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FFmpeg is a free and open-source software project consisting of a suite of libraries and programs for handling video, audio, and other multimedia files and streams. At its core is the command-line ffmpeg tool itself, designed for processing video and audio files.
Free and open-source software portal; libavcodec is a free and open-source [4] library of codecs for encoding and decoding video and audio data. [5]libavcodec is an integral part of many open-source multimedia applications and frameworks.
HandBrake's backend contains comparatively little original code; the program is an integration of many third-party audio and video libraries, both codecs (such as FFmpeg, x264, and x265) and other components such as video deinterlacers (referred to as "filters").
Instead of the M parameter, the maximal count of B-frames between two consecutive anchor frames can be used; this is the approach used by ffmpeg. [7] Examples: For M=3, N=12, the GOP structure is IBBPBBPBBPBB. There are 2 B-frames between two consecutive anchor frames. For the sequence IBBBBPBBBBPBBBB, GOP size N=15, anchor-distance M=5. There ...
The encoder and decoder have been part of the free, open-source library libavcodec in the project FFmpeg since June 2003. [5] FFV1 is also included in ffdshow and LAV Filters, [6] which makes the video codec available to Microsoft Windows applications that support system-wide codecs over Video for Windows (VfW) or DirectShow.
For example, Google uses ffmpeg to support a wide range of upload video formats for YouTube. [1] One widely used media player using the ffmpeg libraries is the free software VLC media player, which can play most video files that end users will encounter.
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x264 provides a command line interface as well as an API.The former is used by many graphical user interfaces, such as Staxrip [4] and MeGUI. [5] The latter is used by many other interfaces, such as HandBrake [6] and FFmpeg.