视频监控的通道 streamName怎么获取 java代码
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要获取视频监控的通道streamName
,您可以使用阿里云相关服务的API调用。具体到Java代码实现,您可以通过调用ListStreamsForCameras
接口来获取视频流信息,包括streamName
。以下是根据参考资料整理的示例代码:
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.IAcsClient;
import com.aliyuncs.exceptions.ClientException;
import com.aliyuncs.cityvisual.model.v20180608.ListStreamsForCamerasRequest;
import com.aliyuncs.cityvisual.model.v20180608.ListStreamsForCamerasResponse;
public class StreamNameFetcher {
public static void main(String[] args) {
// 初始化客户端,替换为您的AccessKeyId、AccessKeySecret和Endpoint
String accessKeyId = "<your-access-key-id>";
String accessKeySecret = "<your-access-key-secret>";
String regionId = "<your-region-id>"; // 可选参数,如不提供将使用默认区域
String endpoint = "<your-endpoint>";
IAcsClient client = new DefaultAcsClient(
new SystemPropertiesCredentialsProvider(accessKeyId, accessKeySecret),
endpoint
);
ListStreamsForCamerasRequest request = new ListStreamsForCamerasRequest();
request.setAction("ListStreamsForCameras");
request.setInstanceId("<your-instance-id>");
// 替换为您需要查询的视频点位ID,可以是单个ID或符合格式的JSON数组
request.setCameraIds("[\"cameraId1\", \"cameraId2\"]");
try {
ListStreamsForCamerasResponse response = client.getAcsResponse(request);
if (response.getStreams() != null && response.getStreams().getStream() != null) {
for (ListStreamsForCamerasResponse.Streams.Stream stream : response.getStreams().getStream()) {
System.out.println("StreamName: " + stream.getStreamName());
System.out.println("StreamUrl: " + stream.getStreamUrl());
}
} else {
System.out.println("No streams found for the given camera IDs.");
}
} catch (ClientException e) {
System.err.println("Failed to list streams: " + e.getMessage());
}
}
}
endpoint
以指向正确的服务地址。instanceId
、cameraIds
等参数。通过执行上述代码,您将能够获取指定视频点位的streamName
及streamUrl
信息。