Fix estimate of required disk space to take referencing

of existing DCPs into account.

1 files changed, 74 insertions, 0 deletions

diff --git a/test/required_disk_space_test.cc b/test/required_disk_space_test.cc
new file mode 100644
index 000000000..2c2f2ed17
--- /dev/null
+++ b/test/required_disk_space_test.cc
@@ -0,0 +1,74 @@
+/*
+    Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "lib/content_factory.h"
+#include "lib/film.h"
+#include "lib/dcp_content.h"
+#include "test.h"
+#include <boost/test/unit_test.hpp>
+
+using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
+
+void check_within_n (int64_t a, int64_t b, int64_t n)
+{
+	BOOST_CHECK (abs (a - b) <= n);
+}
+
+
+BOOST_AUTO_TEST_CASE (required_disk_space_test)
+{
+	shared_ptr<Film> film = new_test_film ("required_disk_space_test");
+	film->set_j2k_bandwidth (100000000);
+	film->set_audio_channels (6);
+	shared_ptr<Content> content_a = content_factory (film, "test/data/flat_blue.png");
+	film->examine_and_add_content (content_a);
+	shared_ptr<DCPContent> content_b = dynamic_pointer_cast<DCPContent> (content_factory (film, "test/data/burnt_subtitle_test_dcp"));
+	film->examine_and_add_content (content_b);
+	wait_for_jobs ();
+	film->write_metadata ();
+
+	check_within_n (
+		film->required_disk_space(),
+		289LL * (100000000 / 8) / 24 +  // video
+		289LL * 48000 * 6 * 3 / 24 +    // audio
+		65536,                          // extra
+		16
+		);
+
+	content_b->set_reference_video (true);
+
+	check_within_n (
+		film->required_disk_space(),
+		240LL * (100000000 / 8) / 24 +  // video
+		289LL * 48000 * 6 * 3 / 24 +    // audio
+		65536,                          // extra
+		16
+		);
+
+	content_b->set_reference_audio (true);
+
+	check_within_n (
+		film->required_disk_space(),
+		240LL * (100000000 / 8) / 24 +  // video
+		240LL * 48000 * 6 * 3 / 24 +    // audio
+		65536,                          // extra
+		16
+		);
+}