Thread: how to grab the video from the camera?

  1. #1
    Registered User
    Join Date
    Mar 2012

    Smile how to grab the video from the camera?

    how to grab the video from the camera and stream to screen?

    this is my first post but I guess I'll be a good member of this community!!!

  2. #2
    Registered User
    Join Date
    Dec 2011
    This is a very complicated task, but in general, you'll do something like this:

    Step 1: Write a (probably kernel-mode) driver to interface with your camera
    Step 2: Write/find a library to parse the video data you receive
    Step 3: Write a transfer mechanism to grab data from the driver to your program
    Step 4: Install a graphics/GUI library and link it to your program
    Step 5: Interface with the library to make it display the parsed pixel data

    Or, you could just launch Quicktime

  3. #3
    Join Date
    Oct 2007
    Inside my computer
    I'd say you use need DirectShow or some other media network. When connecting the camera, it will probably attach in mass storage mode, allowing you access to the videos through the filesystem.
    Quote Originally Posted by Adak View Post
    io.h certainly IS included in some modern compilers. It is no longer part of the standard for C, but it is nevertheless, included in the very latest Pelles C versions.
    Quote Originally Posted by Salem View Post
    You mean it's included as a crutch to help ancient programmers limp along without them having to relearn too much.

    Outside of your DOS world, your header file is meaningless.

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