EasyNVR RTSP摄像机转HLS直播服务器中使用Onvif协议控制预置位

EasyNVR支持预置位控制，包括转到指定预置位，设置指定预置位，删除指定预置位

预置位在安防领域有较为普遍的应用，可以进行很多既定位置的跳转，很方便

之前我们说过如何用Onvif协议进行设备的发现，探测，以及云台控制等，今天我们来说一下如何使用Onvif进行预置位的操作

流程

获取设备能力Capabilities

获取设备的能力，并且可以获取到Media和PTZ的URI，使用这两个URL可以进行流和预置位操作，这里如果PTZ URI获取不到意味着这个设备无法支持预置位控制

_tds__GetCapabilities* capabilities = soap_new__tds__GetCapabilities(proxyDevice, -1);

tt__CapabilityCategory* category = new tt__CapabilityCategory;

capabilities->Category = category;

*(capabilities->Category) = tt__CapabilityCategory__All;

_tds__GetCapabilitiesResponse* response = soap_new__tds__GetCapabilitiesResponse(proxyDevice, -1);

if (SOAP_OK == proxyDevice->GetCapabilities(capabilities, response))

{

    if (response->Capabilities)

    {

        //Media URI: response->Capabilities->Media->XAddr;

        //PTZ URI: response->Capabilities->PTZ->XAddr;

    }

}

获取Media Profile

_trt__GetProfiles* getProfiles = soap_new__trt__GetProfiles(proxyMedia, -1);

_trt__GetProfilesResponse* response = soap_new__trt__GetProfilesResponse(proxyMedia, -1);

if (SOAP_OK == proxyMedia->GetProfiles(getProfiles, response))

{

    int size = response->__sizeProfiles;

    for (int i = 0; i < size; ++i)

    {

        if (response->Profiles[i])

        {

            //Media Profile Token: response->Profiles[i]->token;

            //一般设备包含多个Profile Token，包含主码流、子码流、第三码流

        }

    }

}

预置位控制

bool result = false;

   PTZBindingProxy* ptzProxy = new PTZBindingProxy;

   ptzProxy->soap_endpoint = ptzUrl.c_str();

   if (!security(ptzProxy, username, password))

   {

       delete ptzProxy;

       return result;

   }

   char presetToken[8];

   itoa(index, presetToken, 10);

   if (command == PRESET_GOTO)

   {

       _tptz__GotoPreset* preset = soap_new__tptz__GotoPreset(ptzProxy, -1);

       _tptz__GotoPresetResponse* response = soap_new__tptz__GotoPresetResponse(ptzProxy, -1);

       preset->ProfileToken = const_cast<char*>(profile.c_str());

       preset->PresetToken = presetToken;

       if (SOAP_OK == ptzProxy->GotoPreset(preset, response))

           result = true;

       if (response)

           soap_delete__tptz__GotoPresetResponse(ptzProxy, response);

       if (preset)

           soap_delete__tptz__GotoPreset(ptzProxy, preset);

   }

   else if (command == PRESET_SET)

   {

       _tptz__SetPreset* preset = soap_new__tptz__SetPreset(ptzProxy, -1);

       _tptz__SetPresetResponse* response = soap_new__tptz__SetPresetResponse(ptzProxy, -1);

       preset->ProfileToken = const_cast<char*>(profile.c_str());

       preset->PresetToken = presetToken;

       if (SOAP_OK == ptzProxy->SetPreset(preset, response))

           result = true;

       if (response)

           soap_delete__tptz__SetPresetResponse(ptzProxy, response);

       if (preset)

           soap_delete__tptz__SetPreset(ptzProxy, preset);

   }

   else if (command == PRESET_REMOVE)

   {

       _tptz__RemovePreset* preset = soap_new__tptz__RemovePreset(ptzProxy, -1);

       _tptz__RemovePresetResponse* response = soap_new__tptz__RemovePresetResponse(ptzProxy, -1);

       preset->ProfileToken = const_cast<char*>(profile.c_str());

       preset->PresetToken = presetToken;

       if (SOAP_OK == ptzProxy->RemovePreset(preset, response))

           result = true;

       if (response)

           soap_delete__tptz__RemovePresetResponse(ptzProxy, response);

       if (preset)

           soap_delete__tptz__RemovePreset(ptzProxy, preset);

   }

   delete ptzProxy;

   return result;

关于EasyNVR

EasyNVR能够通过简单的网络摄像机通道配置，将传统监控行业里面的高清网络摄像机IP Camera、NVR等具有RTSP协议输出的设备接入到EasyNVR，EasyNVR能够将这些视频源的音视频数据进行拉取，转换为RTMP/HLS，进行全平台终端H5直播（Web、Android、iOS），并且EasyNVR能够将视频源的直播数据对接到第三方CDN网络，实现互联网级别的直播分发；

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