ZBar is an open source software suite for reading bar codes from various sources, including webcams. As its development stopped in 2012, I took the task of keeping it updated with the V4L2 API. This is the main repository for it. There's a clone at at LinuxTV.org, and another one at gitlab.
STATUS_CODE : 0xc000007b
Steps :
Use Windows 7 Ultimate x64 Try to run DShow or VfW and it may appear.
Unknown source.