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AssigneeMicrosoft Technology Licensing, LLC
InventorsYongjun Wu, Naveen Thumpudi, Shyam Sadhwani
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A media processing tool adds custom data to an elementary media bitstream or media container. The custom data indicates nominal range of samples of media content, but the meaning of the custom data is not defined in the codec format or media container format. For example, the custom data indicates the nominal range is full range or limited range. For playback, a media processing tool parses the custom data and determines an indication of media content type. A rendering engine performs color conversion operations whose logic changes based at least in part on the media content type. In this way, a codec format or media container format can in effect be extended to support full nominal range media content as well as limited nominal range media content, and hence preserve full or correct color fidelity, while maintaining backward compatibility and conformance with the codec format or media container format.
-20. (canceled)
One or more computer-readable media having stored thereon computer-executable instructions for causing a computing system, when programmed thereby, to perform video processing operations, wherein the one or more computer-readable media are selected from the group consisting of volatile memory, non-volatile memory, magnetic disk, CD-ROM, and DVD, the video processing operations comprising:
In a computing system that implements a video processing tool, a method comprising:
One or more computer-readable media having stored thereon computer-executable instructions for causing a computing system, when programmed thereby, to perform video processing operations, wherein the one or more computer-readable media are selected from the group consisting of volatile memory, non-volatile memory, magnetic disk, CD-ROM, and DVD, the video processing operations comprising:
Dependencies are inferred from the claim text.