If you are doing heavy lifting, look into the V4L2 memory mapping ( mmap ) to pass frames directly to the GPU. Helpful Resources
Since Pascal isn't the "standard" choice for Pi projects like Python is, you get the benefit of much faster execution speeds, which is great for image processing. 1. Set Up Your Environment Pascal Webcam Raspberry
If you are looking to use a webcam with the programming language on a Raspberry Pi , the most effective approach is to leverage the Free Pascal Compiler (FPC) alongside the OpenCV library or the V4L2 (Video4Linux2) interface. If you are doing heavy lifting, look into