+/*
+ Copyright (C) 2020 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/compose.hpp"
+#include "lib/image.h"
+#include "lib/timer.h"
+
+
+using boost::shared_ptr;
+
+
+#define ITERATIONS 500
+
+
+static
+shared_ptr<Image>
+dummy_image(dcp::Size size)
+{
+ shared_ptr<Image> image(new Image(AV_PIX_FMT_RGB24, size, true));
+ int v = 0;
+ for (int y = 0; y < size.height; ++y) {
+ for (int c = 0; c < image->planes(); ++c) {
+ uint8_t* p = image->data()[c] + y * image->stride()[c];
+ int const line_size = image->line_size()[c];
+ for (int x = 0; x < line_size; ++x) {
+ *p++ = v++ % 256;
+ }
+ }
+ }
+
+ return image;
+}
+
+
+static
+void
+test (dcp::Size from, dcp::Size to, bool fast)
+{
+ shared_ptr<Image> image = dummy_image(from);
+ PeriodTimer pt (String::compose("%1:%2 -> %3:%4 %5", from.width, from.height, to.width, to.height, fast ? "fast" : "slow"));
+ for (int i = 0; i < ITERATIONS; ++i) {
+ image->scale (to, dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB48, true, fast);
+ }
+}
+
+
+int
+main ()
+{
+ test (dcp::Size(1998, 1080), dcp::Size(1998, 1080), true);
+ test (dcp::Size(1998, 1080), dcp::Size(1998, 1080), false);
+
+ test (dcp::Size(1998, 1080), dcp::Size(2006, 1088), true);
+ test (dcp::Size(1998, 1080), dcp::Size(2006, 1088), false);
+
+ test (dcp::Size(996, 540), dcp::Size(1998, 1080), true);
+ test (dcp::Size(996, 540), dcp::Size(1998, 1080), false);
+
+ test (dcp::Size(498, 270), dcp::Size(1998, 1080), true);
+ test (dcp::Size(498, 270), dcp::Size(1998, 1080), false);
+
+ return 0;
+}
+