On Tuesday, 10. December 2002 18:22, you wrote: > Hi all, > > I am developing an app that captures VIDEO_PALETTE_YUYV data frames. > In order to allocate enough data for the buffer that will hold this > data, I need to know how YUYV is implemented in the driver/api(???) YUYV means first byte: y first pixel second byte: u for both pixels third byte: y second pixel fourth byte: v for both pixels the value range of a single byte is (IIRC) from 16 ... 240 > I'm a bit confused as to where it is implemented. Basically, I'm > concerned with the packing of the bytes to form a single pixel, which > should tell me the depth. the depth is 16 bit per pixel or two bytes. > > Can anyone shed some light on this, or at least point me to the right > direction to find out for myself? Thank you so much. http://www.inforamp.net/~poynton/PDFs/coloureq.pdf (some basics about color) http://planeta.terra.com.br/informatica/gleicon/video4linux/videodog.html (a simple video app) > > /G
