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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. - AudioToolbox output device

  6. - MacCaption demuxer

  7. - PGX decoder

  8. - chromanr video filter

  9. - VDPAU accelerated HEVC 10/12bit decoding

  10. - ADPCM IMA Ubisoft APM encoder

  11. - Rayman 2 APM muxer

  12. - AV1 encoding support SVT-AV1

  13. - Cineform HD encoder

  14. - ADPCM Argonaut Games encoder

  15. - Argonaut Games ASF muxer

  16. - AV1 Low overhead bitstream format demuxer

  17. - RPZA video encoder

  18. - ADPCM IMA MOFLEX decoder

  19. - MobiClip FastAudio decoder

  20. - MobiClip video decoder

  21. - MOFLEX demuxer

  22. - MODS demuxer

  23. - PhotoCD decoder

  24. - MCA demuxer

  25. - AV1 decoder (Hardware acceleration used only)

  26. - SVS demuxer

  27. - Argonaut Games BRP demuxer

  28. - DAT demuxer

  29. - aax demuxer

  30. - IPU decoder, parser and demuxer

  31. - Intel QSV-accelerated AV1 decoding

  32. - Argonaut Games Video decoder

  33. - libwavpack encoder removed

  34. - ACE demuxer

  35. - AVS3 demuxer

  36. - AVS3 video decoder via libuavs3d

  37. - Cintel RAW decoder

  38. - VDPAU accelerated VP9 10/12bit decoding

  39. - afreqshift and aphaseshift filters

  40. - High Voltage Software ADPCM encoder

  41. - LEGO Racers ALP (.tun & .pcm) muxer

  42. - AV1 VAAPI decoder

  43. - adenorm filter

  44. - ADPCM IMA AMV encoder

  45. - AMV muxer

  46. - NVDEC AV1 hwaccel

  47. - DXVA2/D3D11VA hardware accelerated AV1 decoding

  48. - speechnorm filter

  49. - SpeedHQ encoder

  50. 

  51. 

  52. version 4.3:

  53. - v360 filter

  54. - Intel QSV-accelerated MJPEG decoding

  55. - Intel QSV-accelerated VP9 decoding

  56. - Support for TrueHD in mp4

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

  58. - IMM5 video decoder

  59. - ZeroMQ protocol

  60. - support Sipro ACELP.KELVIN decoding

  61. - streamhash muxer

  62. - sierpinski video source

  63. - scroll video filter

  64. - photosensitivity filter

  65. - anlms filter

  66. - arnndn filter

  67. - bilateral filter

  68. - maskedmin and maskedmax filters

  69. - VDPAU VP9 hwaccel

  70. - median filter

  71. - QSV-accelerated VP9 encoding

  72. - AV1 encoding support via librav1e

  73. - AV1 frame merge bitstream filter

  74. - AV1 Annex B demuxer

  75. - axcorrelate filter

  76. - mvdv decoder

  77. - mvha decoder

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

  79. - thistogram filter

  80. - freezeframes filter

  81. - Argonaut Games ADPCM decoder

  82. - Argonaut Games ASF demuxer

  83. - xfade video filter

  84. - xfade_opencl filter

  85. - afirsrc audio filter source

  86. - pad_opencl filter

  87. - Simon & Schuster Interactive ADPCM decoder

  88. - Real War KVAG demuxer

  89. - CDToons video decoder

  90. - siren audio decoder

  91. - Rayman 2 ADPCM decoder

  92. - Rayman 2 APM demuxer

  93. - cas video filter

  94. - High Voltage Software ADPCM decoder

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

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

  97. - Vulkan support

  98. - avgblur_vulkan, overlay_vulkan, scale_vulkan and chromaber_vulkan filters

  99. - ADPCM IMA MTF decoder

  100. - FWSE demuxer

  101. - DERF DPCM decoder

  102. - DERF demuxer

  103. - CRI HCA decoder

  104. - CRI HCA demuxer

  105. - overlay_cuda filter

  106. - switch from AvxSynth to AviSynth+ on Linux

  107. - mv30 decoder

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

  109. - WebP parser

  110. - tmedian filter

  111. - maskedthreshold filter

  112. - Support for muxing pcm and pgs in m2ts

  113. - Cunning Developments ADPCM decoder

  114. - asubboost filter

  115. - Pro Pinball Series Soundbank demuxer

  116. - pcm_rechunk bitstream filter

  117. - scdet filter

  118. - NotchLC decoder

  119. - gradients source video filter

  120. - MediaFoundation encoder wrapper

  121. - untile filter

  122. - Simon & Schuster Interactive ADPCM encoder

  123. - PFM decoder

  124. - dblur video filter

  125. - Real War KVAG muxer

  126. 

  127. 

  128. version 4.2:

  129. - tpad filter

  130. - AV1 decoding support through libdav1d

  131. - dedot filter

  132. - chromashift and rgbashift filters

  133. - freezedetect filter

  134. - truehd_core bitstream filter

  135. - dhav demuxer

  136. - PCM-DVD encoder

  137. - GIF parser

  138. - vividas demuxer

  139. - hymt decoder

  140. - anlmdn filter

  141. - maskfun filter

  142. - hcom demuxer and decoder

  143. - ARBC decoder

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

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

  146. - removed libndi-newtek

  147. - agm decoder

  148. - KUX demuxer

  149. - AV1 frame split bitstream filter

  150. - lscr decoder

  151. - lagfun filter

  152. - asoftclip filter

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

  154. - colorhold filter

  155. - xmedian filter

  156. - asr filter

  157. - showspatial multimedia filter

  158. - VP4 video decoder

  159. - IFV demuxer

  160. - derain filter

  161. - deesser filter

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

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

  164. 

  165. 

  166. version 4.1:

  167. - deblock filter

  168. - tmix filter

  169. - amplify filter

  170. - fftdnoiz filter

  171. - aderivative and aintegral audio filters

  172. - pal75bars and pal100bars video filter sources

  173. - support mbedTLS based TLS

  174. - adeclick filter

  175. - adeclip filter

  176. - libtensorflow backend for DNN based filters like srcnn

  177. - vc1 decoder is now bit-exact

  178. - ATRAC9 decoder

  179. - lensfun wrapper filter

  180. - colorconstancy filter

  181. - AVS2 video decoder via libdavs2

  182. - IMM4 video decoder

  183. - Brooktree ProSumer video decoder

  184. - MatchWare Screen Capture Codec decoder

  185. - WinCam Motion Video decoder

  186. - 1D LUT filter (lut1d)

  187. - RemotelyAnywhere Screen Capture decoder

  188. - cue and acue filters

  189. - support for AV1 in MP4

  190. - transpose_npp filter

  191. - AVS2 video encoder via libxavs2

  192. - amultiply filter

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

  194. - acrossover filter

  195. - ilbc decoder

  196. - audio denoiser as afftdn filter

  197. - AV1 parser

  198. - SER demuxer

  199. - sinc audio filter source

  200. - chromahold filter

  201. - setparams filter

  202. - vibrance filter

  203. - decoding S12M timecode in h264

  204. - xstack filter

  205. - pcm vidc decoder and encoder

  206. - (a)graphmonitor filter

  207. - yadif_cuda filter

  208. 

  209. 

  210. version 4.0:

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

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

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

  214. - VDA dropped (use VideoToolbox instead)

  215. - MagicYUV encoder

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

  217. - TiVo ty/ty+ demuxer

  218. - Intel QSV-accelerated MJPEG encoding

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

  220. - native aptX and aptX HD encoder and decoder

  221. - Raw aptX and aptX HD muxer and demuxer

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

  223. - Intel QSV-accelerated overlay filter

  224. - mcompand audio filter

  225. - acontrast audio filter

  226. - OpenCL overlay filter

  227. - video mix filter

  228. - video normalize filter

  229. - audio lv2 wrapper filter

  230. - VAAPI MJPEG and VP8 decoding

  231. - AMD AMF H.264 and HEVC encoders

  232. - video fillborders filter

  233. - video setrange filter

  234. - nsp demuxer

  235. - support LibreSSL (via libtls)

  236. - AVX-512/ZMM support added

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

  238.   version is Windows Vista.

  239. - deconvolve video filter

  240. - entropy video filter

  241. - hilbert audio filter source

  242. - aiir audio filter

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

  244. - Removed the ffserver program

  245. - Removed the ffmenc and ffmdec muxer and demuxer

  246. - VideoToolbox HEVC encoder and hwaccel

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

  248. - Add android_camera indev

  249. - codec2 en/decoding via libcodec2

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

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

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

  253. - native SBC encoder and decoder

  254. - drmeter audio filter

  255. - hapqa_extract bitstream filter

  256. - filter_units bitstream filter

  257. - AV1 Support through libaom

  258. - E-AC-3 dependent frames support

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

  260. - Haivision SRT protocol via libsrt

  261. - segafilm muxer

  262. - vfrdet filter

  263. - SRCNN filter

  264. 

  265. 

  266. version 3.4:

  267. - deflicker video filter

  268. - doubleweave video filter

  269. - lumakey video filter

  270. - pixscope video filter

  271. - oscilloscope video filter

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

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

  274. - afir audio filter

  275. - scale_cuda CUDA based video scale filter

  276. - librsvg support for svg rasterization

  277. - crossfeed audio filter

  278. - spec compliant VP9 muxing support in MP4

  279. - remove the libnut muxer/demuxer wrappers

  280. - remove the libschroedinger encoder/decoder wrappers

  281. - surround audio filter

  282. - sofalizer filter switched to libmysofa

  283. - Gremlin Digital Video demuxer and decoder

  284. - headphone audio filter

  285. - superequalizer audio filter

  286. - roberts video filter

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

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

  289. - additional frame format support for Interplay MVE movies

  290. - support for decoding through D3D11VA in ffmpeg

  291. - limiter video filter

  292. - libvmaf video filter

  293. - Dolby E decoder and SMPTE 337M demuxer

  294. - unpremultiply video filter

  295. - tlut2 video filter

  296. - floodfill video filter

  297. - pseudocolor video filter

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

  299. - NewTek NDI input/output device

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

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

  302.   They must always be used by name.

  303. - FITS demuxer and decoder

  304. - FITS muxer and encoder

  305. - add --disable-autodetect build switch

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

  307. - despill video filter

  308. - haas audio filter

  309. - SUP/PGS subtitle muxer

  310. - convolve video filter

  311. - VP9 tile threading support

  312. - KMS screen grabber

  313. - CUDA thumbnail filter

  314. - V4L2 mem2mem HW assisted codecs

  315. - Rockchip MPP hardware decoding

  316. - vmafmotion video filter

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

  318. 

  319. 

  320. version 3.3:

  321. - CrystalHD decoder moved to new decode API

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

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

  324. - premultiply video filter

  325. - Support for spherical videos

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

  327. - PSD Decoder

  328. - 16.8 floating point pcm decoder

  329. - 24.0 floating point pcm decoder

  330. - Apple Pixlet decoder

  331. - QDMC audio decoder

  332. - NewTek SpeedHQ decoder

  333. - MIDI Sample Dump Standard demuxer

  334. - readeia608 filter

  335. - Sample Dump eXchange demuxer

  336. - abitscope multimedia filter

  337. - Scenarist Closed Captions demuxer and muxer

  338. - threshold filter

  339. - midequalizer filter

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

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

  342. - FM Screen Capture Codec decoder

  343. - native Opus encoder

  344. - ScreenPressor decoder

  345. - incomplete ClearVideo decoder

  346. - Intel QSV video scaling and deinterlacing filters

  347. - Support MOV with multiple sample description tables

  348. - XPM decoder

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

  350. - MPEG-7 Video Signature filter

  351. - Removed asyncts filter (use af_aresample instead)

  352. - Intel QSV-accelerated VP8 video decoding

  353. - VAAPI-accelerated deinterlacing

  354. 

  355. 

  356. version 3.2:

  357. - libopenmpt demuxer

  358. - tee protocol

  359. - Changed metadata print option to accept general urls

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

  361. - VP8 in Ogg muxing

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

  363. - 16-bit support in curves filter and selectivecolor filter

  364. - OpenH264 decoder wrapper

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

  366. - True Audio (TTA) muxer

  367. - crystalizer audio filter

  368. - acrusher audio filter

  369. - bitplanenoise video filter

  370. - floating point support in als decoder

  371. - fifo muxer

  372. - maskedclamp filter

  373. - hysteresis filter

  374. - lut2 filter

  375. - yuvtestsrc filter

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

  377. - vaguedenoiser filter

  378. - added threads option per filter instance

  379. - weave filter

  380. - gblur filter

  381. - avgblur filter

  382. - sobel and prewitt filter

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

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

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

  386. - sdl2 output device and ffplay support

  387. - sdl1 output device and sdl1 support removed

  388. - extended mov edit list support

  389. - libfaac encoder removed

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

  391. - sidedata video and asidedata audio filter

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

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

  394. 

  395. 

  396. version 3.1:

  397. - DXVA2-accelerated HEVC Main10 decoding

  398. - fieldhint filter

  399. - loop video filter and aloop audio filter

  400. - Bob Weaver deinterlacing filter

  401. - firequalizer filter

  402. - datascope filter

  403. - bench and abench filters

  404. - ciescope filter

  405. - protocol blacklisting API

  406. - MediaCodec H264 decoding

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

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

  409. - AudioToolbox audio decoders

  410. - AudioToolbox audio encoders

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

  412. - libdcadec removed

  413. - bitstream filter for extracting DTS core

  414. - ADPCM IMA DAT4 decoder

  415. - musx demuxer

  416. - aix demuxer

  417. - remap filter

  418. - hash and framehash muxers

  419. - colorspace filter

  420. - hdcd filter

  421. - readvitc filter

  422. - VAAPI-accelerated format conversion and scaling

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

  424. - Duck TrueMotion 2.0 Real Time decoder

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

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

  427. - DTS Express (LBR) decoder

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

  429. - IFF ANIM demuxer & decoder

  430. - Direct Stream Transfer (DST) decoder

  431. - loudnorm filter

  432. - MTAF demuxer and decoder

  433. - MagicYUV decoder

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

  435. - BitJazz SheerVideo decoder

  436. - CUDA CUVID H264/HEVC decoder

  437. - 10-bit depth support in native utvideo decoder

  438. - libutvideo wrapper removed

  439. - YUY2 Lossless Codec decoder

  440. - VideoToolbox H.264 encoder

  441. 

  442. 

  443. version 3.0:

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

  445. - DXV decoding

  446. - extrastereo filter

  447. - ocr filter

  448. - alimiter filter

  449. - stereowiden filter

  450. - stereotools filter

  451. - rubberband filter

  452. - tremolo filter

  453. - agate filter

  454. - chromakey filter

  455. - maskedmerge filter

  456. - Screenpresso SPV1 decoding

  457. - chromaprint fingerprinting muxer

  458. - ffplay dynamic volume control

  459. - displace filter

  460. - selectivecolor filter

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

  462. - ADPCM PSX decoder

  463. - 3dostr, dcstr, fsb, genh, vag, xvag, ads, msf, svag & vpk demuxer

  464. - zscale filter

  465. - wve demuxer

  466. - zero-copy Intel QSV transcoding in ffmpeg

  467. - shuffleframes filter

  468. - SDX2 DPCM decoder

  469. - vibrato filter

  470. - innoHeim/Rsupport Screen Capture Codec decoder

  471. - ADPCM AICA decoder

  472. - Interplay ACM demuxer and audio decoder

  473. - XMA1 & XMA2 decoder

  474. - realtime filter

  475. - anoisesrc audio filter source

  476. - IVR demuxer

  477. - compensationdelay filter

  478. - acompressor filter

  479. - support encoding 16-bit RLE SGI images

  480. - apulsator filter

  481. - sidechaingate audio filter

  482. - mipsdspr1 option has been renamed to mipsdsp

  483. - aemphasis filter

  484. - mips32r5 option has been removed

  485. - mips64r6 option has been removed

  486. - DXVA2-accelerated VP9 decoding

  487. - SOFAlizer: virtual binaural acoustics filter

  488. - VAAPI VP9 hwaccel

  489. - audio high-order multiband parametric equalizer

  490. - automatic bitstream filtering

  491. - showspectrumpic filter

  492. - libstagefright support removed

  493. - spectrumsynth filter

  494. - ahistogram filter

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

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

  497. - afftfilt filter

  498. - convolution filter

  499. - libquvi support removed

  500. - support for dvaudio in wav and avi

  501. - libaacplus and libvo-aacenc support removed

  502. - Cineform HD decoder

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

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

  505. - nnedi deinterlacer

  506. - streamselect video and astreamselect audio filter

  507. - swaprect filter

  508. - metadata video and ametadata audio filter

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

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

  511. 

  512. 

  513. version 2.8:

  514. - colorkey video filter

  515. - BFSTM/BCSTM demuxer

  516. - little-endian ADPCM_THP decoder

  517. - Hap decoder and encoder

  518. - DirectDraw Surface image/texture decoder

  519. - ssim filter

  520. - optional new ASF demuxer

  521. - showvolume filter

  522. - Many improvements to the JPEG 2000 decoder

  523. - Go2Meeting decoding support

  524. - adrawgraph audio and drawgraph video filter

  525. - removegrain video filter

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

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

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

  529. - libkvazaar HEVC encoder

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

  531. - Dynamic Audio Normalizer as dynaudnorm filter

  532. - Reverse video and areverse audio filter

  533. - Random filter

  534. - deband filter

  535. - AAC fixed-point decoding

  536. - sidechaincompress audio filter

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

  538. - acrossfade audio filter

  539. - allyuv and allrgb video sources

  540. - atadenoise video filter

  541. - OS X VideoToolbox support

  542. - aphasemeter filter

  543. - showfreqs filter

  544. - vectorscope filter

  545. - waveform filter

  546. - hstack and vstack filter

  547. - Support DNx100 (1440x1080@8)

  548. - VAAPI hevc hwaccel

  549. - VDPAU hevc hwaccel

  550. - framerate filter

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

  552. - Removed experimental flag from the JPEG 2000 encoder

  553. 

  554. 

  555. version 2.7:

  556. - FFT video filter

  557. - TDSC decoder

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

  559. - showwavespic filter

  560. - DTS decoding through libdcadec

  561. - Drop support for nvenc API before 5.0

  562. - nvenc HEVC encoder

  563. - Detelecine filter

  564. - Intel QSV-accelerated H.264 encoding

  565. - MMAL-accelerated H.264 decoding

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

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

  568. - WebM Live Chunk Muxer

  569. - nvenc level and tier options

  570. - chorus filter

  571. - Canopus HQ/HQA decoder

  572. - Automatically rotate videos based on metadata in ffmpeg

  573. - improved Quickdraw compatibility

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

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

  576. - Direct3D11-accelerated decoding

  577. - Support Secure Transport

  578. - Multipart JPEG demuxer

  579. 

  580. 

  581. version 2.6:

  582. - nvenc encoder

  583. - 10bit spp filter

  584. - colorlevels filter

  585. - RIFX format for *.wav files

  586. - RTP/mpegts muxer

  587. - non continuous cache protocol support

  588. - tblend filter

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

  590. - Camellia symmetric block cipher

  591. - OpenH264 encoder wrapper

  592. - VOC seeking support

  593. - Closed caption Decoder

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

  595. - showpalette filter

  596. - Twofish symmetric block cipher

  597. - Support DNx100 (960x720@8)

  598. - eq2 filter ported from libmpcodecs as eq filter

  599. - removed libmpcodecs

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

  601. - ported softpulldown filter from libmpcodecs as repeatfields filter

  602. - dcshift filter

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

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

  605. - palettegen and paletteuse filters

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

  607. - RTP depacketizer for DV (RFC 6469)

  608. - DXVA2-accelerated HEVC decoding

  609. - AAC ELD 480 decoding

  610. - Intel QSV-accelerated H.264 decoding

  611. - DSS SP decoder and DSS demuxer

  612. - Fix stsd atom corruption in DNxHD QuickTimes

  613. - Canopus HQX decoder

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

  615. - Port MIPS optimizations to 64-bit

  616. 

  617. 

  618. version 2.5:

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

  620. - SUP/PGS subtitle demuxer

  621. - ffprobe -show_pixel_formats option

  622. - CAST128 symmetric block cipher, ECB mode

  623. - STL subtitle demuxer and decoder

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

  625. - XCB-based screen-grabber

  626. - UDP-Lite support (RFC 3828)

  627. - xBR scaling filter

  628. - AVFoundation screen capturing support

  629. - ffserver supports codec private options

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

  631. - WebP muxer with animated WebP support

  632. - zygoaudio decoding support

  633. - APNG demuxer

  634. - postproc visualization support

  635. 

  636. 

  637. version 2.4:

  638. - Icecast protocol

  639. - ported lenscorrection filter from frei0r filter

  640. - large optimizations in dctdnoiz to make it usable

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

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

  643. - LZMA compression support in TIFF decoder

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

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

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

  647. - Matroska 3D support thorugh side data

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

  649. - silenceremove filter

  650. 

  651. 

  652. version 2.3:

  653. - AC3 fixed-point decoding

  654. - shuffleplanes filter

  655. - subfile protocol

  656. - Phantom Cine demuxer

  657. - replaygain data export

  658. - VP7 video decoder

  659. - Alias PIX image encoder and decoder

  660. - Improvements to the BRender PIX image decoder

  661. - Improvements to the XBM decoder

  662. - QTKit input device

  663. - improvements to OpenEXR image decoder

  664. - support decoding 16-bit RLE SGI images

  665. - GDI screen grabbing for Windows

  666. - alternative rendition support for HTTP Live Streaming

  667. - AVFoundation input device

  668. - Direct Stream Digital (DSD) decoder

  669. - Magic Lantern Video (MLV) demuxer

  670. - On2 AVC (Audio for Video) decoder

  671. - support for decoding through DXVA2 in ffmpeg

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

  673. - libx264 reference frames count limiting depending on level

  674. - native Opus decoder

  675. - display matrix export and rotation API

  676. - WebVTT encoder

  677. - showcqt multimedia filter

  678. - zoompan filter

  679. - signalstats filter

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

  681. - flanger filter

  682. - Image format auto-detection

  683. - LRC demuxer and muxer

  684. - Samba protocol (via libsmbclient)

  685. - WebM DASH Manifest muxer

  686. - libfribidi support in drawtext

  687. 

  688. 

  689. version 2.2:

  690. 

  691. - HNM version 4 demuxer and video decoder

  692. - Live HDS muxer

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

  694. - elbg filter

  695. - string validation in ffprobe

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

  697. - complete Voxware MetaSound decoder

  698. - remove mp3_header_compress bitstream filter

  699. - Windows resource files for shared libraries

  700. - aeval filter

  701. - stereoscopic 3d metadata handling

  702. - WebP encoding via libwebp

  703. - ATRAC3+ decoder

  704. - VP8 in Ogg demuxing

  705. - side & metadata support in NUT

  706. - framepack filter

  707. - XYZ12 rawvideo support in NUT

  708. - Exif metadata support in WebP decoder

  709. - OpenGL device

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

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

  712. - Mirillis FIC video decoder

  713. - Support DNx444

  714. - libx265 encoder

  715. - dejudder filter

  716. - Autodetect VDA like all other hardware accelerations

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

  718. 

  719. 

  720. version 2.1:

  721. 

  722. - aecho filter

  723. - perspective filter ported from libmpcodecs

  724. - ffprobe -show_programs option

  725. - compand filter

  726. - RTMP seek support

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

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

  729.   the -noaccurate_seek option.

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

  731.   data read from an input file

  732. - incomplete Voxware MetaSound decoder

  733. - read EXIF metadata from JPEG

  734. - DVB teletext decoder

  735. - phase filter ported from libmpcodecs

  736. - w3fdif filter

  737. - Opus support in Matroska

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

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

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

  741.   more consistent with other muxers.

  742. - adelay filter

  743. - pullup filter ported from libmpcodecs

  744. - ffprobe -read_intervals option

  745. - Lossless and alpha support for WebP decoder

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

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

  748. - mux chapters in ASF files

  749. - SFTP protocol (via libssh)

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

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

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

  753.   the skip_alpha flag.

  754. - ladspa wrapper filter

  755. - native VP9 decoder

  756. - dpx parser

  757. - max_error_rate parameter in ffmpeg

  758. - PulseAudio output device

  759. - ReplayGain scanner

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

  761. - Linux framebuffer output device

  762. - HEVC decoder

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

  764. - mergeplanes filter

  765. 

  766. 

  767. version 2.0:

  768. 

  769. - curves filter

  770. - reference-counting for AVFrame and AVPacket data

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

  772.   or vice versa

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

  774. - perms and aperms filters

  775. - audio filtering support in ffplay

  776. - 10% faster aac encoding on x86 and MIPS

  777. - sine audio filter source

  778. - WebP demuxing and decoding support

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

  780.   filtergraph description to be read from a file

  781. - OpenCL support

  782. - audio phaser filter

  783. - separatefields filter

  784. - libquvi demuxer

  785. - uniform options syntax across all filters

  786. - telecine filter

  787. - interlace filter

  788. - smptehdbars source

  789. - inverse telecine filters (fieldmatch and decimate)

  790. - colorbalance filter

  791. - colorchannelmixer filter

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

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

  794. - decent native animated GIF encoding

  795. - asetrate filter

  796. - interleave filter

  797. - timeline editing with filters

  798. - vidstabdetect and vidstabtransform filters for video stabilization using

  799.   the vid.stab library

  800. - astats filter

  801. - trim and atrim filters

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

  803.   transcoding audio

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

  805. - extractplanes filter

  806. - avectorscope filter

  807. - ADPCM DTK decoder

  808. - ADP demuxer

  809. - RSD demuxer

  810. - RedSpark demuxer

  811. - ADPCM IMA Radical decoder

  812. - zmq filters

  813. - DCT denoiser filter (dctdnoiz)

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

  815. - Apple Intermediate Codec decoder

  816. - Escape 130 video decoder

  817. - FTP protocol support

  818. - V4L2 output device

  819. - 3D LUT filter (lut3d)

  820. - SMPTE 302M audio encoder

  821. - support for slice multithreading in libavfilter

  822. - Hald CLUT support (generation and filtering)

  823. - VC-1 interlaced B-frame support

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

  825. - XVideo output device

  826. - vignette filter

  827. - True Audio (TTA) encoder

  828. - Go2Webinar decoder

  829. - mcdeint filter ported from libmpcodecs

  830. - sab filter ported from libmpcodecs

  831. - ffprobe -show_chapters option

  832. - WavPack encoding through libwavpack

  833. - rotate filter

  834. - spp filter ported from libmpcodecs

  835. - libgme support

  836. - psnr filter

  837. 

  838. 

  839. version 1.2:

  840. 

  841. - VDPAU hardware acceleration through normal hwaccel

  842. - SRTP support

  843. - Error diffusion dither in Swscale

  844. - Chained Ogg support

  845. - Theora Midstream reconfiguration support

  846. - EVRC decoder

  847. - audio fade filter

  848. - filtering audio with unknown channel layout

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

  850.   and treble audio filter

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

  852. - histogram filter

  853. - tee muxer

  854. - il filter ported from libmpcodecs

  855. - support ID3v2 tags in ASF files

  856. - encrypted TTA stream decoding support

  857. - RF64 support in WAV muxer

  858. - noise filter ported from libmpcodecs

  859. - Subtitles character encoding conversion

  860. - blend filter

  861. - stereo3d filter ported from libmpcodecs

  862. 

  863. 

  864. version 1.1:

  865. 

  866. - stream disposition information printing in ffprobe

  867. - filter for loudness analysis following EBU R128

  868. - Opus encoder using libopus

  869. - ffprobe -select_streams option

  870. - Pinnacle TARGA CineWave YUV16 decoder

  871. - TAK demuxer, decoder and parser

  872. - DTS-HD demuxer

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

  874. - FFM2 support

  875. - X-Face image encoder and decoder

  876. - 24-bit FLAC encoding

  877. - multi-channel ALAC encoding up to 7.1

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

  879. - subtitles raw text decoder

  880. - support for building DLLs using MSVC

  881. - LVF demuxer

  882. - ffescape tool

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

  884. - field filter ported from libmpcodecs

  885. - AVR demuxer

  886. - geq filter ported from libmpcodecs

  887. - remove ffserver daemon mode

  888. - AST muxer/demuxer

  889. - new expansion syntax for drawtext

  890. - BRender PIX image decoder

  891. - ffprobe -show_entries option

  892. - ffprobe -sections option

  893. - ADPCM IMA Dialogic decoder

  894. - BRSTM demuxer

  895. - animated GIF decoder and demuxer

  896. - PVF demuxer

  897. - subtitles filter

  898. - IRCAM muxer/demuxer

  899. - Paris Audio File demuxer

  900. - Virtual concatenation demuxer

  901. - VobSub demuxer

  902. - JSON captions for TED talks decoding support

  903. - SOX Resampler support in libswresample

  904. - aselect filter

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

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

  907. - Silicon Graphics Movie demuxer

  908. - apad filter

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

  910. - documentation split into per-component manuals

  911. - pp (postproc) filter ported from MPlayer

  912. - NIST Sphere demuxer

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

  914. - Sony Wave64 muxer

  915. - adobe and limelight publisher authentication in RTMP

  916. - data: URI scheme

  917. - support building on the Plan 9 operating system

  918. - kerndeint filter ported from MPlayer

  919. - histeq filter ported from VirtualDub

  920. - Megalux Frame demuxer

  921. - 012v decoder

  922. - Improved AVC Intra decoding support

  923. 

  924. 

  925. version 1.0:

  926. 

  927. - INI and flat output in ffprobe

  928. - Scene detection in libavfilter

  929. - Indeo Audio decoder

  930. - channelsplit audio filter

  931. - setnsamples audio filter

  932. - atempo filter

  933. - ffprobe -show_data option

  934. - RTMPT protocol support

  935. - iLBC encoding/decoding via libilbc

  936. - Microsoft Screen 1 decoder

  937. - join audio filter

  938. - audio channel mapping filter

  939. - Microsoft ATC Screen decoder

  940. - RTSP listen mode

  941. - TechSmith Screen Codec 2 decoder

  942. - AAC encoding via libfdk-aac

  943. - Microsoft Expression Encoder Screen decoder

  944. - RTMPS protocol support

  945. - RTMPTS protocol support

  946. - RTMPE protocol support

  947. - RTMPTE protocol support

  948. - showwaves and showspectrum filter

  949. - LucasArts SMUSH SANM playback support

  950. - LucasArts SMUSH VIMA audio decoder (ADPCM)

  951. - LucasArts SMUSH demuxer

  952. - SAMI, RealText and SubViewer demuxers and decoders

  953. - Heart Of Darkness PAF playback support

  954. - iec61883 device

  955. - asettb filter

  956. - new option: -progress

  957. - 3GPP Timed Text encoder/decoder

  958. - GeoTIFF decoder support

  959. - ffmpeg -(no)stdin option

  960. - Opus decoder using libopus

  961. - caca output device using libcaca

  962. - alphaextract and alphamerge filters

  963. - concat filter

  964. - flite filter

  965. - Canopus Lossless Codec decoder

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

  967. - MP2 encoding via TwoLAME

  968. - bmp parser

  969. - smptebars source

  970. - asetpts filter

  971. - hue filter

  972. - ICO muxer

  973. - SubRip encoder and decoder without embedded timing

  974. - edge detection filter

  975. - framestep filter

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

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

  978. - volume measurement filter

  979. - Ut Video encoder

  980. - Microsoft Screen 2 decoder

  981. - smartblur filter ported from MPlayer

  982. - CPiA decoder

  983. - decimate filter ported from MPlayer

  984. - RTP depacketization of JPEG

  985. - Smooth Streaming live segmenter muxer

  986. - F4V muxer

  987. - sendcmd and asendcmd filters

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

  989. - RTP packetization of JPEG

  990. - faststart option in the MOV/MP4 muxer

  991. - support for building with MSVC

  992. 

  993. 

  994. version 0.11:

  995. 

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

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

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

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

  1000.          CVE-2012-2796, CVE-2012-2797, CVE-2012-2798, CVE-2012-2799, CVE-2012-2800,

  1001.          CVE-2012-2801, CVE-2012-2802, CVE-2012-2803, CVE-2012-2804,

  1002. - v408 Quicktime and Microsoft AYUV Uncompressed 4:4:4:4 encoder and decoder

  1003. - setfield filter

  1004. - CDXL demuxer and decoder

  1005. - Apple ProRes encoder

  1006. - ffprobe -count_packets and -count_frames options

  1007. - Sun Rasterfile Encoder

  1008. - ID3v2 attached pictures reading and writing

  1009. - WMA Lossless decoder

  1010. - bluray protocol

  1011. - blackdetect filter

  1012. - libutvideo encoder wrapper (--enable-libutvideo)

  1013. - swapuv filter

  1014. - bbox filter

  1015. - XBM encoder and decoder

  1016. - RealAudio Lossless decoder

  1017. - ZeroCodec decoder

  1018. - tile video filter

  1019. - Metal Gear Solid: The Twin Snakes demuxer

  1020. - OpenEXR image decoder

  1021. - removelogo filter

  1022. - drop support for ffmpeg without libavfilter

  1023. - drawtext video filter: fontconfig support

  1024. - ffmpeg -benchmark_all option

  1025. - super2xsai filter ported from libmpcodecs

  1026. - add libavresample audio conversion library for compatibility

  1027. - MicroDVD decoder

  1028. - Avid Meridien (AVUI) encoder and decoder

  1029. - accept + prefix to -pix_fmt option to disable automatic conversions.

  1030. - complete audio filtering in libavfilter and ffmpeg

  1031. - add fps filter

  1032. - vorbis parser

  1033. - png parser

  1034. - audio mix filter

  1035. - ffv1: support (draft) version 1.3

  1036. 

  1037. 

  1038. version 0.10:

  1039. 

  1040. - Fixes: CVE-2011-3929, CVE-2011-3934, CVE-2011-3935, CVE-2011-3936,

  1041.          CVE-2011-3937, CVE-2011-3940, CVE-2011-3941, CVE-2011-3944,

  1042.          CVE-2011-3945, CVE-2011-3946, CVE-2011-3947, CVE-2011-3949,

  1043.          CVE-2011-3950, CVE-2011-3951, CVE-2011-3952

  1044. - v410 Quicktime Uncompressed 4:4:4 10-bit encoder and decoder

  1045. - SBaGen (SBG) binaural beats script demuxer

  1046. - OpenMG Audio muxer

  1047. - Timecode extraction in DV and MOV

  1048. - thumbnail video filter

  1049. - XML output in ffprobe

  1050. - asplit audio filter

  1051. - tinterlace video filter

  1052. - astreamsync audio filter

  1053. - amerge audio filter

  1054. - ISMV (Smooth Streaming) muxer

  1055. - GSM audio parser

  1056. - SMJPEG muxer

  1057. - XWD encoder and decoder

  1058. - Automatic thread count based on detection number of (available) CPU cores

  1059. - y41p Brooktree Uncompressed 4:1:1 12-bit encoder and decoder

  1060. - ffprobe -show_error option

  1061. - Avid 1:1 10-bit RGB Packer codec

  1062. - v308 Quicktime Uncompressed 4:4:4 encoder and decoder

  1063. - yuv4 libquicktime packed 4:2:0 encoder and decoder

  1064. - ffprobe -show_frames option

  1065. - silencedetect audio filter

  1066. - ffprobe -show_program_version, -show_library_versions, -show_versions options

  1067. - rv34: frame-level multi-threading

  1068. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec

  1069. - Improved PGS subtitle decoder

  1070. - dumpgraph option to lavfi device

  1071. - r210 and r10k encoders

  1072. - ffwavesynth decoder

  1073. - aviocat tool

  1074. - ffeval tool

  1075. - support encoding and decoding 4-channel SGI images

  1076. 

  1077. 

  1078. version 0.9:

  1079. 

  1080. - openal input device added

  1081. - boxblur filter added

  1082. - BWF muxer

  1083. - Flash Screen Video 2 decoder

  1084. - lavfi input device added

  1085. - added avconv, which is almost the same for now, except

  1086. for a few incompatible changes in the options, which will hopefully make them

  1087. easier to use. The changes are:

  1088.     * The options placement is now strictly enforced! While in theory the

  1089.       options for ffmpeg should be given in [input options] -i INPUT [output

  1090.       options] OUTPUT order, in practice it was possible to give output options

  1091.       before the -i and it mostly worked. Except when it didn't - the behavior was

  1092.       a bit inconsistent. In avconv, it is not possible to mix input and output

  1093.       options. All non-global options are reset after an input or output filename.

  1094.     * All per-file options are now truly per-file - they apply only to the next

  1095.       input or output file and specifying different values for different files

  1096.       will now work properly (notably -ss and -t options).

  1097.     * All per-stream options are now truly per-stream - it is possible to

  1098.       specify which stream(s) should a given option apply to. See the Stream

  1099.       specifiers section in the avconv manual for details.

  1100.     * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the

  1101.       sense that they're specified after the output filename instead of before,

  1102.       like all other options. In avconv this irregularity is removed, all options

  1103.       apply to the next input or output file.

  1104.     * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they

  1105.       irregular and highly confusing, they were also redundant. In avconv the -map

  1106.       option will create new streams in the output file and map input streams to

  1107.       them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for

  1108.       each stream in the first input file.

  1109.     * The -map option now has slightly different and more powerful syntax:

  1110.         + Colons (':') are used to separate file index/stream type/stream index

  1111.           instead of dots. Comma (',') is used to separate the sync stream instead

  1112.           of colon.. This is done for consistency with other options.

  1113.         + It's possible to specify stream type. E.g. -map 0:a:2 creates an

  1114.           output stream from the third input audio stream.

  1115.         + Omitting the stream index now maps all the streams of the given type,

  1116.           not just the first. E.g. -map 0:s creates output streams for all the

  1117.           subtitle streams in the first input file.

  1118.         + Since -map can now match multiple streams, negative mappings were

  1119.           introduced. Negative mappings disable some streams from an already

  1120.           defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for

  1121.           all the stream in the first input file, except for the second audio

  1122.           stream'.

  1123.     * There is a new option -c (or -codec) for choosing the decoder/encoder to

  1124.       use, which makes it possible to precisely specify target stream(s) consistently with

  1125.       other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0

  1126.       libvorbis sets the codec for the first audio stream and -c copy copies all

  1127.       the streams without reencoding. Old -vcodec/-acodec/-scodec options are now

  1128.       aliases to -c:v/a/s

  1129.     * It is now possible to precisely specify which stream should an AVOption

  1130.       apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while

  1131.       -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k

  1132.       syntax is deprecated and will stop working soon.

  1133.     * -map_chapters now takes only an input file index and applies to the next

  1134.       output file. This is consistent with how all the other options work.

  1135.     * -map_metadata now takes only an input metadata specifier and applies to

  1136.       the next output file. Output metadata specifier is now part of the option

  1137.       name, similarly to the AVOptions/map/codec feature above.

  1138.     * -metadata can now be used to set metadata on streams and chapters, e.g.

  1139.       -metadata:s:1 language=eng sets the language of the first stream to 'eng'.

  1140.       This made -vlang/-alang/-slang options redundant, so they were removed.

  1141.     * -qscale option now uses stream specifiers and applies to all streams, not

  1142.       just video. I.e. plain -qscale number would now apply to all streams. To get

  1143.       the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale

  1144.       and -aq is now an alias for -q:a.

  1145.     * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which

  1146.       uses stream specifiers. Use -bsf:v/a/s instead of the old options.

  1147.     * -itsscale option now uses stream specifiers, so its argument is only the

  1148.       scale parameter.

  1149.     * -intra option was removed, use -g 0 for the same effect.

  1150.     * -psnr option was removed, use -flags +psnr for the same effect.

  1151.     * -vf option is now an alias to the new -filter option, which uses stream specifiers.

  1152.     * -vframes/-aframes/-dframes options are now aliases to the new -frames option.

  1153.     * -vtag/-atag/-stag options are now aliases to the new -tag option.

  1154. - XMV demuxer

  1155. - LOAS demuxer

  1156. - ashowinfo filter added

  1157. - Windows Media Image decoder

  1158. - amovie source added

  1159. - LATM muxer/demuxer

  1160. - Speex encoder via libspeex

  1161. - JSON output in ffprobe

  1162. - WTV muxer

  1163. - Optional C++ Support (needed for libstagefright)

  1164. - H.264 Decoding on Android via Stagefright

  1165. - Prores decoder

  1166. - BIN/XBIN/ADF/IDF text file decoder

  1167. - aconvert audio filter added

  1168. - audio support to lavfi input device added

  1169. - libcdio-paranoia input device for audio CD grabbing

  1170. - Apple ProRes decoder

  1171. - CELT in Ogg demuxing

  1172. - G.723.1 demuxer and decoder

  1173. - libmodplug support (--enable-libmodplug)

  1174. - VC-1 interlaced decoding

  1175. - libutvideo wrapper (--enable-libutvideo)

  1176. - aevalsrc audio source added

  1177. - Ut Video decoder

  1178. - Speex encoding via libspeex

  1179. - 4:2:2 H.264 decoding support

  1180. - 4:2:2 and 4:4:4 H.264 encoding with libx264

  1181. - Pulseaudio input device

  1182. - Prores encoder

  1183. - Video Decoder Acceleration (VDA) HWAccel module.

  1184. - replacement Indeo 3 decoder

  1185. - new ffmpeg option: -map_channel

  1186. - volume audio filter added

  1187. - earwax audio filter added

  1188. - libv4l2 support (--enable-libv4l2)

  1189. - TLS/SSL and HTTPS protocol support

  1190. - AVOptions API rewritten and documented

  1191. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in

  1192.   AVCodecContext deprecated. Codec private options should be used instead.

  1193. - Properly working defaults in libx264 wrapper, support for native presets.

  1194. - Encrypted OMA files support

  1195. - Discworld II BMV decoding support

  1196. - VBLE Decoder

  1197. - OS X Video Decoder Acceleration (VDA) support

  1198. - compact and csv output in ffprobe

  1199. - pan audio filter

  1200. - IFF Amiga Continuous Bitmap (ACBM) decoder

  1201. - ass filter

  1202. - CRI ADX audio format muxer and demuxer

  1203. - Playstation Portable PMP format demuxer

  1204. - Microsoft Windows ICO demuxer

  1205. - life source

  1206. - PCM format support in OMA demuxer

  1207. - CLJR encoder

  1208. - new option: -report

  1209. - Dxtory capture format decoder

  1210. - cellauto source

  1211. - Simple segmenting muxer

  1212. - Indeo 4 decoder

  1213. - SMJPEG demuxer

  1214. 

  1215. 

  1216. version 0.8:

  1217. 

  1218. - many many things we forgot because we rather write code than changelogs

  1219. - WebM support in Matroska de/muxer

  1220. - low overhead Ogg muxing

  1221. - MMS-TCP support

  1222. - VP8 de/encoding via libvpx

  1223. - Demuxer for On2's IVF format

  1224. - Pictor/PC Paint decoder

  1225. - HE-AAC v2 decoder

  1226. - HE-AAC v2 encoding with libaacplus

  1227. - libfaad2 wrapper removed

  1228. - DTS-ES extension (XCh) decoding support

  1229. - native VP8 decoder

  1230. - RTSP tunneling over HTTP

  1231. - RTP depacketization of SVQ3

  1232. - -strict inofficial replaced by -strict unofficial

  1233. - ffplay -exitonkeydown and -exitonmousedown options added

  1234. - native GSM / GSM MS decoder

  1235. - RTP depacketization of QDM2

  1236. - ANSI/ASCII art playback system

  1237. - Lego Mindstorms RSO de/muxer

  1238. - libavcore added (and subsequently removed)

  1239. - SubRip subtitle file muxer and demuxer

  1240. - Chinese AVS encoding via libxavs

  1241. - ffprobe -show_packets option added

  1242. - RTP packetization of Theora and Vorbis

  1243. - RTP depacketization of MP4A-LATM

  1244. - RTP packetization and depacketization of VP8

  1245. - hflip filter

  1246. - Apple HTTP Live Streaming demuxer

  1247. - a64 codec

  1248. - MMS-HTTP support

  1249. - G.722 ADPCM audio encoder/decoder

  1250. - R10k video decoder

  1251. - ocv_smooth filter

  1252. - frei0r wrapper filter

  1253. - change crop filter syntax to width:height:x:y

  1254. - make the crop filter accept parametric expressions

  1255. - make ffprobe accept AVFormatContext options

  1256. - yadif filter

  1257. - blackframe filter

  1258. - Demuxer for Leitch/Harris' VR native stream format (LXF)

  1259. - RTP depacketization of the X-QT QuickTime format

  1260. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer

  1261. - cropdetect filter

  1262. - ffmpeg -crop* options removed

  1263. - transpose filter added

  1264. - ffmpeg -force_key_frames option added

  1265. - demuxer for receiving raw rtp:// URLs without an SDP description

  1266. - single stream LATM/LOAS decoder

  1267. - setpts filter added

  1268. - Win64 support for optimized x86 assembly functions

  1269. - MJPEG/AVI1 to JPEG/JFIF bitstream filter

  1270. - ASS subtitle encoder and decoder

  1271. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)

  1272. - overlay filter added

  1273. - rename aspect filter to setdar, and pixelaspect to setsar

  1274. - IEC 61937 demuxer

  1275. - Mobotix .mxg demuxer

  1276. - frei0r source added

  1277. - hqdn3d filter added

  1278. - RTP depacketization of QCELP

  1279. - FLAC parser added

  1280. - gradfun filter added

  1281. - AMR-WB decoder

  1282. - replace the ocv_smooth filter with a more generic ocv filter

  1283. - Windows Televison (WTV) demuxer

  1284. - FFmpeg metadata format muxer and demuxer

  1285. - SubRip (srt) subtitle encoder and decoder

  1286. - floating-point AC-3 encoder added

  1287. - Lagarith decoder

  1288. - ffmpeg -copytb option added

  1289. - IVF muxer added

  1290. - Wing Commander IV movies decoder added

  1291. - movie source added

  1292. - Bink version 'b' audio and video decoder

  1293. - Bitmap Brothers JV playback system

  1294. - Apple HTTP Live Streaming protocol handler

  1295. - sndio support for playback and record

  1296. - Linux framebuffer input device added

  1297. - Chronomaster DFA decoder

  1298. - DPX image encoder

  1299. - MicroDVD subtitle file muxer and demuxer

  1300. - Playstation Portable PMP format demuxer

  1301. - fieldorder video filter added

  1302. - AAC encoding via libvo-aacenc

  1303. - AMR-WB encoding via libvo-amrwbenc

  1304. - xWMA demuxer

  1305. - Mobotix MxPEG decoder

  1306. - VP8 frame-multithreading

  1307. - NEON optimizations for VP8

  1308. - Lots of deprecated API cruft removed

  1309. - fft and imdct optimizations for AVX (Sandy Bridge) processors

  1310. - showinfo filter added

  1311. - SMPTE 302M AES3 audio decoder

  1312. - Apple Core Audio Format muxer

  1313. - 9 bits and 10 bits per sample support in the H.264 decoder

  1314. - 9 bits and 10 bits FFV1 encoding / decoding

  1315. - split filter added

  1316. - select filter added

  1317. - sdl output device added

  1318. - libmpcodecs video filter support (3 times as many filters than before)

  1319. - mpeg2 aspect ratio dection fixed

  1320. - libxvid aspect pickiness fixed

  1321. - Frame multithreaded decoding

  1322. - E-AC-3 audio encoder

  1323. - ac3enc: add channel coupling support

  1324. - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.

  1325. - H264/MPEG frame-level multi-threading

  1326. - All av_metadata_* functions renamed to av_dict_* and moved to libavutil

  1327. - 4:4:4 H.264 decoding support

  1328. - 10-bit H.264 optimizations for x86

  1329. - lut, lutrgb, and lutyuv filters added

  1330. - buffersink libavfilter sink added

  1331. - Bump libswscale for recently reported ABI break

  1332. - New J2K encoder (via OpenJPEG)

  1333. 

  1334. 

  1335. version 0.7:

  1336. 

  1337. - all the changes for 0.8, but keeping API/ABI compatibility with the 0.6 release

  1338. 

  1339. 

  1340. version 0.6:

  1341. 

  1342. - PB-frame decoding for H.263

  1343. - deprecated vhook subsystem removed

  1344. - deprecated old scaler removed

  1345. - VQF demuxer

  1346. - Alpha channel scaler

  1347. - PCX encoder

  1348. - RTP packetization of H.263

  1349. - RTP packetization of AMR

  1350. - RTP depacketization of Vorbis

  1351. - CorePNG decoding support

  1352. - Cook multichannel decoding support

  1353. - introduced avlanguage helpers in libavformat

  1354. - 8088flex TMV demuxer and decoder

  1355. - per-stream language-tags extraction in asfdec

  1356. - V210 decoder and encoder

  1357. - remaining GPL parts in AC-3 decoder converted to LGPL

  1358. - QCP demuxer

  1359. - SoX native format muxer and demuxer

  1360. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries

  1361. - DPX image decoder

  1362. - Electronic Arts Madcow decoder

  1363. - DivX (XSUB) subtitle encoder

  1364. - nonfree libamr support for AMR-NB/WB decoding/encoding removed

  1365. - experimental AAC encoder

  1366. - RTP depacketization of ASF and RTSP from WMS servers

  1367. - RTMP support in libavformat

  1368. - noX handling for OPT_BOOL X options

  1369. - Wave64 demuxer

  1370. - IEC-61937 compatible Muxer

  1371. - TwinVQ decoder

  1372. - Bluray (PGS) subtitle decoder

  1373. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)

  1374. - WMA Pro decoder

  1375. - Core Audio Format demuxer

  1376. - ATRAC1 decoder

  1377. - MD STUDIO audio demuxer

  1378. - RF64 support in WAV demuxer

  1379. - MPEG-4 Audio Lossless Coding (ALS) decoder

  1380. - -formats option split into -formats, -codecs, -bsfs, and -protocols

  1381. - IV8 demuxer

  1382. - CDG demuxer and decoder

  1383. - R210 decoder

  1384. - Auravision Aura 1 and 2 decoders

  1385. - Deluxe Paint Animation playback system

  1386. - SIPR decoder

  1387. - Adobe Filmstrip muxer and demuxer

  1388. - RTP depacketization of H.263

  1389. - Bink demuxer and audio/video decoders

  1390. - enable symbol versioning by default for linkers that support it

  1391. - IFF PBM/ILBM bitmap decoder

  1392. - concat protocol

  1393. - Indeo 5 decoder

  1394. - RTP depacketization of AMR

  1395. - WMA Voice decoder

  1396. - ffprobe tool

  1397. - AMR-NB decoder

  1398. - RTSP muxer

  1399. - HE-AAC v1 decoder

  1400. - Kega Game Video (KGV1) decoder

  1401. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files

  1402. - RTP depacketization of Theora

  1403. - HTTP Digest authentication

  1404. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp

  1405. - Psygnosis YOP demuxer and video decoder

  1406. - spectral extension support in the E-AC-3 decoder

  1407. - unsharp video filter

  1408. - RTP hinting in the mov/3gp/mp4 muxer

  1409. - Dirac in Ogg demuxing

  1410. - seek to keyframes in Ogg

  1411. - 4:2:2 and 4:4:4 Theora decoding

  1412. - 35% faster VP3/Theora decoding

  1413. - faster AAC decoding

  1414. - faster H.264 decoding

  1415. - RealAudio 1.0 (14.4K) encoder

  1416. 

  1417. 

  1418. version 0.5:

  1419. 

  1420. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer

  1421. - TechSmith Camtasia (TSCC) video decoder

  1422. - IBM Ultimotion (ULTI) video decoder

  1423. - Sierra Online audio file demuxer and decoder

  1424. - Apple QuickDraw (qdrw) video decoder

  1425. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)

  1426. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer

  1427. - Miro VideoXL (VIXL) video decoder

  1428. - H.261 video encoder

  1429. - QPEG video decoder

  1430. - Nullsoft Video (NSV) file demuxer

  1431. - Shorten audio decoder

  1432. - LOCO video decoder

  1433. - Apple Lossless Audio Codec (ALAC) decoder

  1434. - Winnov WNV1 video decoder

  1435. - Autodesk Animator Studio Codec (AASC) decoder

  1436. - Indeo 2 video decoder

  1437. - Fraps FPS1 video decoder

  1438. - Snow video encoder/decoder

  1439. - Sonic audio encoder/decoder

  1440. - Vorbis audio decoder

  1441. - Macromedia ADPCM decoder

  1442. - Duck TrueMotion 2 video decoder

  1443. - support for decoding FLX and DTA extensions in FLIC files

  1444. - H.264 custom quantization matrices support

  1445. - ffserver fixed, it should now be usable again

  1446. - QDM2 audio decoder

  1447. - Real Cooker audio decoder

  1448. - TrueSpeech audio decoder

  1449. - WMA2 audio decoder fixed, now all files should play correctly

  1450. - RealAudio 14.4 and 28.8 decoders fixed

  1451. - JPEG-LS decoder

  1452. - build system improvements

  1453. - tabs and trailing whitespace removed from the codebase

  1454. - CamStudio video decoder

  1455. - AIFF/AIFF-C audio format, encoding and decoding

  1456. - ADTS AAC file reading and writing

  1457. - Creative VOC file reading and writing

  1458. - American Laser Games multimedia (*.mm) playback system

  1459. - Zip Motion Blocks Video decoder

  1460. - improved Theora/VP3 decoder

  1461. - True Audio (TTA) decoder

  1462. - AVS demuxer and video decoder

  1463. - JPEG-LS encoder

  1464. - Smacker demuxer and decoder

  1465. - NuppelVideo/MythTV demuxer and RTjpeg decoder

  1466. - KMVC decoder

  1467. - MPEG-2 intra VLC support

  1468. - MPEG-2 4:2:2 encoder

  1469. - Flash Screen Video decoder

  1470. - GXF demuxer

  1471. - Chinese AVS decoder

  1472. - GXF muxer

  1473. - MXF demuxer

  1474. - VC-1/WMV3/WMV9 video decoder

  1475. - MacIntel support

  1476. - AviSynth support

  1477. - VMware video decoder

  1478. - VP5 video decoder

  1479. - VP6 video decoder

  1480. - WavPack lossless audio decoder

  1481. - Targa (.TGA) picture decoder

  1482. - Vorbis audio encoder

  1483. - Delphine Software .cin demuxer/audio and video decoder

  1484. - Tiertex .seq demuxer/video decoder

  1485. - MTV demuxer

  1486. - TIFF picture encoder and decoder

  1487. - GIF picture decoder

  1488. - Intel Music Coder decoder

  1489. - Zip Motion Blocks Video encoder

  1490. - Musepack decoder

  1491. - Flash Screen Video encoder

  1492. - Theora encoding via libtheora

  1493. - BMP encoder

  1494. - WMA encoder

  1495. - GSM-MS encoder and decoder

  1496. - DCA decoder

  1497. - DXA demuxer and decoder

  1498. - DNxHD decoder

  1499. - Gamecube movie (.THP) playback system

  1500. - Blackfin optimizations

  1501. - Interplay C93 demuxer and video decoder

  1502. - Bethsoft VID demuxer and video decoder

  1503. - CRYO APC demuxer

  1504. - ATRAC3 decoder

  1505. - V.Flash PTX decoder

  1506. - RoQ muxer, RoQ audio encoder

  1507. - Renderware TXD demuxer and decoder

  1508. - extern C declarations for C++ removed from headers

  1509. - sws_flags command line option

  1510. - codebook generator

  1511. - RoQ video encoder

  1512. - QTRLE encoder

  1513. - OS/2 support removed and restored again

  1514. - AC-3 decoder

  1515. - NUT muxer

  1516. - additional SPARC (VIS) optimizations

  1517. - Matroska muxer

  1518. - slice-based parallel H.264 decoding

  1519. - Monkey's Audio demuxer and decoder

  1520. - AMV audio and video decoder

  1521. - DNxHD encoder

  1522. - H.264 PAFF decoding

  1523. - Nellymoser ASAO decoder

  1524. - Beam Software SIFF demuxer and decoder

  1525. - libvorbis Vorbis decoding removed in favor of native decoder

  1526. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1

  1527. - Ogg (Theora, Vorbis and FLAC) muxer

  1528. - The "device" muxers and demuxers are now in a new libavdevice library

  1529. - PC Paintbrush PCX decoder

  1530. - Sun Rasterfile decoder

  1531. - TechnoTrend PVA demuxer

  1532. - Linux Media Labs MPEG-4 (LMLM4) demuxer

  1533. - AVM2 (Flash 9) SWF muxer

  1534. - QT variant of IMA ADPCM encoder

  1535. - VFW grabber

  1536. - iPod/iPhone compatible mp4 muxer

  1537. - Mimic decoder

  1538. - MSN TCP Webcam stream demuxer

  1539. - RL2 demuxer / decoder

  1540. - IFF demuxer

  1541. - 8SVX audio decoder

  1542. - non-recursive Makefiles

  1543. - BFI demuxer

  1544. - MAXIS EA XA (.xa) demuxer / decoder

  1545. - BFI video decoder

  1546. - OMA demuxer

  1547. - MLP/TrueHD decoder

  1548. - Electronic Arts CMV decoder

  1549. - Motion Pixels Video decoder

  1550. - Motion Pixels MVI demuxer

  1551. - removed animated GIF decoder/demuxer

  1552. - D-Cinema audio muxer

  1553. - Electronic Arts TGV decoder

  1554. - Apple Lossless Audio Codec (ALAC) encoder

  1555. - AAC decoder

  1556. - floating point PCM encoder/decoder

  1557. - MXF muxer

  1558. - DV100 AKA DVCPRO HD decoder and demuxer

  1559. - E-AC-3 support added to AC-3 decoder

  1560. - Nellymoser ASAO encoder

  1561. - ASS and SSA demuxer and muxer

  1562. - liba52 wrapper removed

  1563. - SVQ3 watermark decoding support

  1564. - Speex decoding via libspeex

  1565. - Electronic Arts TGQ decoder

  1566. - RV40 decoder

  1567. - QCELP / PureVoice decoder

  1568. - RV30 decoder

  1569. - hybrid WavPack support

  1570. - R3D REDCODE demuxer

  1571. - ALSA support for playback and record

  1572. - Electronic Arts TQI decoder

  1573. - OpenJPEG based JPEG 2000 decoder

  1574. - NC (NC4600) camera file demuxer

  1575. - Gopher client support

  1576. - MXF D-10 muxer

  1577. - generic metadata API

  1578. - flash ScreenVideo2 encoder

  1579. 

  1580. 

  1581. version 0.4.9-pre1:

  1582. 

  1583. - DV encoder, DV muxer

  1584. - Microsoft RLE video decoder

  1585. - Microsoft Video-1 decoder

  1586. - Apple Animation (RLE) decoder

  1587. - Apple Graphics (SMC) decoder

  1588. - Apple Video (RPZA) decoder

  1589. - Cinepak decoder

  1590. - Sega FILM (CPK) file demuxer

  1591. - Westwood multimedia support (VQA & AUD files)

  1592. - Id Quake II CIN playback support

  1593. - 8BPS video decoder

  1594. - FLIC playback support

  1595. - RealVideo 2.0 (RV20) decoder

  1596. - Duck TrueMotion v1 (DUCK) video decoder

  1597. - Sierra VMD demuxer and video decoder

  1598. - MSZH and ZLIB decoder support

  1599. - SVQ1 video encoder

  1600. - AMR-WB support

  1601. - PPC optimizations

  1602. - rate distortion optimal cbp support

  1603. - rate distorted optimal ac prediction for MPEG-4

  1604. - rate distorted optimal lambda->qp support

  1605. - AAC encoding with libfaac

  1606. - Sunplus JPEG codec (SP5X) support

  1607. - use Lagrange multiplier instead of QP for ratecontrol

  1608. - Theora/VP3 decoding support

  1609. - XA and ADX ADPCM codecs

  1610. - export MPEG-2 active display area / pan scan

  1611. - Add support for configuring with IBM XLC

  1612. - floating point AAN DCT

  1613. - initial support for zygo video (not complete)

  1614. - RGB ffv1 support

  1615. - new audio/video parser API

  1616. - av_log() system

  1617. - av_read_frame() and av_seek_frame() support

  1618. - missing last frame fixes

  1619. - seek by mouse in ffplay

  1620. - noise reduction of DCT coefficients

  1621. - H.263 OBMC & 4MV support

  1622. - H.263 alternative inter vlc support

  1623. - H.263 loop filter

  1624. - H.263 slice structured mode

  1625. - interlaced DCT support for MPEG-2 encoding

  1626. - stuffing to stay above min_bitrate

  1627. - MB type & QP visualization

  1628. - frame stepping for ffplay

  1629. - interlaced motion estimation

  1630. - alternate scantable support

  1631. - SVCD scan offset support

  1632. - closed GOP support

  1633. - SSE2 FDCT

  1634. - quantizer noise shaping

  1635. - G.726 ADPCM audio codec

  1636. - MS ADPCM encoding

  1637. - multithreaded/SMP motion estimation

  1638. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263

  1639. - multithreaded/SMP decoding for MPEG-2

  1640. - FLAC decoder

  1641. - Metrowerks CodeWarrior suppport

  1642. - H.263+ custom pcf support

  1643. - nicer output for 'ffmpeg -formats'

  1644. - Matroska demuxer

  1645. - SGI image format, encoding and decoding

  1646. - H.264 loop filter support

  1647. - H.264 CABAC support

  1648. - nicer looking arrows for the motion vector visualization

  1649. - improved VCD support

  1650. - audio timestamp drift compensation

  1651. - MPEG-2 YUV 422/444 support

  1652. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample

  1653. - better image scaling

  1654. - H.261 support

  1655. - correctly interleave packets during encoding

  1656. - VIS optimized motion compensation

  1657. - intra_dc_precision>0 encoding support

  1658. - support reuse of motion vectors/MB types/field select values of the source video

  1659. - more accurate deblock filter

  1660. - padding support

  1661. - many optimizations and bugfixes

  1662. - FunCom ISS audio file demuxer and according ADPCM decoding

  1663. 

  1664. 

  1665. version 0.4.8:

  1666. 

  1667. - MPEG-2 video encoding (Michael)

  1668. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)

  1669. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson

  1670.   and Mario Brito)

  1671. - Xan DPCM audio decoder (Mario Brito)

  1672. - Interplay MVE playback subsystem (Mike Melanson)

  1673. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)

  1674. 

  1675. 

  1676. version 0.4.7:

  1677. 

  1678. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq

  1679.   (originally from public domain player for Amiga at http://www.honeypot.net/audio)

  1680. - current version now also compiles with older GCC (Fabrice)

  1681. - 4X multimedia playback system including 4xm file demuxer (Mike

  1682.   Melanson), and 4X video and audio codecs (Michael)

  1683. - Creative YUV (CYUV) decoder (Mike Melanson)

  1684. - FFV1 codec (our very simple lossless intra only codec, compresses much better

  1685.   than HuffYUV) (Michael)

  1686. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)

  1687. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with

  1688.   alpha support), JPEG YUV colorspace support. (Fabrice Bellard)

  1689. - ffplay has been replaced with a newer version which uses SDL (optionally)

  1690.   for multiplatform support (Fabrice)

  1691. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated

  1692.   by anonymous

  1693. - AMR format has been added (Johannes Carlsson)

  1694. - 3GP support has been added (Johannes Carlsson)

  1695. - VP3 codec has been added (Mike Melanson)

  1696. - more MPEG-1/2 fixes

  1697. - better multiplatform support, MS Visual Studio fixes (various)

  1698. - AltiVec optimizations (Magnus Damn and others)

  1699. - SH4 processor support has been added (BERO)

  1700. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)

  1701. - VOB streaming support (Brian Foley)

  1702. - better MP3 autodetection (Andriy Rysin)

  1703. - qpel encoding (Michael)

  1704. - 4mv+b frames encoding finally fixed (Michael)

  1705. - chroma ME (Michael)

  1706. - 5 comparison functions for ME (Michael)

  1707. - B-frame encoding speedup (Michael)

  1708. - WMV2 codec (unfinished - Michael)

  1709. - user specified diamond size for EPZS (Michael)

  1710. - Playstation STR playback subsystem, still experimental (Mike and Michael)

  1711. - ASV2 codec (Michael)

  1712. - CLJR decoder (Alex)

  1713. 

  1714. .. And lots more new enhancements and fixes.

  1715. 

  1716. 

  1717. version 0.4.6:

  1718. 

  1719. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten

  1720.   from scratch

  1721. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)

  1722. - fix quantization bug in AC3 encoder

  1723. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues

  1724. - added prototype ffplay program

  1725. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)

  1726. - bug fix on MCBPC tables of H.263 (Juanjo)

  1727. - bug fix on DC coefficients of H.263 (Juanjo)

  1728. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)

  1729. - now we can decode H.263 streams found in QuickTime files (Juanjo)

  1730. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)

  1731. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)

  1732. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)

  1733. - now H.263 picture size is returned on the first decoded frame (Juanjo)

  1734. - added first regression tests

  1735. - added MPEG-2 TS demuxer

  1736. - new demux API for libav

  1737. - more accurate and faster IDCT (Michael)

  1738. - faster and entropy-controlled motion search (Michael)

  1739. - two pass video encoding (Michael)

  1740. - new video rate control (Michael)

  1741. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)

  1742. - great performance improvement of video encoders and decoders (Michael)

  1743. - new and faster bit readers and vlc parsers (Michael)

  1744. - high quality encoding mode: tries all macroblock/VLC types (Michael)

  1745. - added DV video decoder

  1746. - preliminary RTP/RTSP support in ffserver and libavformat

  1747. - H.263+ AIC decoding/encoding support (Juanjo)

  1748. - VCD MPEG-PS mode (Juanjo)

  1749. - PSNR stuff (Juanjo)

  1750. - simple stats output (Juanjo)

  1751. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)

  1752. 

  1753. 

  1754. version 0.4.5:

  1755. 

  1756. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)

  1757. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)

  1758. - added configure system (actually a small shell script)

  1759. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by

  1760.   Michael Hipp (temporary solution - waiting for integer only

  1761.   decoder)

  1762. - fixed VIDIOCSYNC interrupt

  1763. - added Intel H.263 decoding support ('I263' AVI fourCC)

  1764. - added Real Video 1.0 decoding (needs further testing)

  1765. - simplified image formats again. Added PGM format (=grey

  1766.   pgm). Renamed old PGM to PGMYUV.

  1767. - fixed msmpeg4 slice issues (tell me if you still find problems)

  1768. - fixed OpenDivX bugs with newer versions (added VOL header decoding)

  1769. - added support for MPlayer interface

  1770. - added macroblock skip optimization

  1771. - added MJPEG decoder

  1772. - added mmx/mmxext IDCT from libmpeg2

  1773. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer

  1774.   <celer at shell.scrypt.net>)

  1775. - added pixel format conversion layer (e.g. for MJPEG or PPM)

  1776. - added deinterlacing option

  1777. - MPEG-1/2 fixes

  1778. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)

  1779. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).

  1780. - Windows porting of file converter

  1781. - added MJPEG raw format (input/output)

  1782. - added JPEG image format support (input/output)

  1783. 

  1784. 

  1785. version 0.4.4:

  1786. 

  1787. - fixed some std header definitions (Bjorn Lindgren

  1788.   <bjorn.e.lindgren at telia.com>).

  1789. - added MPEG demuxer (MPEG-1 and 2 compatible).

  1790. - added ASF demuxer

  1791. - added prototype RM demuxer

  1792. - added AC3 decoding (done with libac3 by Aaron Holtzman)

  1793. - added decoding codec parameter guessing (.e.g. for MPEG, because the

  1794.   header does not include them)

  1795. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now

  1796.   play them (only tested video)

  1797. - fixed H.263 white bug

  1798. - fixed phase rounding in img resample filter

  1799. - add MMX code for polyphase img resample filter

  1800. - added CPU autodetection

  1801. - added generic title/author/copyright/comment string handling (ASF and RM

  1802.   use them)

  1803. - added SWF demux to extract MP3 track (not usable yet because no MP3

  1804.   decoder)

  1805. - added fractional frame rate support

  1806. - codecs are no longer searched by read_header() (should fix ffserver

  1807.   segfault)

  1808. 

  1809. 

  1810. version 0.4.3:

  1811. 

  1812. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)

  1813. - fixed raw yuv output

  1814. - added motion rounding support in MPEG-4

  1815. - fixed motion bug rounding in MSMPEG4

  1816. - added B-frame handling in video core

  1817. - added full MPEG-1 decoding support

  1818. - added partial (frame only) MPEG-2 support

  1819. - changed the FOURCC code for H.263 to "U263" to be able to see the

  1820.   +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with

  1821.   this +codec ;) (JuanJo).

  1822. - Halfpel motion estimation after MB type selection (JuanJo)

  1823. - added pgm and .Y.U.V output format

  1824. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or

  1825.   output.

  1826. - added pgmpipe I/O format (original patch from Martin Aumueller

  1827.   <lists at reserv.at>, but changed completely since we use a format

  1828.   instead of a protocol)

  1829. 

  1830. 

  1831. version 0.4.2:

  1832. 

  1833. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support

  1834.   (for OpenDivX) is almost complete: 8x8 MVs and rounding are

  1835.   missing. MSMPEG4 support is complete.

  1836. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it

  1837.   can decode ffmpeg MPEGs :-)).

  1838. - added libavcodec API documentation (see apiexample.c).

  1839. - fixed image polyphase bug (the bottom of some images could be

  1840.   greenish)

  1841. - added support for non clipped motion vectors (decoding only)

  1842.   and image sizes non-multiple of 16

  1843. - added support for AC prediction (decoding only)

  1844. - added file overwrite confirmation (can be disabled with -y)

  1845. - added custom size picture to H.263 using H.263+ (Juanjo)

  1846. 

  1847. 

  1848. version 0.4.1:

  1849. 

  1850. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec

  1851.   of AVI and ASF to DIV3.

  1852. - added -me option to set motion estimation method

  1853.   (default=log). suppressed redundant -hq option.

  1854. - added options -acodec and -vcodec to force a given codec (useful for

  1855.   AVI for example)

  1856. - fixed -an option

  1857. - improved dct_quantize speed

  1858. - factorized some motion estimation code

  1859. 

  1860. 

  1861. version 0.4.0:

  1862. 

  1863. - removing grab code from ffserver and moved it to ffmpeg. Added

  1864.   multistream support to ffmpeg.

  1865. - added timeshifting support for live feeds (option ?date=xxx in the

  1866.   URL)

  1867. - added high quality image resize code with polyphase filter (need

  1868.   mmx/see optimization). Enable multiple image size support in ffserver.

  1869. - added multi live feed support in ffserver

  1870. - suppressed master feature from ffserver (it should be done with an

  1871.   external program which opens the .ffm url and writes it to another

  1872.   ffserver)

  1873. - added preliminary support for video stream parsing (WAV and AVI half

  1874.   done). Added proper support for audio/video file conversion in

  1875.   ffmpeg.

  1876. - added preliminary support for video file sending from ffserver

  1877. - redesigning I/O subsystem: now using URL based input and output

  1878.   (see avio.h)

  1879. - added WAV format support

  1880. - added "tty user interface" to ffmpeg to stop grabbing gracefully

  1881. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)

  1882.   (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)

  1883. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)

  1884. - added new motion estimation algorithms, log and phods (Juanjo)

  1885. - changed directories: libav for format handling, libavcodec for

  1886.   codecs

  1887. 

  1888. 

  1889. version 0.3.4:

  1890. 

  1891. - added stereo in MPEG audio encoder

  1892. 

  1893. 

  1894. version 0.3.3:

  1895. 

  1896. - added 'high quality' mode which use motion vectors. It can be used in

  1897.   real time at low resolution.

  1898. - fixed rounding problems which caused quality problems at high

  1899.   bitrates and large GOP size

  1900. 

  1901. 

  1902. version 0.3.2: small fixes

  1903. 

  1904. - ASF fixes

  1905. - put_seek bug fix

  1906. 

  1907. 

  1908. version 0.3.1: added avi/divx support

  1909. 

  1910. - added AVI support

  1911. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec

  1912. - added sound for flash format (not tested)

  1913. 

  1914. 

  1915. version 0.3: initial public release