Barely-functional dcpdiff.

1 files changed, 55 insertions, 2 deletions

diff --git a/tools/dcpdiff.cc b/tools/dcpdiff.cc
index b503ee1a..840a1b3e 100644
--- a/tools/dcpdiff.cc
+++ b/tools/dcpdiff.cc
@@ -1,10 +1,63 @@
+#include <getopt.h>
 #include "dcp.h"
 
+using namespace std;
 using namespace libdcp;
 
+static void
+help (string n)
+{
+	cerr << "Syntax: " << n << " [OPTION] <DCP> <DCP>\n"
+	     << "  -v, --version      show DVD-o-matic version\n"
+	     << "  -h, --help         show this help\n"
+	     << "\n"
+	     << "The <DCP>s are the DCP directories to compare.\n";
+}
+
 int
 main (int argc, char* argv[])
 {
-	DCP dcp ("/home/carl/src/dvdomatic-test/reference/dolby_aurora.vob/dolby_aurora.vob");
-	return 0;
+	int option_index = 0;
+	while (1) {
+		static struct option long_options[] = {
+			{ "version", no_argument, 0, 'v'},
+			{ "help", no_argument, 0, 'h'},
+			{ 0, 0, 0, 0 }
+		};
+
+		int c = getopt_long (argc, argv, "vh", long_options, &option_index);
+
+		if (c == -1) {
+			break;
+		}
+
+		switch (c) {
+		case 'v':
+			cout << "dcpdiff version " << LIBDCP_VERSION << "\n";
+			exit (EXIT_SUCCESS);
+		case 'h':
+			help (argv[0]);
+			exit (EXIT_SUCCESS);
+		}
+	}
+
+	if (argc <= optind || argc > (optind + 2)) {
+		help (argv[0]);
+		exit (EXIT_FAILURE);
+	}
+
+	DCP a (argv[optind]);
+	DCP b (argv[optind + 1]);
+
+	list<string> notes = a.equals (b, LIBDCP_METADATA);
+	if (notes.empty ()) {
+		cout << "DCPs identical by LIBDCP_METADATA\n";
+		exit (EXIT_SUCCESS);
+	}
+
+	for (list<string>::iterator i = notes.begin(); i != notes.end(); ++i) {
+		cout << "  " << *i << "\n";
+	}
+
+	exit (EXIT_FAILURE);
 }