Questions relating on how to input analog or digital video into the Pi. Do not use this tag when the video is transported via network towards the Pi.

No Raspberry Pi has consumer-grade video inputs (HDMI input , Composite input , DVI/VGA input). You can use USB capture cards to solve this , but special care has to be taken to select a well-supported chipset.

The CSI port on all Raspberries has been primarily designed for the official camera only. Other devices will be subject to control and default tuning applied for omptimum camera performance via the secret GPU hardware and software. No official support and performance guarantee can be expected of third-party devices connected to the CSI port.