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/compose.hpp"
28 #include "lib/image.h"
29 #include "lib/image_content.h"
30 #include "lib/image_decoder.h"
31 #include "lib/ffmpeg_image_proxy.h"
33 #include <boost/test/unit_test.hpp>
39 using boost::shared_ptr;
41 BOOST_AUTO_TEST_CASE (aligned_image_test)
43 Image* s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), true);
44 BOOST_CHECK_EQUAL (s->planes(), 1);
45 /* 192 is 150 aligned to the nearest 64 bytes */
46 BOOST_CHECK_EQUAL (s->stride()[0], 192);
47 BOOST_CHECK_EQUAL (s->line_size()[0], 150);
48 BOOST_CHECK (s->data()[0]);
49 BOOST_CHECK (!s->data()[1]);
50 BOOST_CHECK (!s->data()[2]);
51 BOOST_CHECK (!s->data()[3]);
53 /* copy constructor */
54 Image* t = new Image (*s);
55 BOOST_CHECK_EQUAL (t->planes(), 1);
56 BOOST_CHECK_EQUAL (t->stride()[0], 192);
57 BOOST_CHECK_EQUAL (t->line_size()[0], 150);
58 BOOST_CHECK (t->data()[0]);
59 BOOST_CHECK (!t->data()[1]);
60 BOOST_CHECK (!t->data()[2]);
61 BOOST_CHECK (!t->data()[3]);
62 BOOST_CHECK (t->data() != s->data());
63 BOOST_CHECK (t->data()[0] != s->data()[0]);
64 BOOST_CHECK (t->line_size() != s->line_size());
65 BOOST_CHECK_EQUAL (t->line_size()[0], s->line_size()[0]);
66 BOOST_CHECK (t->stride() != s->stride());
67 BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]);
69 /* assignment operator */
70 Image* u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), false);
72 BOOST_CHECK_EQUAL (u->planes(), 1);
73 BOOST_CHECK_EQUAL (u->stride()[0], 192);
74 BOOST_CHECK_EQUAL (u->line_size()[0], 150);
75 BOOST_CHECK (u->data()[0]);
76 BOOST_CHECK (!u->data()[1]);
77 BOOST_CHECK (!u->data()[2]);
78 BOOST_CHECK (!u->data()[3]);
79 BOOST_CHECK (u->data() != s->data());
80 BOOST_CHECK (u->data()[0] != s->data()[0]);
81 BOOST_CHECK (u->line_size() != s->line_size());
82 BOOST_CHECK_EQUAL (u->line_size()[0], s->line_size()[0]);
83 BOOST_CHECK (u->stride() != s->stride());
84 BOOST_CHECK_EQUAL (u->stride()[0], s->stride()[0]);
91 BOOST_AUTO_TEST_CASE (compact_image_test)
93 Image* s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), false);
94 BOOST_CHECK_EQUAL (s->planes(), 1);
95 BOOST_CHECK_EQUAL (s->stride()[0], 50 * 3);
96 BOOST_CHECK_EQUAL (s->line_size()[0], 50 * 3);
97 BOOST_CHECK (s->data()[0]);
98 BOOST_CHECK (!s->data()[1]);
99 BOOST_CHECK (!s->data()[2]);
100 BOOST_CHECK (!s->data()[3]);
102 /* copy constructor */
103 Image* t = new Image (*s);
104 BOOST_CHECK_EQUAL (t->planes(), 1);
105 BOOST_CHECK_EQUAL (t->stride()[0], 50 * 3);
106 BOOST_CHECK_EQUAL (t->line_size()[0], 50 * 3);
107 BOOST_CHECK (t->data()[0]);
108 BOOST_CHECK (!t->data()[1]);
109 BOOST_CHECK (!t->data()[2]);
110 BOOST_CHECK (!t->data()[3]);
111 BOOST_CHECK (t->data() != s->data());
112 BOOST_CHECK (t->data()[0] != s->data()[0]);
113 BOOST_CHECK (t->line_size() != s->line_size());
114 BOOST_CHECK_EQUAL (t->line_size()[0], s->line_size()[0]);
115 BOOST_CHECK (t->stride() != s->stride());
116 BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]);
118 /* assignment operator */
119 Image* u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), true);
121 BOOST_CHECK_EQUAL (u->planes(), 1);
122 BOOST_CHECK_EQUAL (u->stride()[0], 50 * 3);
123 BOOST_CHECK_EQUAL (u->line_size()[0], 50 * 3);
124 BOOST_CHECK (u->data()[0]);
125 BOOST_CHECK (!u->data()[1]);
126 BOOST_CHECK (!u->data()[2]);
127 BOOST_CHECK (!u->data()[3]);
128 BOOST_CHECK (u->data() != s->data());
129 BOOST_CHECK (u->data()[0] != s->data()[0]);
130 BOOST_CHECK (u->line_size() != s->line_size());
131 BOOST_CHECK_EQUAL (u->line_size()[0], s->line_size()[0]);
132 BOOST_CHECK (u->stride() != s->stride());
133 BOOST_CHECK_EQUAL (u->stride()[0], s->stride()[0]);
141 alpha_blend_test_one (AVPixelFormat format, string suffix)
143 shared_ptr<FFmpegImageProxy> proxy (new FFmpegImageProxy (private_data / "prophet_frame.tiff"));
144 shared_ptr<Image> raw = proxy->image().first;
145 shared_ptr<Image> background = raw->convert_pixel_format (dcp::YUV_TO_RGB_REC709, format, true, false);
147 shared_ptr<Image> overlay (new Image (AV_PIX_FMT_BGRA, dcp::Size(431, 891), true));
148 overlay->make_transparent ();
150 for (int y = 0; y < 128; ++y) {
151 uint8_t* p = overlay->data()[0] + y * overlay->stride()[0];
152 for (int x = 0; x < 128; ++x) {
158 for (int y = 128; y < 256; ++y) {
159 uint8_t* p = overlay->data()[0] + y * overlay->stride()[0];
160 for (int x = 0; x < 128; ++x) {
166 for (int y = 256; y < 384; ++y) {
167 uint8_t* p = overlay->data()[0] + y * overlay->stride()[0];
168 for (int x = 0; x < 128; ++x) {
174 background->alpha_blend (overlay, Position<int> (13, 17));
176 shared_ptr<Image> save = background->convert_pixel_format (dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, false, false);
178 write_image (save, "build/test/image_test_" + suffix + ".png", "RGB");
179 check_image ("build/test/image_test_" + suffix + ".png", private_data / ("image_test_" + suffix + ".png"));
182 /** Test Image::alpha_blend */
183 BOOST_AUTO_TEST_CASE (alpha_blend_test)
185 alpha_blend_test_one (AV_PIX_FMT_RGB24, "rgb24");
186 alpha_blend_test_one (AV_PIX_FMT_BGRA, "bgra");
187 alpha_blend_test_one (AV_PIX_FMT_RGBA, "rgba");
188 alpha_blend_test_one (AV_PIX_FMT_RGB48LE, "rgb48le");
189 alpha_blend_test_one (AV_PIX_FMT_YUV420P, "yuv420p");
190 alpha_blend_test_one (AV_PIX_FMT_YUV420P10, "yuv420p10");
191 alpha_blend_test_one (AV_PIX_FMT_YUV422P10LE, "yuv422p10le");
194 /** Test merge (list<PositionImage>) with a single image */
195 BOOST_AUTO_TEST_CASE (merge_test1)
197 int const stride = 48 * 4;
199 shared_ptr<Image> A (new Image (AV_PIX_FMT_BGRA, dcp::Size (48, 48), false));
200 A->make_transparent ();
201 uint8_t* a = A->data()[0];
203 for (int y = 0; y < 48; ++y) {
204 uint8_t* p = a + y * stride;
205 for (int x = 0; x < 16; ++x) {
213 list<PositionImage> all;
214 all.push_back (PositionImage (A, Position<int> (0, 0)));
215 PositionImage merged = merge (all);
217 BOOST_CHECK (merged.position == Position<int> (0, 0));
218 BOOST_CHECK_EQUAL (memcmp (merged.image->data()[0], A->data()[0], stride * 48), 0);
221 /** Test merge (list<PositionImage>) with two images */
222 BOOST_AUTO_TEST_CASE (merge_test2)
224 shared_ptr<Image> A (new Image (AV_PIX_FMT_BGRA, dcp::Size (48, 1), false));
225 A->make_transparent ();
226 uint8_t* a = A->data()[0];
227 for (int x = 0; x < 16; ++x) {
234 shared_ptr<Image> B (new Image (AV_PIX_FMT_BGRA, dcp::Size (48, 1), false));
235 B->make_transparent ();
236 uint8_t* b = B->data()[0];
237 for (int x = 0; x < 16; ++x) {
239 b[(x + 32) * 4 + 2] = 255;
241 b[(x + 32) * 4 + 3] = 255;
244 list<PositionImage> all;
245 all.push_back (PositionImage (A, Position<int> (0, 0)));
246 all.push_back (PositionImage (B, Position<int> (0, 0)));
247 PositionImage merged = merge (all);
249 BOOST_CHECK (merged.position == Position<int> (0, 0));
251 uint8_t* m = merged.image->data()[0];
253 for (int x = 0; x < 16; ++x) {
254 BOOST_CHECK_EQUAL (m[x * 4], 255);
255 BOOST_CHECK_EQUAL (m[x * 4 + 3], 255);
256 BOOST_CHECK_EQUAL (m[(x + 16) * 4 + 3], 0);
257 BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 2], 255);
258 BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 3], 255);
262 /** Test Image::crop_scale_window with YUV420P and some windowing */
263 BOOST_AUTO_TEST_CASE (crop_scale_window_test)
265 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/flat_red.png"));
266 shared_ptr<Image> raw = proxy->image().first;
267 shared_ptr<Image> out = raw->crop_scale_window(Crop(), dcp::Size(1998, 836), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_YUV420P, true, false);
268 shared_ptr<Image> save = out->scale(dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, false, false);
269 write_image(save, "build/test/crop_scale_window_test.png", "RGB");
270 check_image("test/data/crop_scale_window_test.png", "build/test/crop_scale_window_test.png");
273 /** Special cases of Image::crop_scale_window which triggered some valgrind warnings */
274 BOOST_AUTO_TEST_CASE (crop_scale_window_test2)
276 shared_ptr<Image> image (new Image(AV_PIX_FMT_XYZ12LE, dcp::Size(2048, 858), true));
277 image->crop_scale_window (Crop(279, 0, 0, 0), dcp::Size(1069, 448), dcp::Size(1069, 578), dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, false, false);
278 image->crop_scale_window (Crop(2048, 0, 0, 0), dcp::Size(1069, 448), dcp::Size(1069, 578), dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, false, false);
281 BOOST_AUTO_TEST_CASE (crop_scale_window_test3)
283 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png"));
284 shared_ptr<Image> xyz = proxy->image().first->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, true, false);
285 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, AV_PIX_FMT_RGB24, false, false);
286 write_image(cropped, "build/test/crop_scale_window_test3.png", "RGB", MagickCore::CharPixel);
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().first->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, AV_PIX_FMT_XYZ12LE, false, false);
294 write_image(cropped, "build/test/crop_scale_window_test4.png", "RGB", MagickCore::ShortPixel);
297 BOOST_AUTO_TEST_CASE (crop_scale_window_test5)
299 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png"));
300 shared_ptr<Image> xyz = proxy->image().first->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_XYZ12LE, true, false);
301 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, AV_PIX_FMT_RGB24, false, false);
302 write_image(cropped, "build/test/crop_scale_window_test5.png", "RGB", MagickCore::CharPixel);
305 BOOST_AUTO_TEST_CASE (crop_scale_window_test6)
307 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png"));
308 shared_ptr<Image> xyz = proxy->image().first->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_XYZ12LE, true, false);
309 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, AV_PIX_FMT_XYZ12LE, false, false);
310 write_image(cropped, "build/test/crop_scale_window_test6.png", "RGB", MagickCore::ShortPixel);
314 /** Test some small crops with an image that shows up errors in registration of the YUV planes (#1872) */
315 BOOST_AUTO_TEST_CASE (crop_scale_window_test7)
317 using namespace boost::filesystem;
318 for (int left_crop = 0; left_crop < 8; ++left_crop) {
319 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/rgb_grey_testcard.png"));
320 shared_ptr<Image> yuv = proxy->image().first->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_YUV420P, true, false);
321 int rounded = left_crop - (left_crop % 2);
322 shared_ptr<Image> cropped = yuv->crop_scale_window(
323 Crop(left_crop, 0, 0, 0),
324 dcp::Size(1998 - rounded, 1080),
325 dcp::Size(1998 - rounded, 1080),
326 dcp::YUV_TO_RGB_REC709,
331 path file = String::compose("crop_scale_window_test7-%1.png", left_crop);
332 write_image(cropped, path("build") / "test" / file, "RGB");
333 check_image(path("test") / "data" / file, path("build") / "test" / file, 10);
338 BOOST_AUTO_TEST_CASE (as_png_test)
340 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/3d_test/000001.png"));
341 shared_ptr<Image> image_rgb = proxy->image().first;
342 shared_ptr<Image> image_bgr = image_rgb->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_BGRA, true, false);
343 image_rgb->as_png().write ("build/test/as_png_rgb.png");
344 image_bgr->as_png().write ("build/test/as_png_bgr.png");
346 check_image ("test/data/3d_test/000001.png", "build/test/as_png_rgb.png");
347 check_image ("test/data/3d_test/000001.png", "build/test/as_png_bgr.png");
350 /* Very dumb test to fade black to make sure it stays black */
352 fade_test_format_black (AVPixelFormat f, string name)
354 Image yuv (f, dcp::Size(640, 480), true);
357 string const filename = "fade_test_black_" + name + ".png";
358 yuv.convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGBA, true, false)->as_png().write("build/test/" + filename);
359 check_image ("test/data/" + filename, "build/test/" + filename);
362 /* Fade red to make sure it stays red */
364 fade_test_format_red (AVPixelFormat f, float amount, string name)
366 shared_ptr<FFmpegImageProxy> proxy(new FFmpegImageProxy("test/data/flat_red.png"));
367 shared_ptr<Image> red = proxy->image().first->convert_pixel_format(dcp::YUV_TO_RGB_REC709, f, true, false);
369 string const filename = "fade_test_red_" + name + ".png";
370 red->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGBA, true, false)->as_png().write("build/test/" + filename);
371 check_image ("test/data/" + filename, "build/test/" + filename);
374 BOOST_AUTO_TEST_CASE (fade_test)
376 fade_test_format_black (AV_PIX_FMT_YUV420P, "yuv420p");
377 fade_test_format_black (AV_PIX_FMT_YUV422P10, "yuv422p10");
378 fade_test_format_black (AV_PIX_FMT_RGB24, "rgb24");
379 fade_test_format_black (AV_PIX_FMT_XYZ12LE, "xyz12le");
380 fade_test_format_black (AV_PIX_FMT_RGB48LE, "rgb48le");
382 fade_test_format_red (AV_PIX_FMT_YUV420P, 0, "yuv420p_0");
383 fade_test_format_red (AV_PIX_FMT_YUV420P, 0.5, "yuv420p_50");
384 fade_test_format_red (AV_PIX_FMT_YUV420P, 1, "yuv420p_100");
385 fade_test_format_red (AV_PIX_FMT_YUV422P10, 0, "yuv422p10_0");
386 fade_test_format_red (AV_PIX_FMT_YUV422P10, 0.5, "yuv422p10_50");
387 fade_test_format_red (AV_PIX_FMT_YUV422P10, 1, "yuv422p10_100");
388 fade_test_format_red (AV_PIX_FMT_RGB24, 0, "rgb24_0");
389 fade_test_format_red (AV_PIX_FMT_RGB24, 0.5, "rgb24_50");
390 fade_test_format_red (AV_PIX_FMT_RGB24, 1, "rgb24_100");
391 fade_test_format_red (AV_PIX_FMT_XYZ12LE, 0, "xyz12le_0");
392 fade_test_format_red (AV_PIX_FMT_XYZ12LE, 0.5, "xyz12le_50");
393 fade_test_format_red (AV_PIX_FMT_XYZ12LE, 1, "xyz12le_100");
394 fade_test_format_red (AV_PIX_FMT_RGB48LE, 0, "rgb48le_0");
395 fade_test_format_red (AV_PIX_FMT_RGB48LE, 0.5, "rgb48le_50");
396 fade_test_format_red (AV_PIX_FMT_RGB48LE, 1, "rgb48le_100");
400 /** Make sure the image isn't corrupted if it is cropped too much. This can happen when a
401 * filler 128x128 black frame is emitted from the FFmpegDecoder and the overall crop in either direction
402 * is greater than 128 pixels.
404 BOOST_AUTO_TEST_CASE (over_crop_test)
406 shared_ptr<Image> image (new Image (AV_PIX_FMT_RGB24, dcp::Size(128, 128), true));
407 image->make_black ();
408 shared_ptr<Image> scaled = image->crop_scale_window (Crop(0, 0, 128, 128), dcp::Size(1323, 565), dcp::Size(1349, 565), dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, true, true);
409 string const filename = "over_crop_test.png";
410 write_image (scaled, "build/test/" + filename, "RGB");
411 check_image ("test/data/" + filename, "build/test/" + filename);