolor filter

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

  270. - ADPCM PSX decoder

  271. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  272. - zscale filter

  273. - wve demuxer

  274. - zero-copy Intel QSV transcoding in ffmpeg

  275. - shuffleframes filter

  276. - SDX2 DPCM decoder

  277. - vibrato filter

  278. - innoHeim/Rsupport Screen Capture Codec decoder

  279. - ADPCM AICA decoder

  280. - Interplay ACM demuxer and audio decoder

  281. - XMA1 & XMA2 decoder

  282. - realtime filter

  283. - anoisesrc audio filter source

  284. - IVR demuxer

  285. - compensationdelay filter

  286. - acompressor filter

  287. - support encoding 16-bit RLE SGI images

  288. - apulsator filter

  289. - sidechaingate audio filter

  290. - mipsdspr1 option has been renamed to mipsdsp

  291. - aemphasis filter

  292. - mips32r5 option has been removed

  293. - mips64r6 option has been removed

  294. - DXVA2-accelerated VP9 decoding

  295. - SOFAlizer: virtual binaural acoustics filter

  296. - VAAPI VP9 hwaccel

  297. - audio high-order multiband parametric equalizer

  298. - automatic bitstream filtering

  299. - showspectrumpic filter

  300. - libstagefright support removed

  301. - spectrumsynth filter

  302. - ahistogram filter

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

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

  305. - afftfilt filter

  306. - convolution filter

  307. - libquvi support removed

  308. - support for dvaudio in wav and avi

  309. - libaacplus and libvo-aacenc support removed

  310. - Cineform HD decoder

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

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

  313. - nnedi deinterlacer

  314. - streamselect video and astreamselect audio filter

  315. - swaprect filter

  316. - metadata video and ametadata audio filter

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

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

  319. 

  320. 

  321. version 2.8:

  322. - colorkey video filter

  323. - BFSTM/BCSTM demuxer

  324. - little-endian ADPCM_THP decoder

  325. - Hap decoder and encoder

  326. - DirectDraw Surface image/texture decoder

  327. - ssim filter

  328. - optional new ASF demuxer

  329. - showvolume filter

  330. - Many improvements to the JPEG 2000 decoder

  331. - Go2Meeting decoding support

  332. - adrawgraph audio and drawgraph video filter

  333. - removegrain video filter

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

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

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

  337. - libkvazaar HEVC encoder

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

  339. - Dynamic Audio Normalizer as dynaudnorm filter

  340. - Reverse video and areverse audio filter

  341. - Random filter

  342. - deband filter

  343. - AAC fixed-point decoding

  344. - sidechaincompress audio filter

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

  346. - acrossfade audio filter

  347. - allyuv and allrgb video sources

  348. - atadenoise video filter

  349. - OS X VideoToolbox support

  350. - aphasemeter filter

  351. - showfreqs filter

  352. - vectorscope filter

  353. - waveform filter

  354. - hstack and vstack filter

  355. - Support DNx100 (1440x1080@8)

  356. - VAAPI hevc hwaccel

  357. - VDPAU hevc hwaccel

  358. - framerate filter

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

  360. - Removed experimental flag from the JPEG 2000 encoder

  361. 

  362. 

  363. version 2.7:

  364. - FFT video filter

  365. - TDSC decoder

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

  367. - showwavespic filter

  368. - DTS decoding through libdcadec

  369. - Drop support for nvenc API before 5.0

  370. - nvenc HEVC encoder

  371. - Detelecine filter

  372. - Intel QSV-accelerated H.264 encoding

  373. - MMAL-accelerated H.264 decoding

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

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

  376. - WebM Live Chunk Muxer

  377. - nvenc level and tier options

  378. - chorus filter

  379. - Canopus HQ/HQA decoder

  380. - Automatically rotate videos based on metadata in ffmpeg

  381. - improved Quickdraw compatibility

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

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

  384. - Direct3D11-accelerated decoding

  385. - Support Secure Transport

  386. - Multipart JPEG demuxer

  387. 

  388. 

  389. version 2.6:

  390. - nvenc encoder

  391. - 10bit spp filter

  392. - colorlevels filter

  393. - RIFX format for *.wav files

  394. - RTP/mpegts muxer

  395. - non continuous cache protocol support

  396. - tblend filter

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

  398. - Camellia symmetric block cipher

  399. - OpenH264 encoder wrapper

  400. - VOC seeking support

  401. - Closed caption Decoder

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

  403. - showpalette filter

  404. - Twofish symmetric block cipher

  405. - Support DNx100 (960x720@8)

  406. - eq2 filter ported from libmpcodecs as eq filter

  407. - removed libmpcodecs

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

  409. - ported softpulldown filter from libmpcodecs as repeatfields filter

  410. - dcshift filter

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

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

  413. - palettegen and paletteuse filters

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

  415. - RTP depacketizer for DV (RFC 6469)

  416. - DXVA2-accelerated HEVC decoding

  417. - AAC ELD 480 decoding

  418. - Intel QSV-accelerated H.264 decoding

  419. - DSS SP decoder and DSS demuxer

  420. - Fix stsd atom corruption in DNxHD QuickTimes

  421. - Canopus HQX decoder

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

  423. - Port MIPS optimizations to 64-bit

  424. 

  425. 

  426. version 2.5:

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

  428. - SUP/PGS subtitle demuxer

  429. - ffprobe -show_pixel_formats option

  430. - CAST128 symmetric block cipher, ECB mode

  431. - STL subtitle demuxer and decoder

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

  433. - XCB-based screen-grabber

  434. - UDP-Lite support (RFC 3828)

  435. - xBR scaling filter

  436. - AVFoundation screen capturing support

  437. - ffserver supports codec private options

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

  439. - WebP muxer with animated WebP support

  440. - zygoaudio decoding support

  441. - APNG demuxer

  442. - postproc visualization support

  443. 

  444. 

  445. version 2.4:

  446. - Icecast protocol

  447. - ported lenscorrection filter from frei0r filter

  448. - large optimizations in dctdnoiz to make it usable

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

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

  451. - LZMA compression support in TIFF decoder

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

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

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

  455. - Matroska 3D support thorugh side data

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

  457. - silenceremove filter

  458. 

  459. 

  460. version 2.3:

  461. - AC3 fixed-point decoding

  462. - shuffleplanes filter

  463. - subfile protocol

  464. - Phantom Cine demuxer

  465. - replaygain data export

  466. - VP7 video decoder

  467. - Alias PIX image encoder and decoder

  468. - Improvements to the BRender PIX image decoder

  469. - Improvements to the XBM decoder

  470. - QTKit input device

  471. - improvements to OpenEXR image decoder

  472. - support decoding 16-bit RLE SGI images

  473. - GDI screen grabbing for Windows

  474. - alternative rendition support for HTTP Live Streaming

  475. - AVFoundation input device

  476. - Direct Stream Digital (DSD) decoder

  477. - Magic Lantern Video (MLV) demuxer

  478. - On2 AVC (Audio for Video) decoder

  479. - support for decoding through DXVA2 in ffmpeg

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

  481. - libx264 reference frames count limiting depending on level

  482. - native Opus decoder

  483. - display matrix export and rotation API

  484. - WebVTT encoder

  485. - showcqt multimedia filter

  486. - zoompan filter

  487. - signalstats filter

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

  489. - flanger filter

  490. - Image format auto-detection

  491. - LRC demuxer and muxer

  492. - Samba protocol (via libsmbclient)

  493. - WebM DASH Manifest muxer

  494. - libfribidi support in drawtext

  495. 

  496. 

  497. version 2.2:

  498. 

  499. - HNM version 4 demuxer and video decoder

  500. - Live HDS muxer

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

  502. - elbg filter

  503. - string validation in ffprobe

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

  505. - complete Voxware MetaSound decoder

  506. - remove mp3_header_compress bitstream filter

  507. - Windows resource files for shared libraries

  508. - aeval filter

  509. - stereoscopic 3d metadata handling

  510. - WebP encoding via libwebp

  511. - ATRAC3+ decoder

  512. - VP8 in Ogg demuxing

  513. - side & metadata support in NUT

  514. - framepack filter

  515. - XYZ12 rawvideo support in NUT

  516. - Exif metadata support in WebP decoder

  517. - OpenGL device

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

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

  520. - Mirillis FIC video decoder

  521. - Support DNx444

  522. - libx265 encoder

  523. - dejudder filter

  524. - Autodetect VDA like all other hardware accelerations

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

  526. 

  527. 

  528. version 2.1:

  529. 

  530. - aecho filter

  531. - perspective filter ported from libmpcodecs

  532. - ffprobe -show_programs option

  533. - compand filter

  534. - RTMP seek support

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

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

  537.   the -noaccurate_seek option.

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

  539.   data read from an input file

  540. - incomplete Voxware MetaSound decoder

  541. - read EXIF metadata from JPEG

  542. - DVB teletext decoder

  543. - phase filter ported from libmpcodecs

  544. - w3fdif filter

  545. - Opus support in Matroska

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

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

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

  549.   more consistent with other muxers.

  550. - adelay filter

  551. - pullup filter ported from libmpcodecs

  552. - ffprobe -read_intervals option

  553. - Lossless and alpha support for WebP decoder

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

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

  556. - mux chapters in ASF files

  557. - SFTP protocol (via libssh)

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

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

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

  561.   the skip_alpha flag.

  562. - ladspa wrapper filter

  563. - native VP9 decoder

  564. - dpx parser

  565. - max_error_rate parameter in ffmpeg

  566. - PulseAudio output device

  567. - ReplayGain scanner

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

  569. - Linux framebuffer output device

  570. - HEVC decoder

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

  572. - mergeplanes filter

  573. 

  574. 

  575. version 2.0:

  576. 

  577. - curves filter

  578. - reference-counting for AVFrame and AVPacket data

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

  580.   or vice versa

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

  582. - perms and aperms filters

  583. - audio filtering support in ffplay

  584. - 10% faster aac encoding on x86 and MIPS

  585. - sine audio filter source

  586. - WebP demuxing and decoding support

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

  588.   filtergraph description to be read from a file

  589. - OpenCL support

  590. - audio phaser filter

  591. - separatefields filter

  592. - libquvi demuxer

  593. - uniform options syntax across all filters

  594. - telecine filter

  595. - interlace filter

  596. - smptehdbars source

  597. - inverse telecine filters (fieldmatch and decimate)

  598. - colorbalance filter

  599. - colorchannelmixer filter

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

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

  602. - decent native animated GIF encoding

  603. - asetrate filter

  604. - interleave filter

  605. - timeline editing with filters

  606. - vidstabdetect and vidstabtransform filters for video stabilization using

  607.   the vid.stab library

  608. - astats filter

  609. - trim and atrim filters

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

  611.   transcoding audio

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

  613. - extractplanes filter

  614. - avectorscope filter

  615. - ADPCM DTK decoder

  616. - ADP demuxer

  617. - RSD demuxer

  618. - RedSpark demuxer

  619. - ADPCM IMA Radical decoder

  620. - zmq filters

  621. - DCT denoiser filter (dctdnoiz)

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

  623. - Apple Intermediate Codec decoder

  624. - Escape 130 video decoder

  625. - FTP protocol support

  626. - V4L2 output device

  627. - 3D LUT filter (lut3d)

  628. - SMPTE 302M audio encoder

  629. - support for slice multithreading in libavfilter

  630. - Hald CLUT support (generation and filtering)

  631. - VC-1 interlaced B-frame support

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

  633. - XVideo output device

  634. - vignette filter

  635. - True Audio (TTA) encoder

  636. - Go2Webinar decoder

  637. - mcdeint filter ported from libmpcodecs

  638. - sab filter ported from libmpcodecs

  639. - ffprobe -show_chapters option

  640. - WavPack encoding through libwavpack

  641. - rotate filter

  642. - spp filter ported from libmpcodecs

  643. - libgme support

  644. - psnr filter

  645. 

  646. 

  647. version 1.2:

  648. 

  649. - VDPAU hardware acceleration through normal hwaccel

  650. - SRTP support

  651. - Error diffusion dither in Swscale

  652. - Chained Ogg support

  653. - Theora Midstream reconfiguration support

  654. - EVRC decoder

  655. - audio fade filter

  656. - filtering audio with unknown channel layout

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

  658.   and treble audio filter

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

  660. - histogram filter

  661. - tee muxer

  662. - il filter ported from libmpcodecs

  663. - support ID3v2 tags in ASF files

  664. - encrypted TTA stream decoding support

  665. - RF64 support in WAV muxer

  666. - noise filter ported from libmpcodecs

  667. - Subtitles character encoding conversion

  668. - blend filter

  669. - stereo3d filter ported from libmpcodecs

  670. 

  671. 

  672. version 1.1:

  673. 

  674. - stream disposition information printing in ffprobe

  675. - filter for loudness analysis following EBU R128

  676. - Opus encoder using libopus

  677. - ffprobe -select_streams option

  678. - Pinnacle TARGA CineWave YUV16 decoder

  679. - TAK demuxer, decoder and parser

  680. - DTS-HD demuxer

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

  682. - FFM2 support

  683. - X-Face image encoder and decoder

  684. - 24-bit FLAC encoding

  685. - multi-channel ALAC encoding up to 7.1

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

  687. - subtitles raw text decoder

  688. - support for building DLLs using MSVC

  689. - LVF demuxer

  690. - ffescape tool

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

  692. - field filter ported from libmpcodecs

  693. - AVR demuxer

  694. - geq filter ported from libmpcodecs

  695. - remove ffserver daemon mode

  696. - AST muxer/demuxer

  697. - new expansion syntax for drawtext

  698. - BRender PIX image decoder

  699. - ffprobe -show_entries option

  700. - ffprobe -sections option

  701. - ADPCM IMA Dialogic decoder

  702. - BRSTM demuxer

  703. - animated GIF decoder and demuxer

  704. - PVF demuxer

  705. - subtitles filter

  706. - IRCAM muxer/demuxer

  707. - Paris Audio File demuxer

  708. - Virtual concatenation demuxer

  709. - VobSub demuxer

  710. - JSON captions for TED talks decoding support

  711. - SOX Resampler support in libswresample

  712. - aselect filter

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

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

  715. - Silicon Graphics Movie demuxer

  716. - apad filter

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

  718. - documentation split into per-component manuals

  719. - pp (postproc) filter ported from MPlayer

  720. - NIST Sphere demuxer

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

  722. - Sony Wave64 muxer

  723. - adobe and limelight publisher authentication in RTMP

  724. - data: URI scheme

  725. - support building on the Plan 9 operating system

  726. - kerndeint filter ported from MPlayer

  727. - histeq filter ported from VirtualDub

  728. - Megalux Frame demuxer

  729. - 012v decoder

  730. - Improved AVC Intra decoding support

  731. 

  732. 

  733. version 1.0:

  734. 

  735. - INI and flat output in ffprobe

  736. - Scene detection in libavfilter

  737. - Indeo Audio decoder

  738. - channelsplit audio filter

  739. - setnsamples audio filter

  740. - atempo filter

  741. - ffprobe -show_data option

  742. - RTMPT protocol support

  743. - iLBC encoding/decoding via libilbc

  744. - Microsoft Screen 1 decoder

  745. - join audio filter

  746. - audio channel mapping filter

  747. - Microsoft ATC Screen decoder

  748. - RTSP listen mode

  749. - TechSmith Screen Codec 2 decoder

  750. - AAC encoding via libfdk-aac

  751. - Microsoft Expression Encoder Screen decoder

  752. - RTMPS protocol support

  753. - RTMPTS protocol support

  754. - RTMPE protocol support

  755. - RTMPTE protocol support

  756. - showwaves and showspectrum filter

  757. - LucasArts SMUSH SANM playback support

  758. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  759. - LucasArts SMUSH demuxer

  760. - SAMI, RealText and SubViewer demuxers and decoders

  761. - Heart Of Darkness PAF playback support

  762. - iec61883 device

  763. - asettb filter

  764. - new option: -progress

  765. - 3GPP Timed Text encoder/decoder

  766. - GeoTIFF decoder support

  767. - ffmpeg -(no)stdin option

  768. - Opus decoder using libopus

  769. - caca output device using libcaca

  770. - alphaextract and alphamerge filters

  771. - concat filter

  772. - flite filter

  773. - Canopus Lossless Codec decoder

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

  775. - MP2 encoding via TwoLAME

  776. - bmp parser

  777. - smptebars source

  778. - asetpts filter

  779. - hue filter

  780. - ICO muxer

  781. - SubRip encoder and decoder without embedded timing

  782. - edge detection filter

  783. - framestep filter

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

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

  786. - volume measurement filter

  787. - Ut Video encoder

  788. - Microsoft Screen 2 decoder

  789. - smartblur filter ported from MPlayer

  790. - CPiA decoder

  791. - decimate filter ported from MPlayer

  792. - RTP depacketization of JPEG

  793. - Smooth Streaming live segmenter muxer

  794. - F4V muxer

  795. - sendcmd and asendcmd filters

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

  797. - RTP packetization of JPEG

  798. - faststart option in the MOV/MP4 muxer

  799. - support for building with MSVC

  800. 

  801. 

  802. version 0.11:

  803. 

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

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

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

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

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

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

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

  811. - setfield filter

  812. - CDXL demuxer and decoder

  813. - Apple ProRes encoder

  814. - ffprobe -count_packets and -count_frames options

  815. - Sun Rasterfile Encoder

  816. - ID3v2 attached pictures reading and writing

  817. - WMA Lossless decoder

  818. - bluray protocol

  819. - blackdetect filter

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

  821. - swapuv filter

  822. - bbox filter

  823. - XBM encoder and decoder

  824. - RealAudio Lossless decoder

  825. - ZeroCodec decoder

  826. - tile video filter

  827. - Metal Gear Solid: The Twin Snakes demuxer

  828. - OpenEXR image decoder

  829. - removelogo filter

  830. - drop support for ffmpeg without libavfilter

  831. - drawtext video filter: fontconfig support

  832. - ffmpeg -benchmark_all option

  833. - super2xsai filter ported from libmpcodecs

  834. - add libavresample audio conversion library for compatibility

  835. - MicroDVD decoder

  836. - Avid Meridien (AVUI) encoder and decoder

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

  838. - complete audio filtering in libavfilter and ffmpeg

  839. - add fps filter

  840. - vorbis parser

  841. - png parser

  842. - audio mix filter

  843. - ffv1: support (draft) version 1.3

  844. 

  845. 

  846. version 0.10:

  847. 

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

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

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

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

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

  853. - SBaGen (SBG) binaural beats script demuxer

  854. - OpenMG Audio muxer

  855. - Timecode extraction in DV and MOV

  856. - thumbnail video filter

  857. - XML output in ffprobe

  858. - asplit audio filter

  859. - tinterlace video filter

  860. - astreamsync audio filter

  861. - amerge audio filter

  862. - ISMV (Smooth Streaming) muxer

  863. - GSM audio parser

  864. - SMJPEG muxer

  865. - XWD encoder and decoder

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

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

  868. - ffprobe -show_error option

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

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

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

  872. - ffprobe -show_frames option

  873. - silencedetect audio filter

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

  875. - rv34: frame-level multi-threading

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

  877. - Improved PGS subtitle decoder

  878. - dumpgraph option to lavfi device

  879. - r210 and r10k encoders

  880. - ffwavesynth decoder

  881. - aviocat tool

  882. - ffeval tool

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

  884. 

  885. 

  886. version 0.9:

  887. 

  888. - openal input device added

  889. - boxblur filter added

  890. - BWF muxer

  891. - Flash Screen Video 2 decoder

  892. - lavfi input device added

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

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

  895. easier to use. The changes are:

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

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

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

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

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

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

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

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

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

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

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

  907.       specifiers section in the avconv manual for details.

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

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

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

  911.       apply to the next input or output file.

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

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

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

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

  916.       each stream in the first input file.

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

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

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

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

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

  922.           output stream from the third input audio stream.

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

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

  925.           subtitle streams in the first input file.

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

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

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

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

  930.           stream'.

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

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

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

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

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

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

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

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

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

  940.       syntax is deprecated and will stop working soon.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  956.       scale parameter.

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

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

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

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

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

  962. - XMV demuxer

  963. - LOAS demuxer

  964. - ashowinfo filter added

  965. - Windows Media Image decoder

  966. - amovie source added

  967. - LATM muxer/demuxer

  968. - Speex encoder via libspeex

  969. - JSON output in ffprobe

  970. - WTV muxer

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

  972. - H.264 Decoding on Android via Stagefright

  973. - Prores decoder

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

  975. - aconvert audio filter added

  976. - audio support to lavfi input device added

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

  978. - Apple ProRes decoder

  979. - CELT in Ogg demuxing

  980. - G.723.1 demuxer and decoder

  981. - libmodplug support (--enable-libmodplug)

  982. - VC-1 interlaced decoding

  983. - libutvideo wrapper (--enable-libutvideo)

  984. - aevalsrc audio source added

  985. - Ut Video decoder

  986. - Speex encoding via libspeex

  987. - 4:2:2 H.264 decoding support

  988. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  989. - Pulseaudio input device

  990. - Prores encoder

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

  992. - replacement Indeo 3 decoder

  993. - new ffmpeg option: -map_channel

  994. - volume audio filter added

  995. - earwax audio filter added

  996. - libv4l2 support (--enable-libv4l2)

  997. - TLS/SSL and HTTPS protocol support

  998. - AVOptions API rewritten and documented

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

  1000.   AVCodecContext deprecated. Codec private options should be used instead.

  1001. - Properly working defaults in libx264 wrapper, support for native presets.

  1002. - Encrypted OMA files support

  1003. - Discworld II BMV decoding support

  1004. - VBLE Decoder

  1005. - OS X Video Decoder Acceleration (VDA) support

  1006. - compact and csv output in ffprobe

  1007. - pan audio filter

  1008. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1009. - ass filter

  1010. - CRI ADX audio format muxer and demuxer

  1011. - Playstation Portable PMP format demuxer

  1012. - Microsoft Windows ICO demuxer

  1013. - life source

  1014. - PCM format support in OMA demuxer

  1015. - CLJR encoder

  1016. - new option: -report

  1017. - Dxtory capture format decoder

  1018. - cellauto source

  1019. - Simple segmenting muxer

  1020. - Indeo 4 decoder

  1021. - SMJPEG demuxer

  1022. 

  1023. 

  1024. version 0.8:

  1025. 

  1026. - many many things we forgot because we rather write code than changelogs

  1027. - WebM support in Matroska de/muxer

  1028. - low overhead Ogg muxing

  1029. - MMS-TCP support

  1030. - VP8 de/encoding via libvpx

  1031. - Demuxer for On2's IVF format

  1032. - Pictor/PC Paint decoder

  1033. - HE-AAC v2 decoder

  1034. - HE-AAC v2 encoding with libaacplus

  1035. - libfaad2 wrapper removed

  1036. - DTS-ES extension (XCh) decoding support

  1037. - native VP8 decoder

  1038. - RTSP tunneling over HTTP

  1039. - RTP depacketization of SVQ3

  1040. - -strict inofficial replaced by -strict unofficial

  1041. - ffplay -exitonkeydown and -exitonmousedown options added

  1042. - native GSM / GSM MS decoder

  1043. - RTP depacketization of QDM2

  1044. - ANSI/ASCII art playback system

  1045. - Lego Mindstorms RSO de/muxer

  1046. - libavcore added (and subsequently removed)

  1047. - SubRip subtitle file muxer and demuxer

  1048. - Chinese AVS encoding via libxavs

  1049. - ffprobe -show_packets option added

  1050. - RTP packetization of Theora and Vorbis

  1051. - RTP depacketization of MP4A-LATM

  1052. - RTP packetization and depacketization of VP8

  1053. - hflip filter

  1054. - Apple HTTP Live Streaming demuxer

  1055. - a64 codec

  1056. - MMS-HTTP support

  1057. - G.722 ADPCM audio encoder/decoder

  1058. - R10k video decoder

  1059. - ocv_smooth filter

  1060. - frei0r wrapper filter

  1061. - change crop filter syntax to width:height:x:y

  1062. - make the crop filter accept parametric expressions

  1063. - make ffprobe accept AVFormatContext options

  1064. - yadif filter

  1065. - blackframe filter

  1066. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1067. - RTP depacketization of the X-QT QuickTime format

  1068. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1069. - cropdetect filter

  1070. - ffmpeg -crop* options removed

  1071. - transpose filter added

  1072. - ffmpeg -force_key_frames option added

  1073. - demuxer for receiving raw rtp:// URLs without an SDP description

  1074. - single stream LATM/LOAS decoder

  1075. - setpts filter added

  1076. - Win64 support for optimized x86 assembly functions

  1077. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1078. - ASS subtitle encoder and decoder

  1079. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1080. - overlay filter added

  1081. - rename aspect filter to setdar, and pixelaspect to setsar

  1082. - IEC 61937 demuxer

  1083. - Mobotix .mxg demuxer

  1084. - frei0r source added

  1085. - hqdn3d filter added

  1086. - RTP depacketization of QCELP

  1087. - FLAC parser added

  1088. - gradfun filter added

  1089. - AMR-WB decoder

  1090. - replace the ocv_smooth filter with a more generic ocv filter

  1091. - Windows Televison (WTV) demuxer

  1092. - FFmpeg metadata format muxer and demuxer

  1093. - SubRip (srt) subtitle encoder and decoder

  1094. - floating-point AC-3 encoder added

  1095. - Lagarith decoder

  1096. - ffmpeg -copytb option added

  1097. - IVF muxer added

  1098. - Wing Commander IV movies decoder added

  1099. - movie source added

  1100. - Bink version 'b' audio and video decoder

  1101. - Bitmap Brothers JV playback system

  1102. - Apple HTTP Live Streaming protocol handler

  1103. - sndio support for playback and record

  1104. - Linux framebuffer input device added

  1105. - Chronomaster DFA decoder

  1106. - DPX image encoder

  1107. - MicroDVD subtitle file muxer and demuxer

  1108. - Playstation Portable PMP format demuxer

  1109. - fieldorder video filter added

  1110. - AAC encoding via libvo-aacenc

  1111. - AMR-WB encoding via libvo-amrwbenc

  1112. - xWMA demuxer

  1113. - Mobotix MxPEG decoder

  1114. - VP8 frame-multithreading

  1115. - NEON optimizations for VP8

  1116. - Lots of deprecated API cruft removed

  1117. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1118. - showinfo filter added

  1119. - SMPTE 302M AES3 audio decoder

  1120. - Apple Core Audio Format muxer

  1121. - 9 bits and 10 bits per sample support in the H.264 decoder

  1122. - 9 bits and 10 bits FFV1 encoding / decoding

  1123. - split filter added

  1124. - select filter added

  1125. - sdl output device added

  1126. - libmpcodecs video filter support (3 times as many filters than before)

  1127. - mpeg2 aspect ratio dection fixed

  1128. - libxvid aspect pickiness fixed

  1129. - Frame multithreaded decoding

  1130. - E-AC-3 audio encoder

  1131. - ac3enc: add channel coupling support

  1132. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1133. - H264/MPEG frame-level multi-threading

  1134. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1135. - 4:4:4 H.264 decoding support

  1136. - 10-bit H.264 optimizations for x86

  1137. - lut, lutrgb, and lutyuv filters added

  1138. - buffersink libavfilter sink added

  1139. - Bump libswscale for recently reported ABI break

  1140. - New J2K encoder (via OpenJPEG)

  1141. 

  1142. 

  1143. version 0.7:

  1144. 

  1145. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1146. 

  1147. 

  1148. version 0.6:

  1149. 

  1150. - PB-frame decoding for H.263

  1151. - deprecated vhook subsystem removed

  1152. - deprecated old scaler removed

  1153. - VQF demuxer

  1154. - Alpha channel scaler

  1155. - PCX encoder

  1156. - RTP packetization of H.263

  1157. - RTP packetization of AMR

  1158. - RTP depacketization of Vorbis

  1159. - CorePNG decoding support

  1160. - Cook multichannel decoding support

  1161. - introduced avlanguage helpers in libavformat

  1162. - 8088flex TMV demuxer and decoder

  1163. - per-stream language-tags extraction in asfdec

  1164. - V210 decoder and encoder

  1165. - remaining GPL parts in AC-3 decoder converted to LGPL

  1166. - QCP demuxer

  1167. - SoX native format muxer and demuxer

  1168. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1169. - DPX image decoder

  1170. - Electronic Arts Madcow decoder

  1171. - DivX (XSUB) subtitle encoder

  1172. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1173. - experimental AAC encoder

  1174. - RTP depacketization of ASF and RTSP from WMS servers

  1175. - RTMP support in libavformat

  1176. - noX handling for OPT_BOOL X options

  1177. - Wave64 demuxer

  1178. - IEC-61937 compatible Muxer

  1179. - TwinVQ decoder

  1180. - Bluray (PGS) subtitle decoder

  1181. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1182. - WMA Pro decoder

  1183. - Core Audio Format demuxer

  1184. - ATRAC1 decoder

  1185. - MD STUDIO audio demuxer

  1186. - RF64 support in WAV demuxer

  1187. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1188. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1189. - IV8 demuxer

  1190. - CDG demuxer and decoder

  1191. - R210 decoder

  1192. - Auravision Aura 1 and 2 decoders

  1193. - Deluxe Paint Animation playback system

  1194. - SIPR decoder

  1195. - Adobe Filmstrip muxer and demuxer

  1196. - RTP depacketization of H.263

  1197. - Bink demuxer and audio/video decoders

  1198. - enable symbol versioning by default for linkers that support it

  1199. - IFF PBM/ILBM bitmap decoder

  1200. - concat protocol

  1201. - Indeo 5 decoder

  1202. - RTP depacketization of AMR

  1203. - WMA Voice decoder

  1204. - ffprobe tool

  1205. - AMR-NB decoder

  1206. - RTSP muxer

  1207. - HE-AAC v1 decoder

  1208. - Kega Game Video (KGV1) decoder

  1209. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1210. - RTP depacketization of Theora

  1211. - HTTP Digest authentication

  1212. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1213. - Psygnosis YOP demuxer and video decoder

  1214. - spectral extension support in the E-AC-3 decoder

  1215. - unsharp video filter

  1216. - RTP hinting in the mov/3gp/mp4 muxer

  1217. - Dirac in Ogg demuxing

  1218. - seek to keyframes in Ogg

  1219. - 4:2:2 and 4:4:4 Theora decoding

  1220. - 35% faster VP3/Theora decoding

  1221. - faster AAC decoding

  1222. - faster H.264 decoding

  1223. - RealAudio 1.0 (14.4K) encoder

  1224. 

  1225. 

  1226. version 0.5:

  1227. 

  1228. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1229. - TechSmith Camtasia (TSCC) video decoder

  1230. - IBM Ultimotion (ULTI) video decoder

  1231. - Sierra Online audio file demuxer and decoder

  1232. - Apple QuickDraw (qdrw) video decoder

  1233. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1234. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1235. - Miro VideoXL (VIXL) video decoder

  1236. - H.261 video encoder

  1237. - QPEG video decoder

  1238. - Nullsoft Video (NSV) file demuxer

  1239. - Shorten audio decoder

  1240. - LOCO video decoder

  1241. - Apple Lossless Audio Codec (ALAC) decoder

  1242. - Winnov WNV1 video decoder

  1243. - Autodesk Animator Studio Codec (AASC) decoder

  1244. - Indeo 2 video decoder

  1245. - Fraps FPS1 video decoder

  1246. - Snow video encoder/decoder

  1247. - Sonic audio encoder/decoder

  1248. - Vorbis audio decoder

  1249. - Macromedia ADPCM decoder

  1250. - Duck TrueMotion 2 video decoder

  1251. - support for decoding FLX and DTA extensions in FLIC files

  1252. - H.264 custom quantization matrices support

  1253. - ffserver fixed, it should now be usable again

  1254. - QDM2 audio decoder

  1255. - Real Cooker audio decoder

  1256. - TrueSpeech audio decoder

  1257. - WMA2 audio decoder fixed, now all files should play correctly

  1258. - RealAudio 14.4 and 28.8 decoders fixed

  1259. - JPEG-LS decoder

  1260. - build system improvements

  1261. - tabs and trailing whitespace removed from the codebase

  1262. - CamStudio video decoder

  1263. - AIFF/AIFF-C audio format, encoding and decoding

  1264. - ADTS AAC file reading and writing

  1265. - Creative VOC file reading and writing

  1266. - American Laser Games multimedia (*.mm) playback system

  1267. - Zip Motion Blocks Video decoder

  1268. - improved Theora/VP3 decoder

  1269. - True Audio (TTA) decoder

  1270. - AVS demuxer and video decoder

  1271. - JPEG-LS encoder

  1272. - Smacker demuxer and decoder

  1273. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1274. - KMVC decoder

  1275. - MPEG-2 intra VLC support

  1276. - MPEG-2 4:2:2 encoder

  1277. - Flash Screen Video decoder

  1278. - GXF demuxer

  1279. - Chinese AVS decoder

  1280. - GXF muxer

  1281. - MXF demuxer

  1282. - VC-1/WMV3/WMV9 video decoder

  1283. - MacIntel support

  1284. - AviSynth support

  1285. - VMware video decoder

  1286. - VP5 video decoder

  1287. - VP6 video decoder

  1288. - WavPack lossless audio decoder

  1289. - Targa (.TGA) picture decoder

  1290. - Vorbis audio encoder

  1291. - Delphine Software .cin demuxer/audio and video decoder

  1292. - Tiertex .seq demuxer/video decoder

  1293. - MTV demuxer

  1294. - TIFF picture encoder and decoder

  1295. - GIF picture decoder

  1296. - Intel Music Coder decoder

  1297. - Zip Motion Blocks Video encoder

  1298. - Musepack decoder

  1299. - Flash Screen Video encoder

  1300. - Theora encoding via libtheora

  1301. - BMP encoder

  1302. - WMA encoder

  1303. - GSM-MS encoder and decoder

  1304. - DCA decoder

  1305. - DXA demuxer and decoder

  1306. - DNxHD decoder

  1307. - Gamecube movie (.THP) playback system

  1308. - Blackfin optimizations

  1309. - Interplay C93 demuxer and video decoder

  1310. - Bethsoft VID demuxer and video decoder

  1311. - CRYO APC demuxer

  1312. - ATRAC3 decoder

  1313. - V.Flash PTX decoder

  1314. - RoQ muxer, RoQ audio encoder

  1315. - Renderware TXD demuxer and decoder

  1316. - extern C declarations for C++ removed from headers

  1317. - sws_flags command line option

  1318. - codebook generator

  1319. - RoQ video encoder

  1320. - QTRLE encoder

  1321. - OS/2 support removed and restored again

  1322. - AC-3 decoder

  1323. - NUT muxer

  1324. - additional SPARC (VIS) optimizations

  1325. - Matroska muxer

  1326. - slice-based parallel H.264 decoding

  1327. - Monkey's Audio demuxer and decoder

  1328. - AMV audio and video decoder

  1329. - DNxHD encoder

  1330. - H.264 PAFF decoding

  1331. - Nellymoser ASAO decoder

  1332. - Beam Software SIFF demuxer and decoder

  1333. - libvorbis Vorbis decoding removed in favor of native decoder

  1334. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1335. - Ogg (Theora, Vorbis and FLAC) muxer

  1336. - The "device" muxers and demuxers are now in a new libavdevice library

  1337. - PC Paintbrush PCX decoder

  1338. - Sun Rasterfile decoder

  1339. - TechnoTrend PVA demuxer

  1340. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1341. - AVM2 (Flash 9) SWF muxer

  1342. - QT variant of IMA ADPCM encoder

  1343. - VFW grabber

  1344. - iPod/iPhone compatible mp4 muxer

  1345. - Mimic decoder

  1346. - MSN TCP Webcam stream demuxer

  1347. - RL2 demuxer / decoder

  1348. - IFF demuxer

  1349. - 8SVX audio decoder

  1350. - non-recursive Makefiles

  1351. - BFI demuxer

  1352. - MAXIS EA XA (.xa) demuxer / decoder

  1353. - BFI video decoder

  1354. - OMA demuxer

  1355. - MLP/TrueHD decoder

  1356. - Electronic Arts CMV decoder

  1357. - Motion Pixels Video decoder

  1358. - Motion Pixels MVI demuxer

  1359. - removed animated GIF decoder/demuxer

  1360. - D-Cinema audio muxer

  1361. - Electronic Arts TGV decoder

  1362. - Apple Lossless Audio Codec (ALAC) encoder

  1363. - AAC decoder

  1364. - floating point PCM encoder/decoder

  1365. - MXF muxer

  1366. - DV100 AKA DVCPRO HD decoder and demuxer

  1367. - E-AC-3 support added to AC-3 decoder

  1368. - Nellymoser ASAO encoder

  1369. - ASS and SSA demuxer and muxer

  1370. - liba52 wrapper removed

  1371. - SVQ3 watermark decoding support

  1372. - Speex decoding via libspeex

  1373. - Electronic Arts TGQ decoder

  1374. - RV40 decoder

  1375. - QCELP / PureVoice decoder

  1376. - RV30 decoder

  1377. - hybrid WavPack support

  1378. - R3D REDCODE demuxer

  1379. - ALSA support for playback and record

  1380. - Electronic Arts TQI decoder

  1381. - OpenJPEG based JPEG 2000 decoder

  1382. - NC (NC4600) camera file demuxer

  1383. - Gopher client support

  1384. - MXF D-10 muxer

  1385. - generic metadata API

  1386. - flash ScreenVideo2 encoder

  1387. 

  1388. 

  1389. version 0.4.9-pre1:

  1390. 

  1391. - DV encoder, DV muxer

  1392. - Microsoft RLE video decoder

  1393. - Microsoft Video-1 decoder

  1394. - Apple Animation (RLE) decoder

  1395. - Apple Graphics (SMC) decoder

  1396. - Apple Video (RPZA) decoder

  1397. - Cinepak decoder

  1398. - Sega FILM (CPK) file demuxer

  1399. - Westwood multimedia support (VQA & AUD files)

  1400. - Id Quake II CIN playback support

  1401. - 8BPS video decoder

  1402. - FLIC playback support

  1403. - RealVideo 2.0 (RV20) decoder

  1404. - Duck TrueMotion v1 (DUCK) video decoder

  1405. - Sierra VMD demuxer and video decoder

  1406. - MSZH and ZLIB decoder support

  1407. - SVQ1 video encoder

  1408. - AMR-WB support

  1409. - PPC optimizations

  1410. - rate distortion optimal cbp support

  1411. - rate distorted optimal ac prediction for MPEG-4

  1412. - rate distorted optimal lambda->qp support

  1413. - AAC encoding with libfaac

  1414. - Sunplus JPEG codec (SP5X) support

  1415. - use Lagrange multiplier instead of QP for ratecontrol

  1416. - Theora/VP3 decoding support

  1417. - XA and ADX ADPCM codecs

  1418. - export MPEG-2 active display area / pan scan

  1419. - Add support for configuring with IBM XLC

  1420. - floating point AAN DCT

  1421. - initial support for zygo video (not complete)

  1422. - RGB ffv1 support

  1423. - new audio/video parser API

  1424. - av_log() system

  1425. - av_read_frame() and av_seek_frame() support

  1426. - missing last frame fixes

  1427. - seek by mouse in ffplay

  1428. - noise reduction of DCT coefficients

  1429. - H.263 OBMC & 4MV support

  1430. - H.263 alternative inter vlc support

  1431. - H.263 loop filter

  1432. - H.263 slice structured mode

  1433. - interlaced DCT support for MPEG-2 encoding

  1434. - stuffing to stay above min_bitrate

  1435. - MB type & QP visualization

  1436. - frame stepping for ffplay

  1437. - interlaced motion estimation

  1438. - alternate scantable support

  1439. - SVCD scan offset support

  1440. - closed GOP support

  1441. - SSE2 FDCT

  1442. - quantizer noise shaping

  1443. - G.726 ADPCM audio codec

  1444. - MS ADPCM encoding

  1445. - multithreaded/SMP motion estimation

  1446. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1447. - multithreaded/SMP decoding for MPEG-2

  1448. - FLAC decoder

  1449. - Metrowerks CodeWarrior suppport

  1450. - H.263+ custom pcf support

  1451. - nicer output for 'ffmpeg -formats'

  1452. - Matroska demuxer

  1453. - SGI image format, encoding and decoding

  1454. - H.264 loop filter support

  1455. - H.264 CABAC support

  1456. - nicer looking arrows for the motion vector visualization

  1457. - improved VCD support

  1458. - audio timestamp drift compensation

  1459. - MPEG-2 YUV 422/444 support

  1460. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1461. - better image scaling

  1462. - H.261 support

  1463. - correctly interleave packets during encoding

  1464. - VIS optimized motion compensation

  1465. - intra_dc_precision>0 encoding support

  1466. - support reuse of motion vectors/MB types/field select values of the source video

  1467. - more accurate deblock filter

  1468. - padding support

  1469. - many optimizations and bugfixes

  1470. - FunCom ISS audio file demuxer and according ADPCM decoding

  1471. 

  1472. 

  1473. version 0.4.8:

  1474. 

  1475. - MPEG-2 video encoding (Michael)

  1476. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1477. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1478.   and Mario Brito)

  1479. - Xan DPCM audio decoder (Mario Brito)

  1480. - Interplay MVE playback subsystem (Mike Melanson)

  1481. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1482. 

  1483. 

  1484. version 0.4.7:

  1485. 

  1486. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1487.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1488. - current version now also compiles with older GCC (Fabrice)

  1489. - 4X multimedia playback system including 4xm file demuxer (Mike

  1490.   Melanson), and 4X video and audio codecs (Michael)

  1491. - Creative YUV (CYUV) decoder (Mike Melanson)

  1492. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1493.   than HuffYUV) (Michael)

  1494. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1495. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1496.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1497. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1498.   for multiplatform support (Fabrice)

  1499. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1500.   by anonymous

  1501. - AMR format has been added (Johannes Carlsson)

  1502. - 3GP support has been added (Johannes Carlsson)

  1503. - VP3 codec has been added (Mike Melanson)

  1504. - more MPEG-1/2 fixes

  1505. - better multiplatform support, MS Visual Studio fixes (various)

  1506. - AltiVec optimizations (Magnus Damn and others)

  1507. - SH4 processor support has been added (BERO)

  1508. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1509. - VOB streaming support (Brian Foley)

  1510. - better MP3 autodetection (Andriy Rysin)

  1511. - qpel encoding (Michael)

  1512. - 4mv+b frames encoding finally fixed (Michael)

  1513. - chroma ME (Michael)

  1514. - 5 comparison functions for ME (Michael)

  1515. - B-frame encoding speedup (Michael)

  1516. - WMV2 codec (unfinished - Michael)

  1517. - user specified diamond size for EPZS (Michael)

  1518. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1519. - ASV2 codec (Michael)

  1520. - CLJR decoder (Alex)

  1521. 

  1522. .. And lots more new enhancements and fixes.

  1523. 

  1524. 

  1525. version 0.4.6:

  1526. 

  1527. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1528.   from scratch

  1529. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1530. - fix quantization bug in AC3 encoder

  1531. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1532. - added prototype ffplay program

  1533. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1534. - bug fix on MCBPC tables of H.263 (Juanjo)

  1535. - bug fix on DC coefficients of H.263 (Juanjo)

  1536. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

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

  1538. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1539. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1540. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1541. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1542. - added first regression tests

  1543. - added MPEG-2 TS demuxer

  1544. - new demux API for libav

  1545. - more accurate and faster IDCT (Michael)

  1546. - faster and entropy-controlled motion search (Michael)

  1547. - two pass video encoding (Michael)

  1548. - new video rate control (Michael)

  1549. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1550. - great performance improvement of video encoders and decoders (Michael)

  1551. - new and faster bit readers and vlc parsers (Michael)

  1552. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1553. - added DV video decoder

  1554. - preliminary RTP/RTSP support in ffserver and libavformat

  1555. - H.263+ AIC decoding/encoding support (Juanjo)

  1556. - VCD MPEG-PS mode (Juanjo)

  1557. - PSNR stuff (Juanjo)

  1558. - simple stats output (Juanjo)

  1559. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1560. 

  1561. 

  1562. version 0.4.5:

  1563. 

  1564. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1565. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1566. - added configure system (actually a small shell script)

  1567. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1568.   Michael Hipp (temporary solution - waiting for integer only

  1569.   decoder)

  1570. - fixed VIDIOCSYNC interrupt

  1571. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1572. - added Real Video 1.0 decoding (needs further testing)

  1573. - simplified image formats again. Added PGM format (=grey

  1574.   pgm). Renamed old PGM to PGMYUV.

  1575. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1576. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1577. - added support for MPlayer interface

  1578. - added macroblock skip optimization

  1579. - added MJPEG decoder

  1580. - added mmx/mmxext IDCT from libmpeg2

  1581. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1582.   <celer at shell.scrypt.net>)

  1583. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1584. - added deinterlacing option

  1585. - MPEG-1/2 fixes

  1586. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1587. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1588. - Windows porting of file converter

  1589. - added MJPEG raw format (input/output)

  1590. - added JPEG image format support (input/output)

  1591. 

  1592. 

  1593. version 0.4.4:

  1594. 

  1595. - fixed some std header definitions (Bjorn Lindgren

  1596.   <bjorn.e.lindgren at telia.com>).

  1597. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1598. - added ASF demuxer

  1599. - added prototype RM demuxer

  1600. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1601. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1602.   header does not include them)

  1603. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1604.   play them (only tested video)

  1605. - fixed H.263 white bug

  1606. - fixed phase rounding in img resample filter

  1607. - add MMX code for polyphase img resample filter

  1608. - added CPU autodetection

  1609. - added generic title/author/copyright/comment string handling (ASF and RM

  1610.   use them)

  1611. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1612.   decoder)

  1613. - added fractional frame rate support

  1614. - codecs are no longer searched by read_header() (should fix ffserver

  1615.   segfault)

  1616. 

  1617. 

  1618. version 0.4.3:

  1619. 

  1620. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1621. - fixed raw yuv output

  1622. - added motion rounding support in MPEG-4

  1623. - fixed motion bug rounding in MSMPEG4

  1624. - added B-frame handling in video core

  1625. - added full MPEG-1 decoding support

  1626. - added partial (frame only) MPEG-2 support

  1627. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1628.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1629.   this +codec ;) (JuanJo).

  1630. - Halfpel motion estimation after MB type selection (JuanJo)

  1631. - added pgm and .Y.U.V output format

  1632. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1633.   output.

  1634. - added pgmpipe I/O format (original patch from Martin Aumueller

  1635.   <lists at reserv.at>, but changed completely since we use a format

  1636.   instead of a protocol)

  1637. 

  1638. 

  1639. version 0.4.2:

  1640. 

  1641. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1642.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1643.   missing. MSMPEG4 support is complete.

  1644. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1645.   can decode ffmpeg MPEGs :-)).

  1646. - added libavcodec API documentation (see apiexample.c).

  1647. - fixed image polyphase bug (the bottom of some images could be

  1648.   greenish)

  1649. - added support for non clipped motion vectors (decoding only)

  1650.   and image sizes non-multiple of 16

  1651. - added support for AC prediction (decoding only)

  1652. - added file overwrite confirmation (can be disabled with -y)

  1653. - added custom size picture to H.263 using H.263+ (Juanjo)

  1654. 

  1655. 

  1656. version 0.4.1:

  1657. 

  1658. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1659.   of AVI and ASF to DIV3.

  1660. - added -me option to set motion estimation method

  1661.   (default=log). suppressed redundant -hq option.

  1662. - added options -acodec and -vcodec to force a given codec (useful for

  1663.   AVI for example)

  1664. - fixed -an option

  1665. - improved dct_quantize speed

  1666. - factorized some motion estimation code

  1667. 

  1668. 

  1669. version 0.4.0:

  1670. 

  1671. - removing grab code from ffserver and moved it to ffmpeg. Added

  1672.   multistream support to ffmpeg.

  1673. - added timeshifting support for live feeds (option ?date=xxx in the

  1674.   URL)

  1675. - added high quality image resize code with polyphase filter (need

  1676.   mmx/see optimization). Enable multiple image size support in ffserver.

  1677. - added multi live feed support in ffserver

  1678. - suppressed master feature from ffserver (it should be done with an

  1679.   external program which opens the .ffm url and writes it to another

  1680.   ffserver)

  1681. - added preliminary support for video stream parsing (WAV and AVI half

  1682.   done). Added proper support for audio/video file conversion in

  1683.   ffmpeg.

  1684. - added preliminary support for video file sending from ffserver

  1685. - redesigning I/O subsystem: now using URL based input and output

  1686.   (see avio.h)

  1687. - added WAV format support

  1688. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1689. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1690.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1691. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1692. - added new motion estimation algorithms, log and phods (Juanjo)

  1693. - changed directories: libav for format handling, libavcodec for

  1694.   codecs

  1695. 

  1696. 

  1697. version 0.3.4:

  1698. 

  1699. - added stereo in MPEG audio encoder

  1700. 

  1701. 

  1702. version 0.3.3:

  1703. 

  1704. - added 'high quality' mode which use motion vectors. It can be used in

  1705.   real time at low resolution.

  1706. - fixed rounding problems which caused quality problems at high

  1707.   bitrates and large GOP size

  1708. 

  1709. 

  1710. version 0.3.2: small fixes

  1711. 

  1712. - ASF fixes

  1713. - put_seek bug fix

  1714. 

  1715. 

  1716. version 0.3.1: added avi/divx support

  1717. 

  1718. - added AVI support

  1719. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1720. - added sound for flash format (not tested)

  1721. 

  1722. 

  1723. version 0.3: initial public release