Trilium Frontend API
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    Interface MediaSource

    The MediaSource interface of the Media Source Extensions API represents a source of media data for an HTMLMediaElement object. A MediaSource object can be attached to a HTMLMediaElement to be played in the user agent.

    MDN Reference

    interface MediaSource {
        activeSourceBuffers: SourceBufferList;
        duration: number;
        onsourceclose: (this: MediaSource, ev: Event) => any;
        onsourceended: (this: MediaSource, ev: Event) => any;
        onsourceopen: (this: MediaSource, ev: Event) => any;
        readyState: ReadyState;
        sourceBuffers: SourceBufferList;
        addEventListener<K extends keyof MediaSourceEventMap>(
            type: K,
            listener: (this: MediaSource, ev: MediaSourceEventMap[K]) => any,
            options?: boolean | AddEventListenerOptions,
        ): void;
        addEventListener(
            type: string,
            listener: EventListenerOrEventListenerObject,
            options?: boolean | AddEventListenerOptions,
        ): void;
        addSourceBuffer(type: string): SourceBuffer;
        clearLiveSeekableRange(): void;
        dispatchEvent(event: Event): boolean;
        endOfStream(error?: EndOfStreamError): void;
        removeEventListener<K extends keyof MediaSourceEventMap>(
            type: K,
            listener: (this: MediaSource, ev: MediaSourceEventMap[K]) => any,
            options?: boolean | EventListenerOptions,
        ): void;
        removeEventListener(
            type: string,
            listener: EventListenerOrEventListenerObject,
            options?: boolean | EventListenerOptions,
        ): void;
        removeSourceBuffer(sourceBuffer: SourceBuffer): void;
        setLiveSeekableRange(start: number, end: number): void;
    }

    Hierarchy

    • EventTarget
      • MediaSource
    Index

    Properties

    activeSourceBuffers duration onsourceclose onsourceended onsourceopen readyState sourceBuffers

    Methods

    addEventListener addSourceBuffer clearLiveSeekableRange dispatchEvent endOfStream removeEventListener removeSourceBuffer setLiveSeekableRange

    Properties

    activeSourceBuffers: SourceBufferList

    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.

    MDN Reference

    duration: number

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

    MDN Reference

    onsourceclose: (this: MediaSource, ev: Event) => any

    MDN Reference

    onsourceended: (this: MediaSource, ev: Event) => any

    MDN Reference

    onsourceopen: (this: MediaSource, ev: Event) => any

    MDN Reference

    readyState: ReadyState

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

    MDN Reference

    sourceBuffers: SourceBufferList

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

    MDN Reference

    Methods

    • 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. The new SourceBuffer is also returned.

      MDN Reference

      Parameters

      • type: string

      Returns SourceBuffer

    • The clearLiveSeekableRange() method of the MediaSource interface clears a seekable range previously set with a call to setLiveSeekableRange().

      MDN Reference

      Returns void

    • The dispatchEvent() method of the EventTarget sends an Event to the object, (synchronously) invoking the affected event listeners in the appropriate order. The normal event processing rules (including the capturing and optional bubbling phase) also apply to events dispatched manually with dispatchEvent().

      MDN Reference

      Parameters

      • event: Event

      Returns boolean

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

      MDN Reference

      Parameters

      Returns void

    • The removeEventListener() method of the EventTarget interface removes an event listener previously registered with EventTarget.addEventListener() from the target. The event listener to be removed is identified using a combination of the event type, the event listener function itself, and various optional options that may affect the matching process; see Matching event listeners for removal.

      MDN Reference

      Type Parameters

      Parameters

      Returns void

    • The removeEventListener() method of the EventTarget interface removes an event listener previously registered with EventTarget.addEventListener() from the target. The event listener to be removed is identified using a combination of the event type, the event listener function itself, and various optional options that may affect the matching process; see Matching event listeners for removal.

      MDN Reference

      Parameters

      Returns void

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

      MDN Reference

      Parameters

      Returns void

    • The setLiveSeekableRange() method of the MediaSource interface sets the range that the user can seek to in the media element.

      MDN Reference

      Parameters

      • start: number
      • end: number

      Returns void

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