Videos, images and other visual media contain a value called Pixel Format. It describes the layout of each and every pixel in the image data of a picture or video.
The Pixel Format is related to the color channel or color space of the visual data. It describes how the color data is encoded and organized. Usually, the value given for the Pixel Format in a file includes the bits per pixel (bpp) and the color channel or model. This includes, among others: