how disable black bars on ios ?

[s4ngu3]

<NodeCameraView style={{

                flex: 1

            }}
            ref={setCameraRef}
            outputUrl={`${global.EVIPLIVE}/live/${global.userid}`}
            camera={{ cameraId: 1, cameraFrontMirror: true }}
            /* audio={global.audioConfig} 
             video={global.videoConfig}*/

            audio={{ bitrate: 32000, profile: 0, samplerate: 44100 }}
            video={{ preset: 13, bitrate: 2000000, profile: 1, fps: 30, videoFrontMirror: false }}
            keyFrameInterval={2}
            smoothSkinLevel={global.smoothSkinLevel}
            denoise={global.denoise}
            autopreview={true}
            onStatus={(code, msg) => {
                console.log("onStatus=" + code + " msg=" + msg);
            }}


        >