Invention Grant
- Patent Title: Protecting video as it is decoded by a codec
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Application No.: US12768652Application Date: 2010-04-27
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Publication No.: US08457311B1Publication Date: 2013-06-04
- Inventor: Roderick David Schultz , Till Uro
- Applicant: Roderick David Schultz , Till Uro
- Applicant Address: US CA San Jose
- Assignee: Adobe Systems Incorporated
- Current Assignee: Adobe Systems Incorporated
- Current Assignee Address: US CA San Jose
- Agency: Wolfe-SBMC
- Main IPC: H04N7/167
- IPC: H04N7/167

Abstract:
In one aspect, a method includes: obtaining compressed video content within a video content processing module, a portion of a document structure of the compressed video content conforming to a predefined codec, the portion of the document structure including a plurality of video frames; decrypting the compressed video content in accordance with a digital rights management data encryption applied to the compressed video content; adding information in an extension frame associated with a portion of the document structure; and applying an encoding technique to content of one or more of the plurality of video frames after the decrypting, wherein the extension frame flags the applied encoding technique; and providing the compressed video content, including the encoded content, to a media player including a codec conforming to the predefined codec.
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