Add support for USB Capture AIO, USB Capture HDMI 4K Plus and USB Capture SDI 4K Plus. Optimize the performance. Change the max capture resolution. Fix the problem of white dot when a Capture HDMI Gen 2 captures certain kinds of signals.

The new Magewell USB Capture HDMI 4K Plus USB Video Grabber supports as an input the HDMI 2.0 standard with 4kp60fps resolution and 4: 4: 4 color subsampling. An output signal of 4096 x 2160 * is possible due to the USB 3.0 standard.

The new Magewell USB Capture SDI 4K Plus USB Video Grabber supports the SD / HD / 3G / 6G SDI standard as input, 4096 × 2160 resolution, and 4: 4: 4 color subsampling. An output signal of 4096 x 2160 * is possible due to the USB 3.0 standard.