Difference between revisions of "License Enforcement via USB Update"
m (Corrected XPath function) |
m (Typo correction) |
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<smil> | <smil> | ||
<head> | <head> | ||
− | <meta http-equiv="Refresh" content="0;url={smil-payerId()}/index.smil" | + | <meta http-equiv="Refresh" content="0;url={smil-payerId()}/index.smil" /> |
</head> | </head> | ||
<body/> | <body/> |
Revision as of 10:44, 25 October 2010
Updates via the USB stick can be a low cost option for networks where content is updated infrequently. However, the lack of content licensing control and therefore the inability to collect license fees in sneaker-net applications makes the model uninteresting to the content service providers. SMIL with its {smil-payerId()} XPath macro offers a solutions for the problem.
Master SMIL Control File
In the SMIL folder of the USB stick, a file named index.smil is the first file run after an USB update. The file can be used to load player ID-dependent SMILs and therefore restrict access only to those with permission. A master SMIL file would look like the following:
/SMIL/index.smil
<smil> <head> <meta http-equiv="Refresh" content="0;url={smil-payerId()}/index.smil" /> </head> <body/> </smil>
Upon loading, this file would immediately redirect the SMIL player to look for a folder named by the ID of the targeted player and play the index.smil file in that folder.
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