--- /dev/null
+/*
+ Copyright (C) 2016 Carl Hetherington <cth@carlh.net>
+
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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.
+
+ DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "test.h"
+#include "lib/dcp_content_type.h"
+#include "lib/film.h"
+#include "lib/image_content.h"
+#include "lib/video_content.h"
+#include <dcp/raw_convert.h>
+#include <boost/test/unit_test.hpp>
+#include <boost/shared_ptr.hpp>
+
+using std::string;
+using boost::shared_ptr;
+
+static void
+check (int target_bits_per_second)
+{
+ int const duration = 10;
+
+ string const name = "j2k_bandwidth_test_" + dcp::raw_convert<string> (target_bits_per_second);
+ shared_ptr<Film> film = new_test_film (name);
+ film->set_name (name);
+ film->set_dcp_content_type (DCPContentType::from_isdcf_name ("FTR"));
+ film->set_j2k_bandwidth (target_bits_per_second);
+ shared_ptr<ImageContent> content (new ImageContent (film, private_data / "prophet_frame.tiff"));
+ film->examine_and_add_content (content);
+ wait_for_jobs ();
+ content->video->set_length (24 * duration);
+ film->make_dcp ();
+ wait_for_jobs ();
+
+ boost::filesystem::directory_iterator i (boost::filesystem::path ("build") / "test" / name / "video");
+ boost::filesystem::path test = *i++;
+ BOOST_REQUIRE (i == boost::filesystem::directory_iterator ());
+
+ double actual_bits_per_second = boost::filesystem::file_size(test) * 8.0 / duration;
+
+ /* Check that we're within 85% to 115% of target on average */
+ BOOST_CHECK ((actual_bits_per_second / target_bits_per_second) > 0.85);
+ BOOST_CHECK ((actual_bits_per_second / target_bits_per_second) < 1.15);
+}
+
+BOOST_AUTO_TEST_CASE (j2k_bandwidth_test)
+{
+ check (50000000);
+ check (100000000);
+ check (150000000);
+ check (200000000);
+ check (250000000);
+}