2 Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 /** @file test/image_test.cc
22 * @brief Test Image class.
23 * @ingroup selfcontained
24 * @see test/make_black_test.cc, test/pixel_formats_test.cc
27 #include "lib/image.h"
28 #include "lib/ffmpeg_image_proxy.h"
30 #include <boost/test/unit_test.hpp>
36 using boost::shared_ptr;
37 using namespace dcpomatic;
40 BOOST_AUTO_TEST_CASE (aligned_image_test)
42 Image* s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), true);
43 BOOST_CHECK_EQUAL (s->planes(), 1);
44 /* 160 is 150 aligned to the nearest 32 bytes */
45 BOOST_CHECK_EQUAL (s->stride()[0], 160);
46 BOOST_CHECK_EQUAL (s->line_size()[0], 150);
47 BOOST_CHECK (s->data()[0]);
48 BOOST_CHECK (!s->data()[1]);
49 BOOST_CHECK (!s->data()[2]);
50 BOOST_CHECK (!s->data()[3]);
52 /* copy constructor */
53 Image* t = new Image (*s);
54 BOOST_CHECK_EQUAL (t->planes(), 1);
55 BOOST_CHECK_EQUAL (t->stride()[0], 160);
56 BOOST_CHECK_EQUAL (t->line_size()[0], 150);
57 BOOST_CHECK (t->data()[0]);
58 BOOST_CHECK (!t->data()[1]);
59 BOOST_CHECK (!t->data()[2]);
60 BOOST_CHECK (!t->data()[3]);
61 BOOST_CHECK (t->data() != s->data());
62 BOOST_CHECK (t->data()[0] != s->data()[0]);
63 BOOST_CHECK (t->line_size() != s->line_size());
64 BOOST_CHECK_EQUAL (t->line_size()[0], s->line_size()[0]);
65 BOOST_CHECK (t->stride() != s->stride());
66 BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]);
68 /* assignment operator */
69 Image* u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), false);
71 BOOST_CHECK_EQUAL (u->planes(), 1);
72 BOOST_CHECK_EQUAL (u->stride()[0], 160);
73 BOOST_CHECK_EQUAL (u->line_size()[0], 150);
74 BOOST_CHECK (u->data()[0]);
75 BOOST_CHECK (!u->data()[1]);
76 BOOST_CHECK (!u->data()[2]);
77 BOOST_CHECK (!u->data()[3]);
78 BOOST_CHECK (u->data() != s->data());
79 BOOST_CHECK (u->data()[0] != s->data()[0]);
80 BOOST_CHECK (u->line_size() != s->line_size());
81 BOOST_CHECK_EQUAL (u->line_size()[0], s->line_size()[0]);
82 BOOST_CHECK (u->stride() != s->stride());
83 BOOST_CHECK_EQUAL (u->stride()[0], s->stride()[0]);
90 BOOST_AUTO_TEST_CASE (compact_image_test)
92 Image* s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), false);
93 BOOST_CHECK_EQUAL (s->planes(), 1);
94 BOOST_CHECK_EQUAL (s->stride()[0], 50 * 3);
95 BOOST_CHECK_EQUAL (s->line_size()[0], 50 * 3);
96 BOOST_CHECK (s->data()[0]);
97 BOOST_CHECK (!s->data()[1]);
98 BOOST_CHECK (!s->data()[2]);
99 BOOST_CHECK (!s->data()[3]);
101 /* copy constructor */
102 Image* t = new Image (*s);
103 BOOST_CHECK_EQUAL (t->planes(), 1);
104 BOOST_CHECK_EQUAL (t->stride()[0], 50 * 3);
105 BOOST_CHECK_EQUAL (t->line_size()[0], 50 * 3);
106 BOOST_CHECK (t->data()[0]);
107 BOOST_CHECK (!t->data()[1]);
108 BOOST_CHECK (!t->data()[2]);
109 BOOST_CHECK (!t->data()[3]);
110 BOOST_CHECK (t->data() != s->data());
111 BOOST_CHECK (t->data()[0] != s->data()[0]);
112 BOOST_CHECK (t->line_size() != s->line_size());
113 BOOST_CHECK_EQUAL (t->line_size()[0], s->line_size()[0]);
114 BOOST_CHECK (t->stride() != s->stride());
115 BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]);
117 /* assignment operator */
118 Image* u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), true);
120 BOOST_CHECK_EQUAL (u->planes(), 1);
121 BOOST_CHECK_EQUAL (u->stride()[0], 50 * 3);
122 BOOST_CHECK_EQUAL (u->line_size()[0], 50 * 3);
123 BOOST_CHECK (u->data()[0]);
124 BOOST_CHECK (!u->data()[1]);
125 BOOST_CHECK (!u->data()[2]);
126 BOOST_CHECK (!u->data()[3]);
127 BOOST_CHECK (u->data() != s->data());
128 BOOST_CHECK (u->data()[0] != s->data()[0]);
129 BOOST_CHECK (u->line_size() != s->line_size());
130 BOOST_CHECK_EQUAL (u->line_size()[0], s->line_size()[0]);
131 BOOST_CHECK (u->stride() != s->stride());
132 BOOST_CHECK_EQUAL (u->stride()[0], s->stride()[0]);
140 alpha_blend_test_one (AVPixelFormat format, string suffix)
142 shared_ptr<FFmpegImageProxy> proxy (new FFmpegImageProxy (TestPaths::private_data / "prophet_frame.tiff"));
143 shared_ptr<Image> raw = proxy->image().image;
144 shared_ptr<Image> background = raw->convert_pixel_format (dcp::YUV_TO_RGB_REC709, format, true, false);
146 shared_ptr<Image> overlay (new Image (AV_PIX_FMT_BGRA, dcp::Size(431, 891), true));
147 overlay->make_transparent ();
149 for (int y = 0; y < 128; ++y) {
150 uint8_t* p = overlay->data()[0] + y * overlay->stride()[0];
151 for (int x = 0; x < 128; ++x) {
157 for (int y = 128; y < 256; ++y) {
158 uint8_t* p = overlay->data()[0] + y * overlay->stride()[0];
159 for (int x = 0; x < 128; ++x) {
165 for (int y = 256; y < 384; ++y) {
166 uint8_t* p = overlay->data()[0] + y * overlay->stride()[0];
167 for (int x = 0; x < 128; ++x) {
173 background->alpha_blend (overlay, Position<int> (13, 17));
175 shared_ptr<Image> save = background->convert_pixel_format (dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, false, false);
177 write_image (save, "build/test/image_test_" + suffix + ".png", "RGB");
178 check_image ("build/test/image_test_" + suffix + ".png", TestPaths::private_data / ("image_test_" + suffix + ".png"));
181 /** Test Image::alpha_blend */
182 BOOST_AUTO_TEST_CASE (alpha_blend_test)
184 alpha_blend_test_one (AV_PIX_FMT_RGB24, "rgb24");
185 alpha_blend_test_one (AV_PIX_FMT_BGRA, "bgra");
186 alpha_blend_test_one (AV_PIX_FMT_RGBA, "rgba");
187 alpha_blend_test_one (AV_PIX_FMT_RGB48LE, "rgb48le");
188 alpha_blend_test_one (AV_PIX_FMT_YUV420P, "yuv420p");
189 alpha_blend_test_one (AV_PIX_FMT_YUV420P10, "yuv420p10");
190 alpha_blend_test_one (AV_PIX_FMT_YUV422P10LE, "yuv422p10le");
193 /** Test merge (list<PositionImage>) with a single image */
194 BOOST_AUTO_TEST_CASE (merge_test1)
196 int const stride = 48 * 4;
198 shared_ptr<Image> A (new Image (AV_PIX_FMT_BGRA, dcp::Size (48, 48), false));
199 A->make_transparent ();
200 uint8_t* a = A->data()[0];
202 for (int y = 0; y < 48; ++y) {
203 uint8_t* p = a + y * stride;
204 for (int x = 0; x < 16; ++x) {
212 list<PositionImage> all;
213 all.push_back (PositionImage (A, Position<int> (0, 0)));
214 PositionImage merged = merge (all);
216 BOOST_CHECK (merged.position == Position<int> (0, 0));
217 BOOST_CHECK_EQUAL (memcmp (merged.image->data()[0], A->data()[0], stride * 48), 0);
220 /** Test merge (list<PositionImage>) with two images */
221 BOOST_AUTO_TEST_CASE (merge_test2)
223 shared_ptr<Image> A (new Image (AV_PIX_FMT_BGRA, dcp::Size (48, 1), false));
224 A->make_transparent ();
225 uint8_t* a = A->data()[0];
226 for (int x = 0; x < 16; ++x) {
233 shared_ptr<Image> B (new Image (AV_PIX_FMT_BGRA, dcp::Size (48, 1), false));
234 B->make_transparent ();
235 uint8_t* b = B->data()[0];
236 for (int x = 0; x < 16; ++x) {
238 b[(x + 32) * 4 + 2] = 255;
240 b[(x + 32) * 4 + 3] = 255;
243 list<PositionImage> all;
244 all.push_back (PositionImage (A, Position<int> (0, 0)));
245 all.push_back (PositionImage (B, Position<int> (0, 0)));
246 PositionImage merged = merge (all);
248 BOOST_CHECK (merged.position == Position<int> (0, 0));
250 uint8_t* m = merged.image->data()[0];
252 for (int x = 0; x < 16; ++x) {
253 BOOST_CHECK_EQUAL (m[x * 4], 255);
254 BOOST_CHECK_EQUAL (m[x * 4 + 3], 255);
255 BOOST_CHECK_EQUAL (m[(x + 16) * 4 + 3], 0);
256 BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 2], 255);
257 BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 3], 255);
261 /** Test Image::crop_scale_window with YUV420P and some windowing */
262 BOOST_AUTO_TEST_CASE (crop_scale_window_test)
264 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/flat_red.png"));
265 shared_ptr<Image> raw = proxy->image().image;
266 shared_ptr<Image> out = raw->crop_scale_window(Crop(), dcp::Size(1998, 836), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_YUV420P, true, false);
267 shared_ptr<Image> save = out->scale(dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, false, false);
268 write_image(save, "build/test/crop_scale_window_test.png", "RGB");
269 check_image("test/data/crop_scale_window_test.png", "build/test/crop_scale_window_test.png");
272 /** Special cases of Image::crop_scale_window which triggered some valgrind warnings */
273 BOOST_AUTO_TEST_CASE (crop_scale_window_test2)
275 shared_ptr<Image> image (new Image(AV_PIX_FMT_XYZ12LE, dcp::Size(2048, 858), true));
276 image->crop_scale_window (Crop(279, 0, 0, 0), dcp::Size(1069, 448), dcp::Size(1069, 578), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_RGB24, false, false);
277 image->crop_scale_window (Crop(2048, 0, 0, 0), dcp::Size(1069, 448), dcp::Size(1069, 578), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_RGB24, false, false);
280 BOOST_AUTO_TEST_CASE (crop_scale_window_test3)
282 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png"));
283 shared_ptr<Image> xyz = proxy->image().image->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, true, false);
284 shared_ptr<Image> cropped = xyz->crop_scale_window(Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_RGB24, false, false);
285 write_image(cropped, "build/test/crop_scale_window_test3.png", "RGB", MagickCore::CharPixel);
286 check_image("test/data/crop_scale_window_test3.png", "build/test/crop_scale_window_test3.png");
289 BOOST_AUTO_TEST_CASE (crop_scale_window_test4)
291 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png"));
292 shared_ptr<Image> xyz = proxy->image().image->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, true, false);
293 shared_ptr<Image> cropped = xyz->crop_scale_window(Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_XYZ12LE, false, false);
294 write_image(cropped, "build/test/crop_scale_window_test4.png", "RGB", MagickCore::ShortPixel);
295 check_image("test/data/crop_scale_window_test4.png", "build/test/crop_scale_window_test4.png");
298 BOOST_AUTO_TEST_CASE (crop_scale_window_test5)
300 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png"));
301 shared_ptr<Image> xyz = proxy->image().image->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_XYZ12LE, true, false);
302 shared_ptr<Image> cropped = xyz->crop_scale_window(Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_RGB24, false, false);
303 write_image(cropped, "build/test/crop_scale_window_test5.png", "RGB", MagickCore::CharPixel);
304 check_image("test/data/crop_scale_window_test5.png", "build/test/crop_scale_window_test5.png");
307 BOOST_AUTO_TEST_CASE (crop_scale_window_test6)
309 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png"));
310 shared_ptr<Image> xyz = proxy->image().image->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_XYZ12LE, true, false);
311 shared_ptr<Image> cropped = xyz->crop_scale_window(Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_XYZ12LE, false, false);
312 write_image(cropped, "build/test/crop_scale_window_test6.png", "RGB", MagickCore::ShortPixel);
313 check_image("test/data/crop_scale_window_test6.png", "build/test/crop_scale_window_test6.png");
316 BOOST_AUTO_TEST_CASE (as_png_test)
318 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/3d_test/000001.png"));
319 shared_ptr<Image> image_rgb = proxy->image().image;
320 shared_ptr<Image> image_bgr = image_rgb->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_BGRA, true, false);
321 image_rgb->as_png().write ("build/test/as_png_rgb.png");
322 image_bgr->as_png().write ("build/test/as_png_bgr.png");
324 check_image ("test/data/3d_test/000001.png", "build/test/as_png_rgb.png");
325 check_image ("test/data/3d_test/000001.png", "build/test/as_png_bgr.png");
328 /* Very dumb test to fade black to make sure it stays black */
330 fade_test_format_black (AVPixelFormat f, string name)
332 Image yuv (f, dcp::Size(640, 480), true);
335 string const filename = "fade_test_black_" + name + ".png";
336 yuv.convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGBA, true, false)->as_png().write("build/test/" + filename);
337 check_image ("test/data/" + filename, "build/test/" + filename);
340 /* Fade red to make sure it stays red */
342 fade_test_format_red (AVPixelFormat f, float amount, string name)
344 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/flat_red.png"));
345 shared_ptr<Image> red = proxy->image().image->convert_pixel_format(dcp::YUV_TO_RGB_REC709, f, true, false);
347 string const filename = "fade_test_red_" + name + ".png";
348 red->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGBA, true, false)->as_png().write("build/test/" + filename);
349 check_image ("test/data/" + filename, "build/test/" + filename);
352 BOOST_AUTO_TEST_CASE (fade_test)
354 fade_test_format_black (AV_PIX_FMT_YUV420P, "yuv420p");
355 fade_test_format_black (AV_PIX_FMT_YUV422P10, "yuv422p10");
356 fade_test_format_black (AV_PIX_FMT_RGB24, "rgb24");
357 fade_test_format_black (AV_PIX_FMT_XYZ12LE, "xyz12le");
358 fade_test_format_black (AV_PIX_FMT_RGB48LE, "rgb48le");
360 fade_test_format_red (AV_PIX_FMT_YUV420P, 0, "yuv420p_0");
361 fade_test_format_red (AV_PIX_FMT_YUV420P, 0.5, "yuv420p_50");
362 fade_test_format_red (AV_PIX_FMT_YUV420P, 1, "yuv420p_100");
363 fade_test_format_red (AV_PIX_FMT_YUV422P10, 0, "yuv422p10_0");
364 fade_test_format_red (AV_PIX_FMT_YUV422P10, 0.5, "yuv422p10_50");
365 fade_test_format_red (AV_PIX_FMT_YUV422P10, 1, "yuv422p10_100");
366 fade_test_format_red (AV_PIX_FMT_RGB24, 0, "rgb24_0");
367 fade_test_format_red (AV_PIX_FMT_RGB24, 0.5, "rgb24_50");
368 fade_test_format_red (AV_PIX_FMT_RGB24, 1, "rgb24_100");
369 fade_test_format_red (AV_PIX_FMT_XYZ12LE, 0, "xyz12le_0");
370 fade_test_format_red (AV_PIX_FMT_XYZ12LE, 0.5, "xyz12le_50");
371 fade_test_format_red (AV_PIX_FMT_XYZ12LE, 1, "xyz12le_100");
372 fade_test_format_red (AV_PIX_FMT_RGB48LE, 0, "rgb48le_0");
373 fade_test_format_red (AV_PIX_FMT_RGB48LE, 0.5, "rgb48le_50");
374 fade_test_format_red (AV_PIX_FMT_RGB48LE, 1, "rgb48le_100");