capture: Allow specifying an index

1 files changed, 5 insertions, 1 deletions

diff --git a/capture.c b/capture.c
index 095c587..dc0e643 100644
--- a/capture.c
+++ b/capture.c
@@ -195,12 +195,16 @@ int
 main(int argc, char *argv[])
 {
 	struct ct ct;
+	int index = CV_CAP_ANY;
 
 	memset(&ct, 0, sizeof ct);
 
 	gtk_init(&argc, &argv);
 
-	ct.capture = cvCreateCameraCapture(CV_CAP_ANY);
+	if (argc > 1)
+		index = atoi(argv[argc-1]);
+
+	ct.capture = cvCreateCameraCapture(index);
 	if (!ct.capture) {
 		fprintf(stderr, "ERROR: capture is NULL \n");
 		exit(EXIT_FAILURE);