Emulating a WebCamera Hi all, Recently I came across a software that can emulate a web camera. It is by the name virtualcamera and seems to be a very famous software. I did not find any other software which can do the same thing. It seems its some kind of magic!. I have installed a TV Tuner Card and Web cam on my PC. My yahoo me... 17 Jan 2006 12:41
Virtual video capture device driver Hi I need to develop a Virtual video capture device, I have so far used a normal directshow source filter registered under CLSID_VideoInputDeviceCategory, but several apps fail to recognize it as a genuine capture device even though AMCAP and WM encoder do so. So I have decided to write a device driver instead. S... 28 Jan 2006 16:02
about READ_PORT_ULONG hi I find it in many driver sample especially pci driver sample that READ_PORT_ULONG is mainly on the OnInterrupt routine? what if my device has no support for interrupt, say its a custom hardware. Where should such READ_PORT be? ps. How a StartDevice() routine is called? krby_xtrm ... 3 Jan 2006 11:23
KMDF and WDF documentation http://www.microsoft.com/whdc/driver/wdf/wdf-arch.mspx has a "Download" section containing words "wdf-arch.doc" which are a link to http://download.microsoft.com/download/5/D/6/5D6EAF2B-7DDF-476B-93DC-7CF0072878E6/wdf-arch.doc http://www.microsoft.com/whdc/driver/wdf/KMDF-arch.mspx has a "Download" section conta... 29 Dec 2005 02:43
No matching device was found. Driver will be installed when plugged in. I am a newbie to the driver installation. When using DPInst 2.01 (DPInst.exe) of Driver Install Frameworks Tools, I got following error and the 'software' modem (this is not a physical modem hardware) is not appeared in Phone and Modem Options under Control Panel. However, if I manually go through the "Install N... 20 Dec 2005 13:07
USBPrint.sys on Windows XP SP2 USBPrint.sys on Windows XP SP2 What would be the conditions (or reasons) for usbprint.sys to stop sending the SOF to a printer device? Is there a maximum number of errors reported by the printer device that USBPrints.sys would shutdown the USB communication? Any other information would help. -- Mario ... 19 Dec 2005 09:28
driver build problem Hi All, i am trying to build a small driver, based on the osrusbfx2 sample. when i try to build it, it generates a number of errors like warning U4006: "special macro undefined '$<' error: 'jvc'is not recognized as an internal or external command. however, when i copy the driver folder into the WDF samples d... 14 Dec 2005 20:06
usbvideo.sys verbose output? I'm having trouble getting any debug output from the usbvideo.sys driver. I have a Windows XP SP2 machine, with a partially checked build installed (usbvideo.sys and usbport.sys are checked builds). It is connected via firewire to another XP machine. WinDbg connects in kernel mode. I do not get much in the way ... 22 Nov 2005 19:16
HPET support 1) Does Windows XP provide any support for accessing/using the High Performace Event Timers (HPET) in the chipset? 2) Will Windoes Vista use the HPET for QueryPerformanceCounter (both uni and multi-processor HALs)? 3) Does the Windows DDK offer any guidance on writing a driver for the HPET? I ask these q... 29 Nov 2005 12:04
Help developing _FIRST_ xp driver Hello, I'm trying to write my first driver for WinXP using the latest DDK from MS. I'm having a few problems (understatment). Mainly I need to access some ports and send the data to a VB app. I have decided to use the READ_PORT_XXXX and WRITE_PORT_XXXX wrapers from NTDDK.h. This means I will be writing a ke... 8 Nov 2005 15:39 |