Systems and methods for signaling content rights through release windows life cycle
View Patent ↗Systems and methods for controlling the use of audio, video and audiovisual content are provided. A data structure includes content usage rights for multiple release windows. The usage rights may be encoded in the content or otherwise bound to the content. Playback devices are configured to access the appropriate usage rights and control usage in accordance with the usage rights.
1. A method comprising:
determining, by a computing device, first usage rights that control usage of content for a first period of time during which the content is released to a first playback device;
determining second usage rights that control usage of the content for a second period of time during which the content is released to a second playback device different from the first playback device; and
prior to the first period of time and the second period of time, marking, by a processor, the content with a single data structure that comprises the first usage rights and the second usage rights.
2. The method of claim 1 , wherein the first playback device and the second playback device are configured to output the content through different distribution channels.
3. The method of claim 1 , wherein the first usage rights comprise a redistribution trigger indicating at least one of: the content is not distributable or limited rights to distribute the content.
4. The method of claim 1 , wherein the first usage rights comprise copy control information indicating rights to at least one of: freely copy the content or never copy the content.
5. The method of claim 1 , wherein the first usage rights comprise at least one of viewing restrictions or output control restrictions.
6. The method of claim 1 , wherein the marking of the content comprises watermarking the content with the first usage rights and the second usage rights.
7. The method of claim 1 , wherein the marking of the content comprises inserting the first usage rights and the second usage rights in an extensible markup language (XML) file.
8. The method of claim 1 , wherein the marking of the content comprises cryptographically binding the single data structure to the content.
9. The method of claim 1 , further comprising digitally signing the content after it is marked.