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facedetect: always send facedetect message

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The application might like to know, when we don't see the face anymore.
This commit is contained in:
Stefan Sauer 2012-03-15 23:08:02 +01:00
parent 288c6fa26c
commit fbcee587f4
1 changed files with 46 additions and 53 deletions
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99
ext/opencv/gstfacedetect.c
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@ -481,7 +481,9 @@ gst_face_detect_transform_ip (GstOpencvVideoFilter * base, GstBuffer * buf,
if (filter->cvFaceDetect) {
GstMessage *msg = NULL;
GstStructure *s;
GValue facelist = { 0 };
GValue facedata = { 0 };
CvSeq *faces;
CvSeq *mouth, *nose, *eyes;
gint i;
@ -507,10 +509,8 @@ gst_face_detect_transform_ip (GstOpencvVideoFilter * base, GstBuffer * buf,
#endif
);
if (faces && faces->total > 0) {
msg = gst_face_detect_message_new (filter, buf);
g_value_init (&facelist, GST_TYPE_LIST);
}
msg = gst_face_detect_message_new (filter, buf);
g_value_init (&facelist, GST_TYPE_LIST);
for (i = 0; i < (faces ? faces->total : 0); i++) {
CvRect *r = (CvRect *) cvGetSeqElem (faces, i);
@ -576,51 +576,46 @@ gst_face_detect_transform_ip (GstOpencvVideoFilter * base, GstBuffer * buf,
i, faces->total, r->x, r->y, r->width, r->height,
have_eyes, have_nose, have_mouth);
if (msg) {
GValue value = { 0 };
GstStructure *s;
s = gst_structure_new ("face",
"x", G_TYPE_UINT, r->x,
"y", G_TYPE_UINT, r->y,
"width", G_TYPE_UINT, r->width,
"height", G_TYPE_UINT, r->height, NULL);
if (nose && nose->total) {
CvRect *sr = (CvRect *) cvGetSeqElem (nose, 0);
GST_LOG_OBJECT (filter, "nose/%d: x,y = %4u,%4u: w.h = %4u,%4u",
nose->total, rnx + sr->x, rny + sr->y, sr->width, sr->height);
gst_structure_set (s,
"nose->x", G_TYPE_UINT, rnx + sr->x,
"nose->y", G_TYPE_UINT, rny + sr->y,
"nose->width", G_TYPE_UINT, sr->width,
"nose->height", G_TYPE_UINT, sr->height, NULL);
}
if (mouth && mouth->total) {
CvRect *sr = (CvRect *) cvGetSeqElem (mouth, 0);
GST_LOG_OBJECT (filter, "mouth/%d: x,y = %4u,%4u: w.h = %4u,%4u",
mouth->total, rmx + sr->x, rmy + sr->y, sr->width, sr->height);
gst_structure_set (s,
"mouth->x", G_TYPE_UINT, rmx + sr->x,
"mouth->y", G_TYPE_UINT, rmy + sr->y,
"mouth->width", G_TYPE_UINT, sr->width,
"mouth->height", G_TYPE_UINT, sr->height, NULL);
}
if (eyes && eyes->total) {
CvRect *sr = (CvRect *) cvGetSeqElem (eyes, 0);
GST_LOG_OBJECT (filter, "eyes/%d: x,y = %4u,%4u: w.h = %4u,%4u",
eyes->total, rex + sr->x, rey + sr->y, sr->width, sr->height);
gst_structure_set (s,
"eyes->x", G_TYPE_UINT, rex + sr->x,
"eyes->y", G_TYPE_UINT, rey + sr->y,
"eyes->width", G_TYPE_UINT, sr->width,
"eyes->height", G_TYPE_UINT, sr->height, NULL);
}
g_value_init (&value, GST_TYPE_STRUCTURE);
gst_value_set_structure (&value, s);
gst_value_list_append_value (&facelist, &value);
g_value_unset (&value);
s = gst_structure_new ("face",
"x", G_TYPE_UINT, r->x,
"y", G_TYPE_UINT, r->y,
"width", G_TYPE_UINT, r->width,
"height", G_TYPE_UINT, r->height, NULL);
if (nose && nose->total) {
CvRect *sr = (CvRect *) cvGetSeqElem (nose, 0);
GST_LOG_OBJECT (filter, "nose/%d: x,y = %4u,%4u: w.h = %4u,%4u",
nose->total, rnx + sr->x, rny + sr->y, sr->width, sr->height);
gst_structure_set (s,
"nose->x", G_TYPE_UINT, rnx + sr->x,
"nose->y", G_TYPE_UINT, rny + sr->y,
"nose->width", G_TYPE_UINT, sr->width,
"nose->height", G_TYPE_UINT, sr->height, NULL);
}
if (mouth && mouth->total) {
CvRect *sr = (CvRect *) cvGetSeqElem (mouth, 0);
GST_LOG_OBJECT (filter, "mouth/%d: x,y = %4u,%4u: w.h = %4u,%4u",
mouth->total, rmx + sr->x, rmy + sr->y, sr->width, sr->height);
gst_structure_set (s,
"mouth->x", G_TYPE_UINT, rmx + sr->x,
"mouth->y", G_TYPE_UINT, rmy + sr->y,
"mouth->width", G_TYPE_UINT, sr->width,
"mouth->height", G_TYPE_UINT, sr->height, NULL);
}
if (eyes && eyes->total) {
CvRect *sr = (CvRect *) cvGetSeqElem (eyes, 0);
GST_LOG_OBJECT (filter, "eyes/%d: x,y = %4u,%4u: w.h = %4u,%4u",
eyes->total, rex + sr->x, rey + sr->y, sr->width, sr->height);
gst_structure_set (s,
"eyes->x", G_TYPE_UINT, rex + sr->x,
"eyes->y", G_TYPE_UINT, rey + sr->y,
"eyes->width", G_TYPE_UINT, sr->width,
"eyes->height", G_TYPE_UINT, sr->height, NULL);
}
g_value_init (&facedata, GST_TYPE_STRUCTURE);
gst_value_set_structure (&facedata, s);
gst_value_list_append_value (&facelist, &facedata);
g_value_unset (&facedata);
if (do_display) {
CvPoint center;
@ -678,11 +673,9 @@ gst_face_detect_transform_ip (GstOpencvVideoFilter * base, GstBuffer * buf,
}
}
if (msg) {
gst_structure_set_value (msg->structure, "faces", &facelist);
g_value_unset (&facelist);
gst_element_post_message (GST_ELEMENT (filter), msg);
}
gst_structure_set_value (msg->structure, "faces", &facelist);
g_value_unset (&facelist);
gst_element_post_message (GST_ELEMENT (filter), msg);
}
return GST_FLOW_OK;