From acfbd1c01020ea95d9e7eb3d63ddb14b9407732a Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Mon, 1 Feb 2021 01:24:55 +0100
Subject: Add noise to very small J2K frames (#1902).

---
 test/low_bitrate_test.cc | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 test/wscript             |  1 +
 2 files changed, 48 insertions(+)
 create mode 100644 test/low_bitrate_test.cc

(limited to 'test')

diff --git a/test/low_bitrate_test.cc b/test/low_bitrate_test.cc
new file mode 100644
index 000000000..f7edecb62
--- /dev/null
+++ b/test/low_bitrate_test.cc
@@ -0,0 +1,47 @@
+/*
+    Copyright (C) 2021 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 "lib/dcp_video.h"
+#include "lib/image.h"
+#include "lib/player_video.h"
+#include "lib/raw_image_proxy.h"
+extern "C" {
+#include <libavutil/pixfmt.h>
+}
+#include <boost/test/unit_test.hpp>
+#include <iostream>
+
+
+using std::make_shared;
+
+
+BOOST_AUTO_TEST_CASE (low_bitrate_test)
+{
+	auto image = make_shared<Image>(AV_PIX_FMT_RGB24, dcp::Size(1998, 1080), true);
+	image->make_black ();
+	auto proxy = make_shared<RawImageProxy>(image);
+	auto frame = make_shared<PlayerVideo>(proxy, Crop(), boost::optional<double>(), dcp::Size(1998, 1080), dcp::Size(1998, 1080), Eyes::BOTH, Part::WHOLE, boost::optional<ColourConversion>(), VideoRange::FULL, std::weak_ptr<Content>(), boost::optional<Frame>(), false);
+	auto dcp_video = make_shared<DCPVideo>(frame, 0, 24, 100000000, Resolution::TWO_K);
+	auto j2k = dcp_video->encode_locally();
+	BOOST_REQUIRE (j2k.size() >= 65536);
+}
+
+
diff --git a/test/wscript b/test/wscript
index f47eaea73..70aad81a3 100644
--- a/test/wscript
+++ b/test/wscript
@@ -94,6 +94,7 @@ def build(bld):
                  j2k_bandwidth_test.cc
                  job_test.cc
                  kdm_naming_test.cc
+                 low_bitrate_test.cc
                  markers_test.cc
                  no_use_video_test.cc
                  optimise_stills_test.cc
-- 
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