Video multiviewer system providing direct video data transfer to graphics processing unit (GPU) memory and related methods
US9615049B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Apr 10, 2008 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Jul 14, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/8146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video multiviewer system may include a video input/output (I/O) controller, a system memory, and a graphics processing unit (GPU) comprising a GPU memory. The system may further include a central processing unit (CPU) for operating the video I/O controller to transfer video data to the GPU memory via direct memory access (DMA) without being stored in the system memory, and a display for displaying multiple video windows based upon video data in the GPU memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.