Rights specify how a consumer can use a Windows Media file and define any other actions that are allowed, such as allowing the consumer to play the Windows Media file on a computer. Rights can also specify conditions for the license and media players, including devices. For example, you can set an expiration date for a license, after which the license is not valid and the Windows Media file can no longer be used.
A license is deleted when it expires, when all counted operations (such as the number of plays) are used, or when the corresponding packaged files are revoked. For example, if a license allows 10 plays, it is only deleted after the Windows Media file has been played 10 times. If a license has both counted operations and an expiration date, the license is deleted after all the counts have been used or the license expires, whichever comes first.
This section includes the following topics.
|Rights for Playing and Copying||Describes the rights for playing and copying protected content.|
|Time Restrictions||Describes rights that add restrictions to playback, such as expiration dates.|
|Output Protection Levels for Playback||Describes how to restrict playback by requiring a minimum level of protection from playback technologies.|
|Kernel-Level Security (Secure Audio Path)||Defines kernel-level security and explains how to require it for protected content.|
|Security Levels||Describes the security levels you can require of the playback applications and devices.|
|Deprecated Rights||Lists the rights that have been deprecated and the rights that should be used instead.|
|Generating the Rights||Demonstrates how to generate rights when issuing a license.|