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dlna_http [2014/08/15 22:15] beandog |
dlna_http [2014/08/15 22:47] (current) beandog |
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| My **working notes** on looking at DLNA headers. Specific to my setup (minidlna, Sony BDP) only -- using the wiki as a location to keep notes. Not meant to be useful for people who are not me. :) | My **working notes** on looking at DLNA headers. Specific to my setup (minidlna, Sony BDP) only -- using the wiki as a location to keep notes. Not meant to be useful for people who are not me. :) | ||
| + | |||
| + | Source: Episode ID 2002, 445063149 bytes, 425 MB | ||
| ** Getcontentfeatures.Dlna.Org ** | ** Getcontentfeatures.Dlna.Org ** | ||
| Line 20: | Line 22: | ||
| </code> | </code> | ||
| + | Using libdlna as a [[http://libdlna.sourcearchive.com/documentation/0.2.3/dlna_8h-source.html|reference]], it means that mine supports HTTP Range requests. | ||
| + | |||
| + | <code> | ||
| + | /* DLNA.ORG_OP: operations parameter (string) | ||
| + | * "00" (or "0") neither time seek range nor range supported | ||
| + | * "01" range supported | ||
| + | * "10" time seek range supported | ||
| + | * "11" both time seek range and range supported | ||
| + | */ | ||
| + | </code> | ||
| + | |||
| + | * ** DLNA.ORG_OP=01 ** HTTP Range requests supported | ||
| + | * ** DLNA.ORG_CI=0 ** media is not transcoded | ||
| + | * ** DLNA.ORG_FLAGS=01700000 plus 24 trailing zeroes**: ''dlnaVersion15Supported'', ''connectionStallingSupported'', ''backgroundTransferModeSupported'', ''streamingTransferModeSupported'' | ||
| + | * Supports DLNA version 1.5 (2006 spec) | ||
| + | |||
| + | ** HEAD Requests ** | ||
| + | |||
| + | Worth noting that the DLNA client sends three total HEAD requests. They are identical, except the first one also includes a ''User-Agent'' string: | ||
| + | |||
| + | <code> | ||
| + | User-Agent: UPnP/1.0 DLNADOC/1.50 | ||
| + | </code> | ||
| + | |||
| + | <code> | ||
| + | Request Method: HEAD | ||
| + | Request Url: /MediaItems/224.mkv | ||
| + | User-Agent: UPnP/1.0 DLNADOC/1.50 | ||
| + | Host: 10.10.10.103:8200 | ||
| + | Accept: */* | ||
| + | X-Av-Physical-Unit-Info: pa="Blu-ray Disc Player" | ||
| + | X-Av-Client-Info: av=5.0; cn="Sony Corporation"; mn="Blu-ray Disc Player"; mv="2.0" | ||
| + | Getcontentfeatures.Dlna.Org: 1 | ||
| + | </code> | ||
| + | |||
| + | ** realTimeInfo.dlna.org: DLNA.ORG_TLAG=* ** | ||
| + | |||
| + | minidlna always sends the header, safe to ignore it (see upnphttp.c) | ||
