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HMI Documentation
OnAppCapabilityUpdated

OnAppCapabilityUpdated

Type
Notification
Sender
SDL
Purpose
Inform the HMI that a specific application capability has changed

Notification

SDL sends OnAppCapabilityUpdated notification to HMI to provide VSC supported by application

May

HMI may switch video streaming resolution according to values provided by application in OnAppCapabilityUpdated notification. (see also OnSystemCapabilityUpdated)

If HMI doesn't receive OnAppCapabilityUpdated notification or receives OnAppCapabilityUpdated without additionalVideoStreamingCapabilities, HMI should not send OnSystemCapabilityUpdated notification and the user should not be able to change the resolution.

Note

In case older application does not support sending OnAppCapabilityUpdated notification, HMI must treat this application as one that does not support dynamic resolution switching and allow only default screen mode for it.

Parameters

Name Type Mandatory Additional
appCapability Common.AppCapability true
appID Integer true

Sequence Diagrams

JSON Message Examples

Example Notification

{
   "jsonrpc":"2.0",
   "method":"BasicCommunication.OnAppCapabilityUpdated",
   "params":{
      "appID":65544,
      "appCapability":{
         "appCapabilityType":"VIDEO_STREAMING",
         "videoStreamingCapability":{
            "hapticSpatialDataSupported":false,
            "scale":2.5,
            "additionalVideoStreamingCapabilities":[
               {
                  "scale":1,
                  "hapticSpatialDataSupported":true,
                  "preferredFPS": 15,
                  "preferredResolution":{
                     "resolutionWidth":800,
                     "resolutionHeight":350
                  }
               },
               {
                  "hapticSpatialDataSupported":false,
                  "preferredFPS": 30,
                  "preferredResolution":{
                     "resolutionWidth":320,
                     "resolutionHeight":240
                  }
               },
               {
                  "hapticSpatialDataSupported":true,
                  "preferredFPS": 24,
                  "preferredResolution":{
                     "resolutionWidth":400,
                     "resolutionHeight":480
                  }
               },
               {
                  "hapticSpatialDataSupported":true,
                  "preferredFPS": 20,
                  "preferredResolution":{
                     "resolutionWidth":640,
                     "resolutionHeight":480
                  }
               },
               {
                  "hapticSpatialDataSupported":true,
                  "preferredFPS": 20,
                  "preferredResolution":{
                     "resolutionWidth":800,
                     "resolutionHeight":240
                  }
               },
               {
                  "scale":2.5,
                  "hapticSpatialDataSupported":false
               },
               {
                  "scale":5,
                  "hapticSpatialDataSupported":true
               }
            ],
            "preferredFPS": 15,
            "preferredResolution":{
               "resolutionWidth":800,
               "resolutionHeight":350
            },
            "diagonalScreenSize":10,
            "maxBitrate":10000,
            "pixelPerInch":150,
            "supportedFormats":[
               {
                  "protocol":"RAW",
                  "codec":"H264"
               }
            ]
         }
      }
   }
}
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