Invention Grant
- Patent Title: Video frame codec architectures
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Application No.: US16870531Application Date: 2020-05-08
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Publication No.: US11425404B2Publication Date: 2022-08-23
- Inventor: Aki Oskari Kuusela , Ville-Mikko Rautio
- Applicant: Google LLC
- Applicant Address: US CA Mountain View
- Assignee: Google LLC
- Current Assignee: Google LLC
- Current Assignee Address: US CA Mountain View
- Agency: Colby Nipper PLLC
- Main IPC: H04N19/40
- IPC: H04N19/40 ; H04N19/172 ; H04N19/44 ; H04N19/20 ; H04N19/42

Abstract:
Techniques and apparatuses are described for video frame codec architectures. A frame decompressor decompresses compressed frames to produce decompressed frames. A frame decompressor controller arbitrates shared access to the frame decompressor. Multiple cores of an SoC request to receive a decompressed frame from the frame decompressor via the frame decompressor controller. The frame decompressor controller can implement a request queue and can order the servicing of requests based on priority of the requests or requesting cores. The frame decompressor controller can also establish a time-sharing protocol for access by the multiple cores. In some implementations, a video decoder is logically integrated with the frame decompressor and stores portions of a decompressed frame in a video buffer, and a display controller retrieves the portions for display using a synchronization mechanism. In analogous manners, a frame compressor controller can arbitrate shared access to a frame compressor for the multiple cores.
Public/Granted literature
- US20200275113A1 Video Frame Codec Architectures Public/Granted day:2020-08-27
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