--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/c/test-pixels.cpp	Sat Nov 07 23:33:51 2009 -0500
@@ -0,0 +1,42 @@
+#include "opencv/cv.h"
+#include "opencv/highgui.h"
+
+#include <iostream>
+
+using namespace std;
+
+IplImage* allocateImage(const CvSize& size, const int& depth, const int& channels) {
+  IplImage* image = cvCreateImage(size, depth, channels);
+
+  if (!image) {
+    cerr << "Error: Couldn't allocate image.  Out of memory?\n" << endl;
+    exit(-1);
+  }
+
+  return image;
+}
+
+int main(int argc, char *argv[]) {
+  //cout << "Hello World" << endl;
+
+  CvCapture *inputVideo = cvCaptureFromFile(argv[1]);
+
+  IplImage* frame = cvQueryFrame(inputVideo);
+  IplImage* bwFrame = allocateImage(cvSize(frame->width, frame->height), IPL_DEPTH_8U, 1);
+
+  int frameNum = 0;
+  while (frame) {
+    if (frameNum%10 == 0)
+      cout << frameNum << endl;
+    cvConvertImage(frame, bwFrame);
+    
+    for (int i=0; i<frame->height; ++i)
+      for (int j=0; j<frame->width; ++j)
+	int gray = cvGetReal2D(bwFrame, i, j);
+
+    frame = cvQueryFrame(inputVideo);
+    frameNum++;
+  }
+
+  return 1;
+}