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added output camera id if it fails

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This commit is contained in:
Gary Bradski 2011-02-13 04:09:58 +00:00
parent 251918e120
commit 975ecaca7d
1 changed files with 1 additions and 1 deletions
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2
samples/cpp/calibration.cpp
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@ -414,7 +414,7 @@ int main( int argc, char** argv )
capture.open(cameraId);
if( !capture.isOpened() && imageList.empty() )
return fprintf( stderr, "Could not initialize video capture\n" ), -2;
return fprintf( stderr, "Could not initialize video (%d) capture\n",cameraId ), -2;
if( !imageList.empty() )
nframes = (int)imageList.size();