/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <cxcore.h>
-#include <cv.h>
-#include <highgui.h>
-
#ifdef HAVE_CONFIG_H
# include "config.h"
#include <vlc_image.h>
#include "filter_event_info.h"
+#include <cxcore.h>
+#include <cv.h>
+
/*****************************************************************************
* filter_sys_t : filter descriptor
*****************************************************************************/
msg_Err( p_filter, "Could not set %s", VIDEO_FILTER_EVENT_VARIABLE);
//OpenCV init specific to this example
- char* filename = config_GetPsz( p_filter, "opencv-haarcascade-file" );
- p_filter->p_sys->p_cascade = (CvHaarClassifierCascade*)cvLoad( filename, 0, 0, 0 );
- p_filter->p_sys->p_storage = cvCreateMemStorage(0);
+ char* filename = var_InheritString( p_filter, "opencv-haarcascade-file" );
+ p_sys->p_cascade = (CvHaarClassifierCascade*)cvLoad( filename, 0, 0, 0 );
+ p_sys->p_storage = cvCreateMemStorage(0);
free( filename );
return VLC_SUCCESS;
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
- if( p_filter->p_sys->p_cascade )
- cvReleaseHaarClassifierCascade( &p_filter->p_sys->p_cascade );
+ if( p_sys->p_cascade )
+ cvReleaseHaarClassifierCascade( &p_sys->p_cascade );
- if( p_filter->p_sys->p_storage )
- cvReleaseMemStorage( &p_filter->p_sys->p_storage );
-
- if (NULL != p_filter->p_sys->event_info.p_region)
- free(p_filter->p_sys->event_info.p_region);
+ if( p_sys->p_storage )
+ cvReleaseMemStorage( &p_sys->p_storage );
+ free( p_sys->event_info.p_region );
free( p_sys );
var_Destroy( p_filter->p_libvlc, VIDEO_FILTER_EVENT_VARIABLE);
int i_planes = 0;
CvPoint pt1, pt2;
int i, scale = 1;
+ filter_sys_t *p_sys = p_filter->p_sys;
if ((!p_pic) )
{
}
//perform face detection
- cvClearMemStorage(p_filter->p_sys->p_storage);
- CvSeq* faces = NULL;
- if( p_filter->p_sys->p_cascade )
+ cvClearMemStorage(p_sys->p_storage);
+ if( p_sys->p_cascade )
{
//we should make some of these params config variables
- faces = cvHaarDetectObjects( p_img[0], p_filter->p_sys->p_cascade,
- p_filter->p_sys->p_storage, 1.15, 5, CV_HAAR_DO_CANNY_PRUNING,
+ CvSeq *faces = cvHaarDetectObjects( p_img[0], p_sys->p_cascade,
+ p_sys->p_storage, 1.15, 5,
+ CV_HAAR_DO_CANNY_PRUNING,
cvSize(20, 20) );
//create the video_filter_region_info_t struct
- CvRect* r;
if (faces && (faces->total > 0))
{
//msg_Dbg( p_filter, "Found %d face(s)", faces->total );
- if (NULL != p_filter->p_sys->event_info.p_region)
- {
- free(p_filter->p_sys->event_info.p_region);
- p_filter->p_sys->event_info.p_region = NULL;
- }
- if( NULL == ( p_filter->p_sys->event_info.p_region =
- (video_filter_region_info_t *)malloc(faces->total*sizeof(video_filter_region_info_t))))
- {
+ free( p_sys->event_info.p_region );
+ p_sys->event_info.p_region = (video_filter_region_info_t*)
+ calloc( faces->total, sizeof(video_filter_region_info_t));
+ if( !p_sys->event_info.p_region )
return NULL;
- }
- memset(p_filter->p_sys->event_info.p_region, 0, faces->total*sizeof(video_filter_region_info_t));
- p_filter->p_sys->event_info.i_region_size = faces->total;
+ p_sys->event_info.i_region_size = faces->total;
}
//populate the video_filter_region_info_t struct
for( i = 0; i < (faces ? faces->total : 0); i++ )
{
- r = (CvRect*)cvGetSeqElem( faces, i );
+ CvRect *r = (CvRect*)cvGetSeqElem( faces, i );
pt1.x = r->x*scale;
pt2.x = (r->x+r->width)*scale;
pt1.y = r->y*scale;
pt2.y = (r->y+r->height)*scale;
cvRectangle( p_img[0], pt1, pt2, CV_RGB(0,0,0), 3, 8, 0 );
- *(CvRect*)(&(p_filter->p_sys->event_info.p_region[i])) = *r;
- p_filter->p_sys->event_info.p_region[i].i_id = p_filter->p_sys->i_id++;
- p_filter->p_sys->event_info.p_region[i].p_description = "Face Detected";
+ *(CvRect*)(&(p_sys->event_info.p_region[i])) = *r;
+ p_sys->event_info.p_region[i].i_id = p_sys->i_id++;
+ p_sys->event_info.p_region[i].p_description = "Face Detected";
}
if (faces && (faces->total > 0)) //raise the video filter event