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    <p>To add a SRT resource tag to UPnP item in Platinum, you should do at least the following. I don't claim the list being functional, complete or tested. It's just my best guess at what needs to be changed. If it doesn't immediately work as expected, i may not be able to help you more specifically. <em>It's a navigation hint, not a driving assistance</em>.</p> <ul> <li>put your SRT file in the same folder as the media file, named the same way in some sensible way which would be easy for you to distinguish afterwards.</li> <li>in <strong>PltMimeType.cpp</strong> add <code>"srt","text/srt"</code> to <code>PLT_HttpFileRequestHandler_DefaultFileTypeMap</code>. Platinum doesn't know SRT out of the box.</li> <li><strong>PltFileMediaServer.cpp</strong> is kinda dumb, it by default shows up all files found in a directory. It's an example, after all. You need to filter out SRTs from the visible listing by implementing <code>PltFileMediaServer::ProcessFile</code> filter.</li> <li>still in <strong>PltFileMediaServer.cpp</strong> there is a method <code>PLT_FileMediaServerDelegate::BuildFromFilePath</code>. Here comes <code>filepath</code> which is the path of your media file (and ONLY that). Out of the filepath, you need to look in the folder whether there is a properly named subtitle file (with some <code>NPT_File</code> methods, look it up).</li> <li>if there is, you must add extra <code>PLT_MediaItemResource</code> to the <code>PLT_MediaObject* object</code>. There is already one <code>resource</code> instance, but that's used exclusively for the media resource itself. Don't reuse it. You need to add another one, and IMO you need to set only <code>resource.m_Uri</code> (with BuildResourceUri) and <code>resource.m_ProtocolInfo</code>.</li> <li>for <code>m_ProtocolInfo</code>, you need to call <code>PLT_ProtocolInfo::GetProtocolInfo</code> with parameter <code>false</code> so that the <code>protocolInfo</code> of your newly added <code>&lt;res&gt;</code> is not clobbered with DLNA profile id.</li> </ul>
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    1. COMany thanks all that you say it's correct and i successful display subtitles in my DMR with my software, now i only need to make this more pretty, showing images previews and video previews... do you know where i can find documentation to accomplish this (only dlna info) or some code samples too. Thanks again.
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    2. CONo idea what you mean by "image preview" or "video preview". You may want to implement transcoding of images and/or videos to smaller size, and present it as alternative resource to every item. But in terms of UPnP/DLNA it will be just an alternative resource, and it's fully up to DMR implementation whether it will display them. For example, UPnP does support specific `albumArtURI` for music (and DLNA has tons of specs for it), but my personal experience is that real-world DMRs prefer to display an image found as IDv3 tag in MP3 and ignore your precious UPnP data.
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    3. COIf you think you're able to explain clearly what you want, post a new question. Piggybacking on another question with irrelevant title is a bad practice because it complicates searching for knowledge.
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