getMediaDevices (Obtaining the Device List)

Interface Description

This interface is invoked to obtain the local device list, such as the microphone and speaker.

Notes

This interface can be invoked only after an account is successfully registered.

Method Definition

OpenEyeCall.prototype.getMediaDevices = function(type, callbacks)

Parameter Description

**Table 1** Parameter description
Parameter	Type	Mandatory/Optional	Description
type	Number	Mandatory	Device type. The value 0 indicates a microphone, and the value 1 indicates a speaker.
callbacks	Callback	Optional	Callback method.

**Table 2** Callback
Parameter	Type	Mandatory/Optional	Description
response	function	Mandatory	For details about the input parameters of the callback method, see Table 3.

**Table 3** Input parameters of the callback method
Parameter	Type	Description
description	String	Description of the current request.
result	Number	Query result. The value 0 indicates success and other values indicate failure.
rsp	Number	Internal message ID.
param	Param	Device information.

**Table 4** Param
Parameter	Type	Description
array	Device (Table 5) array	Device list.
device_num	Number	Number of devices.

**Table 5** Devices
Parameter	Type	Description
camera_orient	Number	Reserved field.
index	Number	Serial number of a device.
name	String	Device name.

The following is an example of input parameters of the callback method:

{
   "description" : "tsdk_get_devices",
   "param" : {
      "deviceInfo" : [
         {
                "cameraOrient":0,
		"deviceId":0,
		"deviceName":
		"default: Speaker (Huawei HDP Audio Driver)",
		"index":0

         },
         {
                "cameraOrient":0,
		"deviceId":0,
		"deviceName":"Speaker (Huawei HDP Audio Driver)"
		"index":1
         }
      ],
      "deviceType": 1,
      "num" : 2
   },
   "result" : 0,
   "rsp" : 67550
}

Examples

function getMediaDevices() {
    global_openEye_SDK.openEyeCall.getMediaDevices(1, {
        response: getMediaDevicesResponse
    });
}

function getMediaDevicesResponse(data) {
    console.info(data);
    if (data.result == 0) {
        console.info("GetMediaDevices success");
    } else {
        console.error("GetMediaDevices failed");
    }
}

Parent topic: Device Management

Previous topic: Device Management

Next topic: setMicIndex (Setting the Microphone)