【DLNA】三星电视同WMP交互情景分析_object.container.playlistcontainer dlna-优快云博客

本文解析了三星设备与 Windows Media Player (WMP) 之间的 UPnP 浏览请求及响应流程，展示了不同参数设置下获取元数据的具体 XML 结构，有助于理解 UPnP 协议的工作原理。

一、browser过程

三星：

WMP：

<?xml version="1.0"?> <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><SOAP-ENV:Body><m:BrowseResponse xmlns:m="urn:schemas-upnp-org:service:ContentDirectory:1"><Result xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="string"><DIDL-Lite xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/" xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"> <container id="1" restricted="1" parentID="0" childCount="10" searchable="1"><dc:title></dc:title><upnp:class>object.container</upnp:class><upnp:writeStatus>NOT_WRITABLE</upnp:writeStatus><upnp:searchClass includeDerived="1">object.item.audioItem</upnp:searchClass><upnp:searchClass includeDerived="0">object.container.playlistContainer</upnp:searchClass><upnp:searchClass includeDerived="1">object.container.genre</upnp:searchClass><upnp:searchClass includeDerived="0">object.container.genre.musicGenre</upnp:searchClass><upnp:searchClass includeDerived="0">object.container.album.musicAlbum</upnp:searchClass><upnp:searchClass includeDerived="0">object.item.audioItem.musicTrack</upnp:searchClass><upnp:searchClass includeDerived="0">object.container.person.musicArtist</upnp:searchClass><upnp:searchClass includeDerived="1">object.container.album</upnp:searchClass></container> </DIDL-Lite></Result><NumberReturned xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">1</NumberReturned><TotalMatches xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">4</TotalMatches><UpdateID xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">1</UpdateID></m:BrowseResponse></SOAP-ENV:Body></SOAP-ENV:Envelope>

三星：

<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:Browse xmlns:u="urn:schemas-upnp-org:service:ContentDirectory:1"><ObjectID>0</ObjectID><BrowseFlag>BrowseDirectChildren</BrowseFlag><Filter>@id,@parentID,@restricted,dc:title,upnp:class,res,dc:date,@childCount,sec:CaptionInfo,sec:CaptionInfoEx, sec:dcmInfo, sec:MetaFileInfo,res@resolution,res@size,upnp:genre,dc:date,upnp:album,res@duration,upnp:albumArtURI,res@bitrate,dc:creator</Filter><StartingIndex>0</StartingIndex><RequestedCount>20</RequestedCount><SortCriteria></SortCriteria></u:Browse></s:Body></s:Envelope>

WMP:

<m:BrowseResponse xmlns:m="urn:schemas-upnp-org:service:ContentDirectory:1"><Result xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="string"><DIDL-Lite xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/" xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"> <container id="1" restricted="1" parentID="0" childCount="10"><dc:title></dc:title><upnp:class>object.container</upnp:class></container> <container id="2" restricted="1" parentID="0" childCount="7"><dc:title></dc:title><upnp:class>object.container</upnp:class></container> <container id="3" restricted="1" parentID="0" childCount="7"><dc:title></dc:title><upnp:class>object.container</upnp:class></container> <container id="12" restricted="1" parentID="0" childCount="2"><dc:title></dc:title><upnp:class>object.container</upnp:class></container> </DIDL-Lite></Result><NumberReturned xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">4</NumberReturned><TotalMatches xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">4</TotalMatches><UpdateID xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">1</UpdateID></m:BrowseResponse>

三星：

<u:Browse xmlns:u="urn:schemas-upnp-org:service:ContentDirectory:1"><ObjectID>2</ObjectID><BrowseFlag>BrowseDirectChildren</BrowseFlag><Filter>*</Filter><StartingIndex>0</StartingIndex><RequestedCount>1</RequestedCount><SortCriteria></SortCriteria></u:Browse>

WMP:

<SOAP-ENV:Body><m:BrowseResponse xmlns:m="urn:schemas-upnp-org:service:ContentDirectory:1"><Result xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="string"><DIDL-Lite xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/" xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"> <container id="8" restricted="1" parentID="2" childCount="4" searchable="1"><dc:title></dc:title><dc:creator>[]</dc:creator><upnp:class>object.container</upnp:class><upnp:writeStatus>NOT_WRITABLE</upnp:writeStatus><upnp:genre>[]</upnp:genre><upnp:artist role="Performer">[]</upnp:artist><upnp:actor>[]</upnp:actor><upnp:searchClass includeDerived="0">object.item.videoItem</upnp:searchClass><desc id="artist" xmlns:microsoft="urn:schemas-microsoft-com:WMPNSS-1-0/"><microsoft:artistPerformer>[]</microsoft:artistPerformer></desc></container> </DIDL-Lite></Result><NumberReturned xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">1</NumberReturned><TotalMatches xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">7</TotalMatches><UpdateID xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">1</UpdateID></m:BrowseResponse></SOAP-ENV:Body>

三星：

<u:Browse xmlns:u="urn:schemas-upnp-org:service:ContentDirectory:1"><ObjectID>2</ObjectID><BrowseFlag>BrowseMetadata</BrowseFlag><Filter>@parentID</Filter><StartingIndex>0</StartingIndex><RequestedCount>0</RequestedCount><SortCriteria></SortCriteria></u:Browse>

WMP：

三星：

<u:Browse xmlns:u="urn:schemas-upnp-org:service:ContentDirectory:1"><ObjectID>2</ObjectID><BrowseFlag>BrowseDirectChildren</BrowseFlag><Filter>@id,@parentID,@restricted,dc:title,upnp:class,res,dc:date,@childCount,sec:CaptionInfo,sec:CaptionInfoEx, sec:dcmInfo, sec:MetaFileInfo,res@resolution,res@size,upnp:genre,dc:date,upnp:album,res@duration,upnp:albumArtURI,res@bitrate,dc:creator</Filter><StartingIndex>0</StartingIndex><RequestedCount>20</RequestedCount><SortCriteria></SortCriteria></u:Browse>

WMP：

<m:BrowseResponse xmlns:m="urn:schemas-upnp-org:service:ContentDirectory:1"><Result xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="string"><DIDL-Lite xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/" xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/"> <container id="8" restricted="1" parentID="2" childCount="4"><dc:title></dc:title><dc:creator>[]</dc:creator><upnp:class>object.container</upnp:class><upnp:genre>[]</upnp:genre></container> <container id="9" restricted="1" parentID="2" childCount="1"><dc:title></dc:title><upnp:class>object.container</upnp:class></container> <container id="A" restricted="1" parentID="2" childCount="1"><dc:title></dc:title><upnp:class>object.container</upnp:class></container> <container id="E" restricted="1" parentID="2" childCount="1"><dc:title></dc:title><upnp:class>object.container</upnp:class></container> <container id="200" restricted="1" parentID="2" childCount="5"><dc:title></dc:title><upnp:class>object.container</upnp:class></container> <container id="10" restricted="1" parentID="2" childCount="1"><dc:title></dc:title><upnp:class>object.container</upnp:class></container> <container id="15" restricted="1" parentID="2" childCount="1"><dc:title></dc:title><upnp:class>object.container.storageFolder</upnp:class></container> </DIDL-Lite></Result><NumberReturned xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">7</NumberReturned><TotalMatches xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">7</TotalMatches><UpdateID xmlns:dt="urn:schemas-microsoft-com:datatypes" dt:dt="ui4">1</UpdateID></m:BrowseResponse>