问安卓在录制视频时禁用Camera2自动对焦

EN

 /** Requests used for preview only in the [CameraCaptureSession] */
    private val previewRequest: CaptureRequest by lazy {
        // Capture request holds references to target surfaces
        cameraCaptureSession.device.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW).apply {
            // Add the preview surface target
            // viewFinder.holder.setFixedSize(videoSize?.width!!, videoSize?.height!!)
            addTarget(viewFinder.holder.surface)

            // code of your interest
            set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_CANCEL)
            set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_OFF)
            set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_OFF)
            set(CaptureRequest.CONTROL_AE_ANTIBANDING_MODE, CaptureRequest.CONTROL_AE_ANTIBANDING_MODE_OFF)
            set(CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER, CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER_CANCEL)
        }.build()
    }

    /** Requests used for preview and recording in the [CameraCaptureSession] */
    private val recordRequest: CaptureRequest by lazy {
        // Capture request holds references to target surfaces
        cameraCaptureSession.device.createCaptureRequest(CameraDevice.TEMPLATE_RECORD).apply {
            // Add the preview and recording surface targets
            addTarget(viewFinder.holder.surface)
            addTarget(recorderSurface)
            // Sets user requested FPS for all targets
            // set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, Range(args.fps, args.fps))
            set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, Range(0, 0))

            // code of your interest
            set(CaptureRequest.CONTROL_AF_TRIGGER, CameraMetadata.CONTROL_AF_TRIGGER_CANCEL)
            set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_OFF)
            set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_OFF)
            set(CaptureRequest.CONTROL_AE_ANTIBANDING_MODE, CaptureRequest.CONTROL_AE_ANTIBANDING_MODE_OFF)
            set(CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER, CaptureRequest.CONTROL_AE_PRECAPTURE_TRIGGER_CANCEL)
        }.build()
    }