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facedetect: skip detection for unavailable detectors

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This commit is contained in:
Stefan Sauer 2012-03-16 12:04:11 +01:00
parent 6fde848ada
commit 2311a0ac0e
1 changed files with 3 additions and 0 deletions
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3
ext/opencv/gstfacedetect.c
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@ -474,6 +474,9 @@ gst_face_detect_run_detector (GstFaceDetect * filter,
CvHaarClassifierCascade * detector, gint min_size_width,
gint min_size_height)
{
if (!detector)
return NULL;
return cvHaarDetectObjects (filter->cvGray, detector,
filter->cvStorage, filter->scale_factor, filter->min_neighbors,
filter->flags, cvSize (min_size_width, min_size_height)