增加直播相机切换live_camera_change。

cloud-sdk/src/main/java/com/dji/sdk/cloudapi/livestream/CameraPositionEnum.java

+package com.dji.sdk.cloudapi.livestream;
+
+import com.dji.sdk.exception.CloudSDKException;
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
+
+import java.util.Arrays;
+
+/**
+ * @author sean
+ * @version 1.7
+ * @date 2023/6/25
+ */
+public enum CameraPositionEnum {
+
+    INSIDE(0),
+
+    OUTSIDE(1);
+
+    private final int type;
+
+    CameraPositionEnum(int type) {
+        this.type = type;
+    }
+
+    @JsonValue
+    public int getType() {
+        return type;
+    }
+
+    @JsonCreator
+    public static CameraPositionEnum find(int videoType) {
+        return Arrays.stream(values()).filter(typeEnum -> typeEnum.type == videoType).findAny()
+                .orElseThrow(() -> new CloudSDKException(CameraPositionEnum.class , videoType));
+    }
+}

cloud-sdk/src/main/java/com/dji/sdk/cloudapi/livestream/LiveCameraChangeRequest.java

+package com.dji.sdk.cloudapi.livestream;
+
+import com.dji.sdk.cloudapi.device.VideoId;
+import com.dji.sdk.common.BaseModel;
+
+import javax.validation.constraints.NotNull;
+
+/**
+ * @author sean
+ * @version 1.7
+ * @date 2023/5/23
+ */
+public class LiveCameraChangeRequest extends BaseModel {
+
+    @NotNull
+    private CameraPositionEnum cameraPosition;
+
+    /**
+     * The format is #{uav_sn}/#{camera_id}/#{video_index},
+     * drone serial number/payload and mounted location enumeration value/payload lens numbering
+     */
+    @NotNull
+    private VideoId videoId;
+
+    public LiveCameraChangeRequest() {
+    }
+
+    @Override
+    public String toString() {
+        return "LiveLensChangeRequest{" +
+                "cameraPosition=" + cameraPosition +
+                ", videoId=" + videoId +
+                '}';
+    }
+
+    public CameraPositionEnum getCameraPosition() {
+        return cameraPosition;
+    }
+
+    public LiveCameraChangeRequest setCameraPosition(CameraPositionEnum cameraPosition) {
+        this.cameraPosition = cameraPosition;
+        return this;
+    }
+
+    public VideoId getVideoId() {
+        return videoId;
+    }
+
+    public LiveCameraChangeRequest setVideoId(VideoId videoId) {
+        this.videoId = videoId;
+        return this;
+    }
+}

cloud-sdk/src/main/java/com/dji/sdk/cloudapi/livestream/LiveStreamMethodEnum.java

@@ -15,6 +15,8 @@ public enum LiveStreamMethodEnum {
 
     LIVE_SET_QUALITY("live_set_quality"),
 
+    LIVE_CAMERA_CHANGE("live_camera_change"),
+
     LIVE_LENS_CHANGE("live_lens_change");
 
     private final String method;

cloud-sdk/src/main/java/com/dji/sdk/cloudapi/livestream/api/AbstractLivestreamService.java

@@ -103,5 +103,18 @@ public abstract class AbstractLivestreamService {
                 DEFAULT_TIMEOUT);
     }
 
+    /**
+     * 直播相机切换
+     * @param gateway
+     * @param request   data
+     * @return  services_reply
+     */
+    public TopicServicesResponse<ServicesReplyData> liveCameraChange(GatewayManager gateway, LiveCameraChangeRequest request) {
+        return servicesPublish.publish(
+                gateway.getGatewaySn(),
+                LiveStreamMethodEnum.LIVE_CAMERA_CHANGE.getMethod(),
+                request,
+                DEFAULT_TIMEOUT);
+    }
 
 }

sample/src/main/java/com/dji/sample/manage/controller/LiveStreamController.java

@@ -98,4 +98,9 @@ public class LiveStreamController {
         return liveStreamService.liveLensChange(liveParam);
     }
 
+    @PostMapping("/streams/liveCameraChange")
+    public HttpResultResponse liveCameraChange(@RequestBody LiveTypeDTO liveParam) {
+        return liveStreamService.liveCameraChange(liveParam);
+    }
+
 }
\ No newline at end of file

sample/src/main/java/com/dji/sample/manage/model/dto/LiveTypeDTO.java

 package com.dji.sample.manage.model.dto;
 
 import com.dji.sdk.cloudapi.device.VideoId;
+import com.dji.sdk.cloudapi.livestream.CameraPositionEnum;
 import com.dji.sdk.cloudapi.livestream.LensChangeVideoTypeEnum;
 import com.dji.sdk.cloudapi.livestream.UrlTypeEnum;
 import com.dji.sdk.cloudapi.livestream.VideoQualityEnum;
@@ -27,4 +28,7 @@ public class LiveTypeDTO {
 
     private LensChangeVideoTypeEnum videoType;
 
+    @JsonProperty("camera_position")
+    private CameraPositionEnum cameraPosition;
+
 }
\ No newline at end of file

sample/src/main/java/com/dji/sample/manage/model/enums/LiveStreamMethodEnum.java

@@ -18,6 +18,8 @@ public enum LiveStreamMethodEnum {
 
     LIVE_LENS_CHANGE("live_lens_change"),
 
+    LIVE_CAMERA_CHANGE("live_camera_change"),
+
     UNKNOWN("unknown");
 
     private String method;

sample/src/main/java/com/dji/sample/manage/service/ILiveStreamService.java

@@ -56,4 +56,12 @@ public interface ILiveStreamService {
      * @return
      */
     HttpResultResponse liveLensChange(LiveTypeDTO liveParam);
+
+    /**
+     * 直播相机切换
+     * @param liveParam
+     * @return
+     */
+    HttpResultResponse liveCameraChange(LiveTypeDTO liveParam);
+
 }

sample/src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java

@@ -198,6 +198,24 @@ public class LiveStreamServiceImpl implements ILiveStreamService {
         return HttpResultResponse.success();
     }
 
+    @Override
+    public HttpResultResponse liveCameraChange(LiveTypeDTO liveParam) {
+        HttpResultResponse<DeviceDTO> responseResult = this.checkBeforeLive(liveParam.getVideoId());
+        if (HttpResultResponse.CODE_SUCCESS != responseResult.getCode()) {
+            return responseResult;
+        }
+        TopicServicesResponse<ServicesReplyData> response = abstractLivestreamService.liveCameraChange(
+                SDKManager.getDeviceSDK(responseResult.getData().getDeviceSn()), new LiveCameraChangeRequest()
+                        .setCameraPosition(liveParam.getCameraPosition())
+                        .setVideoId(liveParam.getVideoId()));
+
+        if (!response.getData().getResult().isSuccess()) {
+            return HttpResultResponse.error(response.getData().getResult());
+        }
+
+        return HttpResultResponse.success();
+    }
+
     /**
      * Check if this lens is available live.
      * @param videoId