ns: {
                fullscreen: showOperateBtns,
                screenshot: showOperateBtns,
                play: showOperateBtns,
                audio: showOperateBtns,
                ptz: showOperateBtns,
                quality: showOperateBtns,
                performance: showOperateBtns,
            },
            timeout: 20,
            heartTimeoutReplayUseLastFrameShow: true,
            audioEngine: $audioEngine.value,
            qualityConfig: ['普清', '高清', '超清', '4K', '8K'],
 