{"id":36862,"date":"2019-10-31T22:14:21","date_gmt":"2019-10-31T19:14:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-multimedia-paketa-ffmpeg-4-2\/"},"modified":"2019-10-31T22:14:21","modified_gmt":"2019-10-31T19:14:21","slug":"vypusk-multimedia-paketa-ffmpeg-4-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/en\/blog\/news\/vypusk-multimedia-paketa-ffmpeg-4-2","title":{"rendered":"Release of multimedia package FFmpeg 4.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>After nine months of development <noindex><a rel=\"nofollow\" href=\"http:\/\/ffmpeg.org\/download.html#release_4.2\">is available<\/a><\/noindex> multimedia package <noindex><a rel=\"nofollow\" href=\"http:\/\/ffmpeg.org\/\">FFmpeg 4.2<\/a><\/noindex>, including a set of applications and a collection of libraries for operations on various multimedia formats (recording, converting and decoding audio and video formats). The package is distributed under LGPL and GPL licenses, and FFmpeg development is carried out concurrently with the project <noindex><a rel=\"nofollow\" href=\"http:\/\/www.mplayerhq.hu\/\">MPlayer<\/a><\/noindex>. <\/p>\n<p>From <noindex><a rel=\"nofollow\" href=\"http:\/\/git.videolan.org\/?p=ffmpeg.git;a=blob;f=RELEASE_NOTES;hb=release\/4.2\">the changes<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/git.videolan.org\/?p=ffmpeg.git;a=blob;f=Changelog;hb=release\/4.2\">added<\/a><\/noindex> In FFmpeg 4.2, the following features can be highlighted: <\/p>\n<ul>\n<li class=\"l\"> Added the ability to use Clang for compiling CUDA files;\n<li class=\"l\"> Implemented support for decoding the AV1 format using an alternative decoder <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50605\">dav1d<\/a><\/noindex>, developed by the VideoLAN and FFmpeg projects. Dav1d is focused on achieving maximum possible decoding performance and ensuring quality operation in multithreaded mode;\n<li class=\"l\"> Added media container demuxers for dhav, hcom, vividas, KUX, and IFV;\n<li class=\"l\"> Added PCM-DVD encoder;\n<li class=\"l\"> Added decoders for VP4, hymt, hcom, ARBC, agm, and lscr;\n<li class=\"l\"> Provided support for decoding HEVC 4:4:4 content using NVIDIA hardware acceleration engines nvdec and cuviddec, as well as using the VDPAU (Video Decode and Presentation) API;\n<li class=\"l\"> In the mov media container packager, tracks can now be recorded without explicitly defining the language (previously, English was the default);\n<li class=\"l\"> New <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html\">filters<\/a><\/noindex>:\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#asr\">asr<\/a><\/noindex> \u2014 automatic speech recognition using the PocketSphinx engine;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#derain\">derain<\/a><\/noindex> \u2014 removes rain from video using a machine learning system based on a neural network;  <noindex><a rel=\"nofollow\" href=\"http:\/\/openaccess.thecvf.com\/content_ECCV_2018\/papers\/Xia_Li_Recurrent_Squeeze-and-Excitation_Context_ECCV_2018_paper.pdf\">RESCAN<\/a><\/noindex> and ready <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/XueweiMeng\/derain_filter.git\">models<\/a><\/noindex>;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#freezedetect\">freezedetect<\/a><\/noindex> \u2014 detection of the absence of changes in video (unchanging image for a specified time);\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#tpad\">tpad<\/a><\/noindex> \u2014 adding additional frame sets at the beginning or end of the video stream;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#dedot\">dedot<\/a><\/noindex> \u2014 smoothing brightness and color artifacts (light spots and rainbow) in video;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#chromashift\">chromashift\/rgbashift<\/a><\/noindex> \u2014 shifting pixel color components horizontally and vertically;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ffmpeg.org\/ffmpeg-bitstream-filters.html#truehd_005fcore\">truehd_core<\/a><\/noindex> \u2014 extracting the base stream from TrueHD, discarding ATMOS metadata;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#anlmdn\">anlmdn<\/a><\/noindex> \u2014 suppressing broadband noise in the audio stream using an algorithm; <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Non-local_means\">of non-local means;<\/a><\/noindex>;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#maskfun\">maskfun<\/a><\/noindex> \u2014 creating a mask based on the submitted input video;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ffmpeg.org\/ffmpeg-bitstream-filters.html\">AV1 frame split<\/a><\/noindex> \u2014 splitting frames in the AV1 stream;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#lagfun\">lagfun<\/a><\/noindex> \u2014 slowing down color changes of dark pixels (increasing the display time of bright flashes);\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#asoftclip\">asoftclip<\/a><\/noindex> \u2014 soft audio fade-out (gradual amplitude reduction instead of a sharp signal cutoff);\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#colorhold\">colorhold<\/a><\/noindex> \u2014 removing information about all RGB colors except the specified one;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#xmedian\">xmedian<\/a><\/noindex> \u2014 extracting the average intersection of pixels for multiple input videos;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#showspatial\">showspatial<\/a><\/noindex> \u2014 converting stereo audio in video to display spatial interaction between two audio channels;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/ffmpeg.org\/ffmpeg-filters.html#deesser\">deesser<\/a><\/noindex> \u2014 eliminating distortions caused by a low-quality microphone or excessive sound compression when recording voice (removing the canned sound effect).\n<\/ul>\n<li class=\"l\"> Includes a parser for GIF image format;\n<li class=\"l\"> Added support for subtitles in ARIB STD-B24 encoding (profiles A and C) used for MPEG-2 TS streaming. Support is implemented via the libaribb24 library;\n<li class=\"l\"> Removed the libndi-newtek library.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51227\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0434\u0435\u0432\u044f\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0430-\u043f\u0430\u043a\u0435\u0442 FFmpeg 4.2, \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0438\u0439 \u043d\u0430\u0431\u043e\u0440 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u044e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a \u0434\u043b\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u043d\u0430\u0434 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0430-\u0444\u043e\u0440\u043c\u0430\u0442\u0430\u043c\u0438 (\u0437\u0430\u043f\u0438\u0441\u044c, \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u0432\u0443\u043a\u043e\u0432\u044b\u0445 \u0438 \u0432\u0438\u0434\u0435\u043e\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0432). \u041f\u0430\u043a\u0435\u0442 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044f\u043c\u0438 LGPL \u0438 GPL, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 FFmpeg \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u0441\u043c\u0435\u0436\u043d\u043e \u0441 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c MPlayer. \u0418\u0437 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0432 FFmpeg 4.2, \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0434\u0435\u043b\u0438\u0442\u044c: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f Clang \u0434\u043b\u044f \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u0444\u0430\u0439\u043b\u043e\u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-36862","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0434\u0435\u0432\u044f\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0430-\u043f\u0430\u043a\u0435\u0442 FFmpeg.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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