function for takingand saving images

diff --git a/camera/.capture.c.swp b/camera/.capture.c.swp
new file mode 100644 (file)
index 0000000..9d8f11f
Binary files /dev/null and b/camera/.capture.c.swp differ

diff --git a/camera/capture.c b/camera/capture.c
new file mode 100644 (file)
index 0000000..815cef0
--- /dev/null
+++ b/camera/capture.c
@@ -0,0 +1,59 @@
+#include "cv.h"
+#include "highgui_c.h"
+#include <string.h>
+#include <stdio.h>
+#include <time.h>
+
+int storeFrame( CvCapture* capture)
+{
+       IplImage *frame;
+       time_t rawtime; // time given in seconds since jan 1st 1970
+       struct tm *timeInfo;// time structure containing current time info
+       int buf = 100;
+       char timestamp[buf];
+       char filepath[buf];     // filepath to save the image to
+
+       //USING char *filepath creates seg fault. need to define bufsize, how big?
+
+       time(&rawtime);
+       timeInfo = localtime(&rawtime);
+       snprintf(timestamp,buf-1,"%d.%d.%d_%d.%d.%d", timeInfo->tm_year + 1900, timeInfo->tm_mon + 1, timeInfo->tm_mday,timeInfo->tm_hour, timeInfo->tm_min, timeInfo->tm_sec);
+       snprintf(filepath,buf-1,"images/image_%s.JPG",timestamp);
+
+       /*int p[3];
+       p[0] = CV_IMWRITE_JPEG_QUALITY;
+       p[1] = 10;
+       p[2] = 0;*/
+               
+       frame = cvQueryFrame(capture);
+       if( frame == NULL)
+               return 0;       //error
+       cvSaveImage(filepath,frame,0);
+       
+       return 1;
+}
+
+int main (int argc, char** argv)
+{
+       CvCapture* capture;
+       
+       //Get capture structure for camera, -1 refers to any camera device.
+       //If multiple cameras used, need to use specific camera ID
+       capture = cvCreateCameraCapture(-1);
+       //If cvCreateCameraCapture returns NULL there is an error with the camera
+       if( capture == NULL)
+               return -1;
+
+       int i;
+       for( i=0;i<10;i++)
+       {
+               if( !storeFrame( capture))
+                       return -1;
+               sleep(1);       //for now just to make the camera take 1 shot a second, as that's all my camera seems to be able to take/save (camera or function causing this? is 1 second per frame enough?)
+       }
+       
+       //Need to determine how the function is called in respect to system. just leave it running with a while loop? will something turn it on and off? will the function be called once from elsewhere?
+
+       cvReleaseCapture( &capture);
+}
+