How to package different content so that the same license can be used for all content.

1)      If packaging all the content at the same time, use the same instance of DRMParameters every time you call MediaEncrypter.encryptContent().  All content packaged using the exact same DRMParameters object will be associated with the same license.
2)      If packaging content at different times, but want to have all the content associated with the same license, you need to use V2KeyParameters.setContentEncryptionKey().  The first time you package a piece of content, you would use ContentEncryptionKey.generate() to generate a new key/license ID.  To use the same key/license for later content, you need to store the info in ContentEncryptionKey, so you can pass in the same values later for the new content.

To package content at different times using the same license, you need to implement the following:
Call ContentEncryptionKey.generate to generate a new key and license ID.
On your V2KeyParameters, call setContentEncryptionKey and pass in the object generated in step 1.
Call MediaEncrypter.encryptContent and pass in the V2KeyParameters (via DRMParameters), as usual.
Store the contents of ContentEncryptionKey, so the same values can be used again later.  The key, license ID, and packaging date should all be stored.
When you want to package additional content using this license, lookup the stored key, license ID, and packaging date and pass these into the ContentEncryptionKey constructor to create a ContentEncryptionKey instance.
On your V2KeyParameters, call setContentEncryptionKey and pass in the object generated in step 5.
Call MediaEncrypter.encryptContent and pass in the V2KeyParameters (via DRMParameters), as usual.
The media packaged in steps 3 and 7 should now be protected using the same license.

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