VirtualCamera is a virtual software camera that can be installed on Windows 98/ME/2000/XP/2003/Vista. It needs no hardware. It can use your former medias, including pictures, video clips, flash etc. as its sources, and let your application use it as a real camera.
Most popular IM software such as MSN Messenger, Yahoo! Messenger, PalTalk, etc. support real time video chat. But if you have no camera, you will lose some interesting things. So you need the VirtualCamera.
If you already have a web cam, you can use VirtualCamera too. VirtualCamera can easily switch its input to your real camera and easily switch it out. Sometimes when you want share some pictures with your net friends or you want to play your movies to them, you can use VirtualCamera.
VirtualCamera supports most type of media such as pictures(jpg, gif, bmp etc.) and videos(wmv, avi, asf, mpeg, rm, rmvb etc.). And support flash file too. You can select a folder which contains a lot of media files and let VirtualCamera play them to your net friends one by one. Yes, it supports network stream now.
You can use command line to set your media files to VirtualCamer. In Windows Explorer, when you right click on your media files, your can find a menu "Send to VirtualCamer". Use this menu, you can set the media file to VirtualCamera easily. This menu can be used in Internet Explorer too.