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onvif學習5－視訊點播實作

ONVIF Profile S Specification文檔描述了Device或者說DVT和Client可以使用的一種Profile，Profile這個詞在計算機領域非常常見，我們可以了解成一種方案、配置、架構等。

文檔裡描述了如果實作VideoStream，device和client應該具備的條件，當然如果實作文檔的所有條件，就可以說該裝置符合Profile S

如果單純實作VideoStream，隻需完成下列指令。

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  1. 1、GetProfiles  
  2. 2、GetStreamUri   
  3. 填充rtsp路徑，例如：rtsp://192.168.1.201/petrov.m4e  
  4. 3、Media Streaming using RTSP  
  5. 這裡使用開源的live555，完成rtsp功能  
  6. 4、GetVideoEncoderConfiguration  
  7. 5、GetVideoEncoderConfigurationOptions  
  8. 6、GetCapabilities  
  9. NVC為了擷取DVT所支援的功能的指令  

參考文檔：

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  1. 1、ONVIF Profile S Specification  
  2. 描述ProfileS是什麼樣的一個東西，如何實作  
  3. 2、Reference_of_ONVIF_Development_v1.01.02  
  4. Onvif DVT設計參考，指明了一條道路，但沒有具體内容  
  5. 3、ONVIF-Media-Service-Spec-v220  
  6. Onvif Media的說明介紹  
  7. 4、http://www.onvif.org/onvif/ver20/util/operationIndex.html  
  8. onvif幾乎全部指令的詳細說明，非常重要。該文檔告訴我們結構體成員的意義和如何填充。Onvif開發其實就是各種結構體的填充。  

一、産生onvif源碼架構

1、從wsdl生成C頭檔案

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  1. wsdl2h -o onvif.h -c -s -t .\typemap.dat http://www.onvif.org/onvif/ver10/device/wsdl/devicemgmt.wsdl http://www.onvif.org/onvif/ver10/event/wsdl/event.wsdl http://www.onvif.org/onvif/ver10/display.wsdl http://www.onvif.org/onvif/ver10/deviceio.wsdl http://www.onvif.org/onvif/ver20/imaging/wsdl/imaging.wsdl http://www.onvif.org/onvif/ver10/media/wsdl/media.wsdl http://www.onvif.org/onvif/ver20/ptz/wsdl/ptz.wsdl  http://www.onvif.org/onvif/ver10/receiver.wsdl http://www.onvif.org/onvif/ver10/recording.wsdl  http://www.onvif.org/onvif/ver10/search.wsdl http://www.onvif.org/onvif/ver10/network/wsdl/remotediscovery.wsdl http://www.onvif.org/onvif/ver10/replay.wsdl http://www.onvif.org/onvif/ver20/analytics/wsdl/analytics.wsdl http://www.onvif.org/onvif/ver10/analyticsdevice.wsdl  http://www.onvif.org/onvif/ver10/schema/onvif.xsd  http://www.onvif.org/ver10/actionengine.wsdl  

跟前一篇discovery唯一不同的是，這裡多了很多wsdl檔案，這次建立完整的onvif代碼架構

2、從頭檔案生成源碼架構

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  1. soapcpp2 -c onvif.h -x -I /root/onvif/gsoap-2.8/gsoap/import -I /root/onvif/gsoap-2.8/gsoap/  

産生的C檔案比較龐大，最大的有十幾兆，大部分的内容沒有複用導緻。

二、建立soap運作環境

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  1. int main(int argc, char **argv)    
  2. {    
  3.     int m, s;    
  4.     struct soap add_soap;    
  5.     int server_udp;  
  6.     server_udp = create_server_socket_udp();  
  7.     //bind_server_udp1(server_udp);  
  8.     pthread_t thrHello;  
  9.     pthread_t thrProbe;  
  10.     //pthread_create(&thrHello,NULL,main_Hello,server_udp);  
  11.     //sleep(2);  
  12.     pthread_create(&thrProbe,NULL,main_Probe,server_udp);  
  13.     soap_init(&add_soap);    
  14.     soap_set_namespaces(&add_soap, namespaces);    
  15.     if (argc < 0) {    
  16.         printf("usage: %s <server_port> \n", argv[0]);    
  17.         exit(1);    
  18.     } else {    
  19.         m = soap_bind(&add_soap, NULL, 80, 100);    
  20.         if (m < 0) {    
  21.             soap_print_fault(&add_soap, stderr);    
  22.             exit(-1);    
  23.         }    
  24.         fprintf(stderr, "Socket connection successful: master socket = %d\n", m);    
  25.         for (;;) {    
  26.             s = soap_accept(&add_soap);    
  27.             if (s < 0) {    
  28.                 soap_print_fault(&add_soap, stderr);    
  29.                 exit(-1);    
  30.             }    
  31.             fprintf(stderr, "Socket connection successful: slave socket = %d\n", s);    
  32.             soap_serve(&add_soap);    
  33.             soap_end(&add_soap);    
  34.         }    
  35.     }    
  36.     return 0;    
  37. }   

注意，這裡綁定了80端口，onvif使用的是http請求，然後附帶xml，其實正常的是将onvif內建到web伺服器中，普通的http請求有web伺服器處理，onvif的http請求則有soap處理。我們這裡的做法也可行，隻不過onvif的通路web伺服器的功能是無法使用的。

三、RTSP視訊對接

1、實作GetCapabilities指令

用戶端發送GetCapabilities指令來得到裝置端的能力，然後依據GetCapabilities傳回的結果再來進行下一步操作

在__tds__GetCapabilities函數中我們隻需要填充Media部分和一些必要的即可

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  1. //想要對接RTSP視訊，必須設定Media  
  2. tds__GetCapabilitiesResponse->Capabilities->Media = (struct tt__MediaCapabilities*)soap_malloc(soap, sizeof(struct tt__MediaCapabilities));  
  3. tds__GetCapabilitiesResponse->Capabilities->Media->XAddr = (char *) soap_malloc(soap, sizeof(char) * LARGE_INFO_LENGTH);  
  4. strcpy(tds__GetCapabilitiesResponse->Capabilities->Media->XAddr, _IPv4Address);  
  5. tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities = (struct tt__RealTimeStreamingCapabilities*)soap_malloc(soap, sizeof(struct tt__RealTimeStreamingCapabilities));  
  6. tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTPMulticast = (int *)soap_malloc(soap, sizeof(int));   
  7. *tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTPMulticast = _false;     
  8. tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTP_USCORETCP = (int *)soap_malloc(soap, sizeof(int));  
  9. *tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTP_USCORETCP = _true;     
  10. tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTP_USCORERTSP_USCORETCP = (int *)soap_malloc(soap, sizeof(int));  
  11. *tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->RTP_USCORERTSP_USCORETCP = _true;      
  12. tds__GetCapabilitiesResponse->Capabilities->Media->StreamingCapabilities->Extension = NULL;  
  13. tds__GetCapabilitiesResponse->Capabilities->Media->Extension = NULL;  
  14. tds__GetCapabilitiesResponse->Capabilities->Media->__size = 0;  
  15. tds__GetCapabilitiesResponse->Capabilities->Media->__any = 0;  

另外必要填充的還有

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  1. //下面的重要，這裡隻實作視訊流，需要設定VideoSources  
  2. tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->VideoSources = TRUE;  
  3. tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->VideoOutputs = FALSE;  
  4. tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->AudioSources = FALSE;  
  5. tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->AudioOutputs = FALSE;  
  6. tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->RelayOutputs = FALSE;  
  7. tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->__size = 0;  
  8. tds__GetCapabilitiesResponse->Capabilities->Extension->DeviceIO->__any = NULL;  
  9. tds__GetCapabilitiesResponse->Capabilities->Extension->Display = NULL;  
  10. tds__GetCapabilitiesResponse->Capabilities->Extension->Recording = NULL;  
  11. tds__GetCapabilitiesResponse->Capabilities->Extension->Search = NULL;  
  12. tds__GetCapabilitiesResponse->Capabilities->Extension->Replay = NULL;  
  13. tds__GetCapabilitiesResponse->Capabilities->Extension->Receiver = NULL;  
  14. tds__GetCapabilitiesResponse->Capabilities->Extension->AnalyticsDevice = NULL;  
  15. tds__GetCapabilitiesResponse->Capabilities->Extension->Extensions = NULL;  
  16. tds__GetCapabilitiesResponse->Capabilities->Extension->__size = 0;  
  17. tds__GetCapabilitiesResponse->Capabilities->Extension->__any = NULL;  

2、實作GetServices指令

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  1. int  __tds__GetServices(struct soap* soap, struct _tds__GetServices *tds__GetServices, struct _tds__GetServicesResponse *tds__GetServicesResponse)  
  2. {  
  3.     DBG("__tds__GetServices\n");  
  4.     char _IPAddr[INFO_LENGTH];  
  5.     int i = 0;  
  6.     sprintf(_IPAddr, "http://%03d.%03d.%03d.%03d/onvif/services", 192, 168, 1, 233);  
  7.     tds__GetServicesResponse->__sizeService = 1;  
  8.     tds__GetServicesResponse->Service = (struct tds__Service *)soap_malloc(soap, sizeof(struct tds__Service));  
  9.     tds__GetServicesResponse->Service[0].XAddr = (char *)soap_malloc(soap, sizeof(char) * INFO_LENGTH);  
  10.     tds__GetServicesResponse->Service[0].Namespace = (char *)soap_malloc(soap, sizeof(char) * INFO_LENGTH);  
  11.     strcpy(tds__GetServicesResponse->Service[0].Namespace, "http://www.onvif.org/ver10/events/wsdl");  
  12.     strcpy(tds__GetServicesResponse[0].Service->XAddr, _IPAddr);  
  13.     tds__GetServicesResponse->Service[0].Capabilities = NULL;  
  14.     tds__GetServicesResponse->Service[0].Version = (struct tt__OnvifVersion *)soap_malloc(soap, sizeof(struct tt__OnvifVersion));  
  15.     tds__GetServicesResponse->Service[0].Version->Major = 0;  
  16.     tds__GetServicesResponse->Service[0].Version->Minor = 3;  
  17.     tds__GetServicesResponse->Service[0].__any = (char **)soap_malloc(soap, sizeof(char *));  
  18.     tds__GetServicesResponse->Service[0].__any[0] = (char *)soap_malloc(soap, sizeof(char) * INFO_LENGTH);  
  19.     strcpy(tds__GetServicesResponse->Service[0].__any[0],"why1");  
  20.     tds__GetServicesResponse->Service[0].__any[1] = (char *)soap_malloc(soap,sizeof(char) * INFO_LENGTH);  
  21.     strcpy(tds__GetServicesResponse->Service[0].__any[1],"why2");  
  22.     tds__GetServicesResponse->Service[0].__size = NULL;  
  23.     tds__GetServicesResponse->Service[0].__anyAttribute = NULL;  
  24.     return SOAP_OK;  
  25. }  

3、實作GetVideoSources指令

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  1. int  __tmd__GetVideoSources(struct soap* soap, struct _trt__GetVideoSources *trt__GetVideoSources, struct _trt__GetVideoSourcesResponse *trt__GetVideoSourcesResponse)  
  2. {  
  3.     DBG("__tmd__GetVideoSources\n");  
  4.     int size1;  
  5.     size1 = 1;  
  6.     trt__GetVideoSourcesResponse->__sizeVideoSources = size1;  
  7.     trt__GetVideoSourcesResponse->VideoSources = (struct tt__VideoSource *)soap_malloc(soap, sizeof(struct tt__VideoSource) * size1);  
  8.     trt__GetVideoSourcesResponse->VideoSources[0].Framerate = 30;  
  9.     trt__GetVideoSourcesResponse->VideoSources[0].Resolution = (struct tt__VideoResolution *)soap_malloc(soap, sizeof(struct tt__VideoResolution));  
  10.     trt__GetVideoSourcesResponse->VideoSources[0].Resolution->Height = 720;  
  11.     trt__GetVideoSourcesResponse->VideoSources[0].Resolution->Width = 1280;  
  12.     trt__GetVideoSourcesResponse->VideoSources[0].token = (char *)soap_malloc(soap, sizeof(char)*INFO_LENGTH);  
  13.     strcpy(trt__GetVideoSourcesResponse->VideoSources[0].token,"GhostyuSource_token"); //注意這裡需要和GetProfile中的sourcetoken相同  
  14.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging =(struct tt__ImagingSettings*)soap_malloc(soap, sizeof(struct tt__ImagingSettings));  
  15.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Brightness = (float*)soap_malloc(soap,sizeof(float));  
  16.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Brightness[0] = 128;  
  17.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->ColorSaturation = (float*)soap_malloc(soap,sizeof(float));  
  18.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->ColorSaturation[0] = 128;  
  19.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Contrast = (float*)soap_malloc(soap,sizeof(float));  
  20.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Contrast[0] = 128;  
  21.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->IrCutFilter = (int *)soap_malloc(soap,sizeof(int));  
  22.     *trt__GetVideoSourcesResponse->VideoSources[0].Imaging->IrCutFilter = 0;   
  23.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Sharpness = (float*)soap_malloc(soap,sizeof(float));  
  24.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Sharpness[0] = 128;  
  25.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->BacklightCompensation = (struct tt__BacklightCompensation*)soap_malloc(soap, sizeof(struct tt__BacklightCompensation));  
  26.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->BacklightCompensation->Mode = 0;  
  27.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->BacklightCompensation->Level = 20;  
  28.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Exposure = NULL;  
  29.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Focus = NULL;  
  30.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WideDynamicRange = (struct tt__WideDynamicRange*)soap_malloc(soap, sizeof(struct tt__WideDynamicRange));  
  31.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WideDynamicRange->Mode = 0;     
  32.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WideDynamicRange->Level = 20;  
  33.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WhiteBalance = (struct tt__WhiteBalance*)soap_malloc(soap, sizeof(struct tt__WhiteBalance));  
  34.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WhiteBalance->Mode = 0;   
  35.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WhiteBalance->CrGain = 0;   
  36.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->WhiteBalance->CbGain = 0;   
  37.     trt__GetVideoSourcesResponse->VideoSources[0].Imaging->Extension = NULL;  
  38.     trt__GetVideoSourcesResponse->VideoSources[0].Extension = NULL;    
  39.     return SOAP_OK;  
  40. }  

__tmd__GetVideoSources最重要的是token的填充，必須要和下面profile中的sourcetoken相同，需要比對到這個視訊源

4、實作GetProfiles指令

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  1. size = 1;  
  2. trt__GetProfilesResponse->Profiles =(struct tt__Profile *)soap_malloc(soap, sizeof(struct tt__Profile) * size);  
  3. trt__GetProfilesResponse->__sizeProfiles = size;  
  4. i=0;  
  5. trt__GetProfilesResponse->Profiles[i].Name = (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);  
  6. strcpy(trt__GetProfilesResponse->Profiles[i].Name,"my_profile");  
  7. trt__GetProfilesResponse->Profiles[i].token= (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);  
  8. strcpy(trt__GetProfilesResponse->Profiles[i].token,"token_profile");  
  9. trt__GetProfilesResponse->Profiles[i].fixed = _false;  
  10. trt__GetProfilesResponse->Profiles[i].__anyAttribute = NULL;  

除了上面的基本資訊，還需要填充兩大項：VideoSourceConfiguration和VideoEncoderConfiguration，一個用于描述視訊源的資訊，另外一個描述視訊的編碼資訊

先給VideoSourceConfiguration配置設定空間

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  1. trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration = (struct tt__VideoSourceConfiguration *)soap_malloc(soap,sizeof(struct tt__VideoSourceConfiguration ));  
  2. trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Name = (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);  
  3. trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->token = (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);  
  4. trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->SourceToken = (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);  
  5. trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Bounds = (struct tt__IntRectangle *)soap_malloc(soap,sizeof(struct tt__IntRectangle));  

然後在填充它

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  1. strcpy(trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Name,"VS_Name");  
  2. strcpy(trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->token,"VS_Token");  
  3. strcpy(trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->SourceToken,"GhostyuSource_token");   
  4. trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->UseCount = 1;  
  5. trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Bounds->x = 1;  
  6. trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Bounds->y = 1;  
  7. trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Bounds->height = 720;  
  8. trt__GetProfilesResponse->Profiles[i].VideoSourceConfiguration->Bounds->width = 1280;  

如果是指針必須先用soap_malloc配置設定記憶體，然後才能指派

下面是VideoEncoderConfiguration

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  1. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration = (struct tt__VideoEncoderConfiguration *)soap_malloc(soap,sizeof(struct tt__VideoEncoderConfiguration));  
  2. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Name = (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);  
  3. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->token= (char *)soap_malloc(soap,sizeof(char)*MAX_PROF_TOKEN);  
  4. strcpy(trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Name,"VE_Name1");  
  5. strcpy(trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->token,"VE_token1");  
  6. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->UseCount = 1;  
  7. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Quality = 10;  
  8. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Encoding = 1;//JPEG = 0, MPEG4 = 1, H264 = 2;  
  9. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Resolution = (struct tt__VideoResolution *)soap_malloc(soap, sizeof(struct tt__VideoResolution));  
  10. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Resolution->Height = 720;  
  11. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->Resolution->Width = 1280;  
  12. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->RateControl = (struct tt__VideoRateControl *)soap_malloc(soap, sizeof(struct tt__VideoRateControl));  
  13. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->RateControl->FrameRateLimit = 30;  
  14. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->RateControl->EncodingInterval = 1;  
  15. trt__GetProfilesResponse->Profiles[i].VideoEncoderConfiguration->RateControl->BitrateLimit = 500;  

5、GetVideoSourceConfiguration和GetVideoEncoderConfiguration

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  1. int  __trt__GetVideoSourceConfiguration(struct soap* soap, struct _trt__GetVideoSourceConfiguration *trt__GetVideoSourceConfiguration, struct _trt__GetVideoSourceConfigurationResponse *trt__GetVideoSourceConfigurationResponse)  
  2. {  
  3.     DBG("__trt__GetVideoSourceConfiguration\n");  
  4.     //該函數必要，live video需要  
  5.     return SOAP_OK;  
  6. }  
  7. int  __trt__GetVideoEncoderConfiguration(struct soap* soap, struct _trt__GetVideoEncoderConfiguration *trt__GetVideoEncoderConfiguration, struct _trt__GetVideoEncoderConfigurationResponse *trt__GetVideoEncoderConfigurationResponse)  
  8. {  
  9.     DBG("__trt__GetVideoEncoderConfiguration\n");  
  10.     return SOAP_OK;  
  11. }  

6、GetVideoEncoderConfigurationOptions

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  1. int  __trt__GetVideoEncoderConfigurationOptions(struct soap* soap, struct _trt__GetVideoEncoderConfigurationOptions *trt__GetVideoEncoderConfigurationOptions, struct _trt__GetVideoEncoderConfigurationOptionsResponse *trt__GetVideoEncoderConfigurationOptionsResponse)  
  2. {  
  3.     DBG("__trt__GetVideoEncoderConfigurationOptions\n");  
  4.     //該函數必要，video streaming需要  
  5.     return SOAP_OK;  
  6. }  

以上5、6不分的代碼直接傳回SOAP_OK即可，正常來說是應該填充的，這裡不影響RTSP Video Stream，暫時就不去動它

四、運作live555MediaServer伺服器

live555官網有很多測試檔案，我這裡用的是MPEG4的測試檔案路勁為rtsp://192.168.1.201/petrov.m4e

五、啟動Onvif Device Manager測試

有一個問題，OnvifDeviceManager的并不能自動發現裝置（OnvifTestTool可以），還好它提供了手動添加功能

單擊add，添加如下内容：http://192.168.1.233/onvif/device_service

注意，我在程式中固定了兩個IP：linux192.168.1.233，windows：192.168.1.201，這裡需看情況修改

測試截圖：

1、Live video

onvif學習5－視訊點播實作

2、Video streaming

onvif學習5－視訊點播實作

3、Profiles

onvif學習5－視訊點播實作

最後是運作的live555 rtsp伺服器

onvif學習5－視訊點播實作

終端列印的DEBUG資訊

onvif學習5－視訊點播實作
onvif 詳解 onvif視訊 onvif odm視訊
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