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RK3588 – Implementing a Vectorscope for processing video in real time
Following on from my previous post covering decoding and rendering HDMI input on the RK3588, I encountered a new requirement: implementing ...
Following on from my previous post covering decoding and rendering HDMI input on the RK3588, I encountered a new requirement: implementing a real-time vectorscope to visualize chrominance information from the video stream. Building a real-time UV histogram from each frame requires scanning and processing a large volume of pixel data efficiently. Given that the Mali G-610 GPUis compliant with OpenGL ES 3.1, I explored the use of compute shaders, a more flexible approach for performing general-purpose GPU (GPGPU) operations like histogram generation.
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