// Initialize camera input
bool CvCaptureCAM_DShow::open( int _index )
{
- int try_index = _index;
int devices = 0;
close();
devices = VI.listDevices(true);
if (devices == 0)
return false;
- try_index = try_index < 0 ? 0 : (try_index > devices-1 ? devices-1 : try_index);
- VI.setupDevice(try_index);
- if( !VI.isDeviceSetup(try_index) )
+ if (_index < 0 || index > devices-1)
+ return false;
+ VI.setupDevice(_index);
+ if( !VI.isDeviceSetup(_index) )
return false;
- index = try_index;
+ index = _index;
return true;
}