GStreamer: open source multimedia frameworkA pipeline that plays a WebM file: filesrc, matroskademux, then a video branch (dav1ddec, videoconvert, autovideosink) and an audio branch (opusdec, audioconvert, autoaudiosink)A pipeline that plays a WebM file: filesrc, matroskademux, then a video branch (dav1ddec, videoconvert, autovideosink) and an audio branch (opusdec, audioconvert, autoaudiosink)