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    Interface StreamingEventMap

    Events a track dispatches related to streaming quality and status.

    interface StreamingEventMap {
        bufferingEnded: AnyRecord;
        bufferingQualityChange: ChangeEvent<MediaQualityMetadata | null>;
        codecUnsupported: CodecUnsupportedEvent;
        contentTypesChange: ChangeEvent<ReadonlySet<ContentType>>;
        error: BasicErrorEvent;
        fetchedRangesChange: AnyRecord;
        loadSpanMeasured: LoadSpanMeasurement;
        playbackQualityChange: ChangeEvent<MediaQualityMetadata | null>;
        qualitiesChange: ChangeEvent<readonly MediaQualityMetadata[]>;
        qualitiesUnfilteredChange: ChangeEvent<readonly MediaQualityMetadata[]>;
        reset: AnyRecord;
        seekRangeChange: ChangeEvent<SeekRange | null>;
        streamingQualityChange: ChangeEvent<MediaQualityMetadata | null>;
    }

    Hierarchy (View Summary)

    Index
    bufferingEnded bufferingQualityChange codecUnsupported contentTypesChange error fetchedRangesChange loadSpanMeasured playbackQualityChange qualitiesChange qualitiesUnfilteredChange reset seekRangeChange streamingQualityChange
    bufferingEnded: AnyRecord

    The last segment has finished appending.

    bufferingQualityChange: ChangeEvent<MediaQualityMetadata | null>

    Dispatched when the currently buffering quality changes. This is dispatched before the segment is appended.

    codecUnsupported: CodecUnsupportedEvent

    A codec the browser reported as supported failed to decode on append and has been denylisted at runtime. The current media should be reloaded so quality selection can fall back to a codec that decodes. Recoverable: this is dispatched instead of an error, and the player reloads the track in response.

    contentTypesChange: ChangeEvent<ReadonlySet<ContentType>>

    The actively streamed content types have changed.

    error: BasicErrorEvent

    Dispatched when a streaming error occurs.

    fetchedRangesChange: AnyRecord

    fetchedRanges have been updated.

    loadSpanMeasured: LoadSpanMeasurement

    A stage of the track load completed. Rather than redispatch this raw measurement, the player attributes it to the current track and republishes it as the loadSpan event.

    playbackQualityChange: ChangeEvent<MediaQualityMetadata | null>

    The currently playing quality has changed.

    qualitiesChange: ChangeEvent<readonly MediaQualityMetadata[]>

    The available qualities for the current period have changed.

    qualitiesUnfilteredChange: ChangeEvent<readonly MediaQualityMetadata[]>

    The available unfiltered qualities for the current period have changed.

    reset: AnyRecord

    Emitted when the error state has been reset.

    seekRangeChange: ChangeEvent<SeekRange | null>

    The seekable range on the media timeline has changed.

    streamingQualityChange: ChangeEvent<MediaQualityMetadata | null>

    Dispatched when the currently streaming quality changes. This is dispatched when a new streaming quality has been requested.

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