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Bug #3201 fix

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This commit is contained in:
WonderRico 2013-08-06 18:35:49 +02:00
parent 2911b12145
commit 7e7fb0b75d
1 changed files with 5 additions and 5 deletions
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10
modules/highgui/src/cap_dshow.cpp
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@ -3164,18 +3164,18 @@ void CvCaptureCAM_DShow::close()
// 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;
}