The activeSourceBuffers read-only property of the MediaSource interface returns a SourceBufferList object containing a subset of the SourceBuffer objects contained within SourceBuffers — the list of objects providing the selected video track,  enabled audio tracks, and shown/hidden text tracks.

activeSourceBuffers API Audio Experimental MediaSource MediaSourceExtensions MSE Property Reference Video

API Audio audio Experimental Expérimental Extensions Interface Media MediaSource MSE Reference source Source Video video

The addSourceBuffer() method of the MediaSource interface creates a new SourceBuffer of the given MIME type and adds it to the MediaSource's SourceBuffers list.

addSourceBuffer API Audio Experimental Media Source Extensions MediaSource Method MSE Reference Video

The duration property of the MediaSource interface gets and sets the duration of the current media being presented.

API Audio duration Experimental Media Source Extensions MediaSource MSE Property Reference Video

The endOfStream() method of the MediaSource interface signals the end of the stream.

API Audio endOfStream Experimental Media Source Extensions MediaSource Method MSE Reference Video

The isTypeSupported() method of the MediaSource interface returns a Boolean value indicating if the given MIME type is supported by the current user agent — this is, if it can successfully create SourceBuffer objects for that MIME type.

API Audio Experimental isTypeSupported Media Source Extensions MediaSource Method MSE Reference Video

The MediaSource() constructor of the MediaSource interface constructs and returns a new MediaSource object with no associated source buffers.

API Audio Constructor Experimental Media Source Extensions MediaSource MSE Reference Video

The readyState read-only property of the MediaSource interface returns an enum representing the state of the current MediaSource. The three possible values are:

API Audio Experimental Media Source Extensions MediaSource MSE Property readyState Reference Video

The removeSourceBuffer() method of the MediaSource interface removes the given SourceBuffer from the SourceBuffers list associated with this MediaSource object.

API Audio Experimental Media Source Extensions MediaSource Method MSE Reference removeSourceBuffer Video

The sourceBuffers read-only property of the MediaSource interface returns a SourceBufferList object containing the list of SourceBuffer objects associated with this MediaSource.

API Audio Experimental Media Source Extensions MediaSource MSE Property Reference sourceBuffers Video