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WebM is an audiovisual media file format. [5] ... the LiVES video editor has support for realtime decoding and for encoding to WebM format using ffmpeg libraries.
Original file (WebM audio/video file, VP9/Opus, length 5 min 0 s, 960 × 720 pixels, 920 kbps overall, file size: 32.91 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
FFmpeg is a free and open-source software project consisting of a suite of libraries ... Starting with version 0.6, FFmpeg also supported WebM and VP8. [28] In ...
Digital 3D is only supported at the container format level in Matroska, [41] MXF [43] and WebM (some stereo modes). [39] M2TS supports Digital 3D as multiple files in a specific file structure for encoding stereoscopic video: MVC stereoscopic data is in .ssif files in the /BDMV/STREAM/SSIF/ directory and require a respective base .m2ts file.
That is the case with some video file formats, such as WebM (.webm), Windows Media Video (.wmv), Flash Video (.flv), and Ogg Video (.ogv), each of which can only contain a few well-defined subtypes of video and audio coding formats, making it relatively easy to know which codec will play the file.
Video converters are computer programs that can change the storage format of digital video. They may recompress the video to another format in a process called transcoding, or may simply change the container format without changing the video format.
VirtualDub2 has built-in encode/decode of any container and video and audio compression formats supported by FFmpeg (H.264, HEVC, VP9, AAC, Opus and other formats) and can open and save QuickTime File Format (MOV), MP4, Matroska, WebM, AVI based on FFmpeg or only the audio from a video in M4A, Opus in Matroska, Ogg Opus, Vorbis, AAC or MP3 formats.
Note that operating system support does not mean whether video encoded with the codec can be played back on the particular operating system – for example, video encoded with the DivX codec is playable on Unix-like systems using free MPEG-4 ASP decoders (FFmpeg MPEG-4 or Xvid), but the DivX codec (which is a software product) is only available ...