[jira] Commented: (FELIX-2730) UPnP exposed to/used by DLNA devices

["Francesco Furfari (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FELIX-2730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12971220#action_12971220 ] 

Francesco Furfari commented on FELIX-2730:
------------------------------------------

Hi Patrick,

you're right it is a useful feature request, but we should think to a more general mechanism to deal with non-standard vendor extensions.
This is not defined by the current OSGi UPnP specification.
We will work on it and include  ASAP.

Francesco



> UPnP exposed to/used by DLNA devices
> ------------------------------------
>
>                 Key: FELIX-2730
>                 URL: https://issues.apache.org/jira/browse/FELIX-2730
>             Project: Felix
>          Issue Type: New Feature
>          Components: UPnP Subproject
>         Environment: All platforms using the Felix UPnP bundle
>            Reporter: Patrik Sagelius
>            Priority: Minor
>         Attachments: site.patch
>
>
> One of the larger areas of usage with UPnP is to expose a DMS. There are also many consumers of DMS devices, e.g. TVs. Many of the new TVs coming to the market are branded "DLNA compatible". This means they will require DMS devices to have the XML tag shown below in the device description:
> <dlna:X_DLNADOC xmlns:dlna="urn:schemas-dlna-org:device-1-0">DMS-1.00</dlna:X_DLNADOC>
> This is described in paragraph 7.2.10 in the document named "DLNA Networked Device Interoperability Guidelines". This is just one of many DLNA specific tags. However, it seems that a great number of DMR devices (consumers of DMS devices, e.g. TVs) expects this tag and only shows the DMS as a valid DMS if it is included.
> I know this has nothing to do with UPnP since it is a DLNA specific tag, but it increases the usability of the UPnP stack and the number of usecases supported a great deal! Moreover, there is no way to set this XML tag in the device description using the OSGi UPnP API as it is currently specified.
> What is needed is that the developer needs some way of controlling the content of the device description to include this tag.
> So when creating the device the programmer supplies properties to control various things, such as name and description. It would be good to supply a property called "X_DLNADOC" with the value of the tag, e.g. DMS-1.00. So the code to create a DLNA supported device would look like:
> public class DmsDevice implements UPnPDevice {
>     private Dictionary dictionary = new Hashtable();
>     public DmsDevice() {
>         dictionary.put(UPnPDevice.FRIENDLY_NAME, "My Name");
>         dictionary.put("X_DLNADOC", "DMS-1.00");
>         ....
>     }
>     public Dictionary getDescriptions(String locale) {
>         return this.dictionary;
>     }
>     ....
> }
> This should result in an XML like:
> <?xml version="1.0" encoding="utf-8"?>
> <root xmlns="urn:schemas-upnp-org:device-1-0">
>    <specVersion>
>       <major>1</major>
>       <minor>0</minor>
>    </specVersion>
>    <URLBase>http://<myip>:<myport></URLBase>
>    <device>
>       <deviceType>urn:schemas-upnp-org:device:MediaServer:1</deviceType>
>       <dlna:X_DLNADOC xmlns:dlna="urn:schemas-dlna-org:device-1-0">DMS-1.00</dlna:X_DLNADOC>
>       <friendlyName>My Name</friendlyName>
>       ........
> </root>

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