2 Copyright (C) 2012-2021 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/>.
22 /** @file test/image_test.cc
23 * @brief Test Image class.
24 * @ingroup selfcontained
25 * @see test/pixel_formats_test.cc
29 #include "lib/compose.hpp"
30 #include "lib/image.h"
31 #include "lib/image_content.h"
32 #include "lib/image_decoder.h"
33 #include "lib/image_jpeg.h"
34 #include "lib/image_png.h"
35 #include "lib/ffmpeg_image_proxy.h"
37 #include <boost/test/unit_test.hpp>
43 using std::make_shared;
47 BOOST_AUTO_TEST_CASE (aligned_image_test)
49 auto s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), Image::Alignment::PADDED);
50 BOOST_CHECK_EQUAL (s->planes(), 1);
51 /* 192 is 150 aligned to the nearest 64 bytes */
52 BOOST_CHECK_EQUAL (s->stride()[0], 192);
53 BOOST_CHECK_EQUAL (s->line_size()[0], 150);
54 BOOST_CHECK (s->data()[0]);
55 BOOST_CHECK (!s->data()[1]);
56 BOOST_CHECK (!s->data()[2]);
57 BOOST_CHECK (!s->data()[3]);
59 /* copy constructor */
60 auto t = new Image (*s);
61 BOOST_CHECK_EQUAL (t->planes(), 1);
62 BOOST_CHECK_EQUAL (t->stride()[0], 192);
63 BOOST_CHECK_EQUAL (t->line_size()[0], 150);
64 BOOST_CHECK (t->data()[0]);
65 BOOST_CHECK (!t->data()[1]);
66 BOOST_CHECK (!t->data()[2]);
67 BOOST_CHECK (!t->data()[3]);
68 BOOST_CHECK (t->data() != s->data());
69 BOOST_CHECK (t->data()[0] != s->data()[0]);
70 BOOST_CHECK (t->line_size() != s->line_size());
71 BOOST_CHECK_EQUAL (t->line_size()[0], s->line_size()[0]);
72 BOOST_CHECK (t->stride() != s->stride());
73 BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]);
75 /* assignment operator */
76 auto u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), Image::Alignment::COMPACT);
78 BOOST_CHECK_EQUAL (u->planes(), 1);
79 BOOST_CHECK_EQUAL (u->stride()[0], 192);
80 BOOST_CHECK_EQUAL (u->line_size()[0], 150);
81 BOOST_CHECK (u->data()[0]);
82 BOOST_CHECK (!u->data()[1]);
83 BOOST_CHECK (!u->data()[2]);
84 BOOST_CHECK (!u->data()[3]);
85 BOOST_CHECK (u->data() != s->data());
86 BOOST_CHECK (u->data()[0] != s->data()[0]);
87 BOOST_CHECK (u->line_size() != s->line_size());
88 BOOST_CHECK_EQUAL (u->line_size()[0], s->line_size()[0]);
89 BOOST_CHECK (u->stride() != s->stride());
90 BOOST_CHECK_EQUAL (u->stride()[0], s->stride()[0]);
98 BOOST_AUTO_TEST_CASE (compact_image_test)
100 auto s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), Image::Alignment::COMPACT);
101 BOOST_CHECK_EQUAL (s->planes(), 1);
102 BOOST_CHECK_EQUAL (s->stride()[0], 50 * 3);
103 BOOST_CHECK_EQUAL (s->line_size()[0], 50 * 3);
104 BOOST_CHECK (s->data()[0]);
105 BOOST_CHECK (!s->data()[1]);
106 BOOST_CHECK (!s->data()[2]);
107 BOOST_CHECK (!s->data()[3]);
109 /* copy constructor */
110 auto t = new Image (*s);
111 BOOST_CHECK_EQUAL (t->planes(), 1);
112 BOOST_CHECK_EQUAL (t->stride()[0], 50 * 3);
113 BOOST_CHECK_EQUAL (t->line_size()[0], 50 * 3);
114 BOOST_CHECK (t->data()[0]);
115 BOOST_CHECK (!t->data()[1]);
116 BOOST_CHECK (!t->data()[2]);
117 BOOST_CHECK (!t->data()[3]);
118 BOOST_CHECK (t->data() != s->data());
119 BOOST_CHECK (t->data()[0] != s->data()[0]);
120 BOOST_CHECK (t->line_size() != s->line_size());
121 BOOST_CHECK_EQUAL (t->line_size()[0], s->line_size()[0]);
122 BOOST_CHECK (t->stride() != s->stride());
123 BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]);
125 /* assignment operator */
126 auto u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), Image::Alignment::PADDED);
128 BOOST_CHECK_EQUAL (u->planes(), 1);
129 BOOST_CHECK_EQUAL (u->stride()[0], 50 * 3);
130 BOOST_CHECK_EQUAL (u->line_size()[0], 50 * 3);
131 BOOST_CHECK (u->data()[0]);
132 BOOST_CHECK (!u->data()[1]);
133 BOOST_CHECK (!u->data()[2]);
134 BOOST_CHECK (!u->data()[3]);
135 BOOST_CHECK (u->data() != s->data());
136 BOOST_CHECK (u->data()[0] != s->data()[0]);
137 BOOST_CHECK (u->line_size() != s->line_size());
138 BOOST_CHECK_EQUAL (u->line_size()[0], s->line_size()[0]);
139 BOOST_CHECK (u->stride() != s->stride());
140 BOOST_CHECK_EQUAL (u->stride()[0], s->stride()[0]);
149 alpha_blend_test_one (AVPixelFormat format, string suffix)
151 auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "prophet_frame.tiff");
152 auto raw = proxy->image(Image::Alignment::PADDED).image;
153 auto background = raw->convert_pixel_format (dcp::YUVToRGB::REC709, format, Image::Alignment::PADDED, false);
155 auto overlay = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size(431, 891), Image::Alignment::PADDED);
156 overlay->make_transparent ();
158 for (int y = 0; y < 128; ++y) {
159 auto p = overlay->data()[0] + y * overlay->stride()[0];
160 for (int x = 0; x < 128; ++x) {
166 for (int y = 128; y < 256; ++y) {
167 auto p = overlay->data()[0] + y * overlay->stride()[0];
168 for (int x = 0; x < 128; ++x) {
174 for (int y = 256; y < 384; ++y) {
175 auto p = overlay->data()[0] + y * overlay->stride()[0];
176 for (int x = 0; x < 128; ++x) {
182 background->alpha_blend (overlay, Position<int> (13, 17));
184 auto save = background->convert_pixel_format (dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::COMPACT, false);
186 write_image (save, "build/test/image_test_" + suffix + ".png");
187 check_image ("build/test/image_test_" + suffix + ".png", TestPaths::private_data() / ("image_test_" + suffix + ".png"));
191 /** Test Image::alpha_blend */
192 BOOST_AUTO_TEST_CASE (alpha_blend_test)
194 alpha_blend_test_one (AV_PIX_FMT_RGB24, "rgb24");
195 alpha_blend_test_one (AV_PIX_FMT_BGRA, "bgra");
196 alpha_blend_test_one (AV_PIX_FMT_RGBA, "rgba");
197 alpha_blend_test_one (AV_PIX_FMT_RGB48LE, "rgb48le");
198 alpha_blend_test_one (AV_PIX_FMT_YUV420P, "yuv420p");
199 alpha_blend_test_one (AV_PIX_FMT_YUV420P10, "yuv420p10");
200 alpha_blend_test_one (AV_PIX_FMT_YUV422P10LE, "yuv422p10le");
204 /** Test merge (list<PositionImage>) with a single image */
205 BOOST_AUTO_TEST_CASE (merge_test1)
207 int const stride = 48 * 4;
209 auto A = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size (48, 48), Image::Alignment::COMPACT);
210 A->make_transparent ();
211 auto a = A->data()[0];
213 for (int y = 0; y < 48; ++y) {
214 auto p = a + y * stride;
215 for (int x = 0; x < 16; ++x) {
223 list<PositionImage> all;
224 all.push_back (PositionImage (A, Position<int>(0, 0)));
225 auto merged = merge (all, Image::Alignment::COMPACT);
227 BOOST_CHECK (merged.position == Position<int>(0, 0));
228 BOOST_CHECK_EQUAL (memcmp (merged.image->data()[0], A->data()[0], stride * 48), 0);
232 /** Test merge (list<PositionImage>) with two images */
233 BOOST_AUTO_TEST_CASE (merge_test2)
235 auto A = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size (48, 1), Image::Alignment::COMPACT);
236 A->make_transparent ();
237 auto a = A->data()[0];
238 for (int x = 0; x < 16; ++x) {
245 auto B = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size (48, 1), Image::Alignment::COMPACT);
246 B->make_transparent ();
247 auto b = B->data()[0];
248 for (int x = 0; x < 16; ++x) {
250 b[(x + 32) * 4 + 2] = 255;
252 b[(x + 32) * 4 + 3] = 255;
255 list<PositionImage> all;
256 all.push_back (PositionImage(A, Position<int>(0, 0)));
257 all.push_back (PositionImage(B, Position<int>(0, 0)));
258 auto merged = merge (all, Image::Alignment::COMPACT);
260 BOOST_CHECK (merged.position == Position<int>(0, 0));
262 auto m = merged.image->data()[0];
264 for (int x = 0; x < 16; ++x) {
265 BOOST_CHECK_EQUAL (m[x * 4], 255);
266 BOOST_CHECK_EQUAL (m[x * 4 + 3], 255);
267 BOOST_CHECK_EQUAL (m[(x + 16) * 4 + 3], 0);
268 BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 2], 255);
269 BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 3], 255);
274 /** Test Image::crop_scale_window with YUV420P and some windowing */
275 BOOST_AUTO_TEST_CASE (crop_scale_window_test)
277 auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
278 auto raw = proxy->image(Image::Alignment::PADDED).image;
279 auto out = raw->crop_scale_window(
280 Crop(), dcp::Size(1998, 836), dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_YUV420P, VideoRange::FULL, Image::Alignment::PADDED, false
282 auto save = out->scale(dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::COMPACT, false);
283 write_image(save, "build/test/crop_scale_window_test.png");
284 check_image("test/data/crop_scale_window_test.png", "build/test/crop_scale_window_test.png");
288 /** Special cases of Image::crop_scale_window which triggered some valgrind warnings */
289 BOOST_AUTO_TEST_CASE (crop_scale_window_test2)
291 auto image = make_shared<Image>(AV_PIX_FMT_XYZ12LE, dcp::Size(2048, 858), Image::Alignment::PADDED);
292 image->crop_scale_window (
293 Crop(279, 0, 0, 0), dcp::Size(1069, 448), dcp::Size(1069, 578), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_RGB24, VideoRange::FULL, Image::Alignment::COMPACT, false
295 image->crop_scale_window (
296 Crop(2048, 0, 0, 0), dcp::Size(1069, 448), dcp::Size(1069, 578), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_RGB24, VideoRange::FULL, Image::Alignment::COMPACT, false
301 BOOST_AUTO_TEST_CASE (crop_scale_window_test3)
303 auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
304 auto xyz = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
305 auto cropped = xyz->crop_scale_window(
306 Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_RGB24, VideoRange::FULL, Image::Alignment::COMPACT, false
308 write_image(cropped, "build/test/crop_scale_window_test3.png");
309 check_image("test/data/crop_scale_window_test3.png", "build/test/crop_scale_window_test3.png");
313 BOOST_AUTO_TEST_CASE (crop_scale_window_test4)
315 auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
316 auto xyz = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
317 auto cropped = xyz->crop_scale_window(
318 Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_XYZ12LE, VideoRange::FULL, Image::Alignment::COMPACT, false
320 write_image(cropped, "build/test/crop_scale_window_test4.png");
321 check_image("test/data/crop_scale_window_test4.png", "build/test/crop_scale_window_test4.png", 35000);
325 BOOST_AUTO_TEST_CASE (crop_scale_window_test5)
327 auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
328 auto xyz = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_XYZ12LE, Image::Alignment::PADDED, false);
329 auto cropped = xyz->crop_scale_window(
330 Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_RGB24, VideoRange::FULL, Image::Alignment::COMPACT, false
332 write_image(cropped, "build/test/crop_scale_window_test5.png");
333 check_image("test/data/crop_scale_window_test5.png", "build/test/crop_scale_window_test5.png");
337 BOOST_AUTO_TEST_CASE (crop_scale_window_test6)
339 auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
340 auto xyz = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_XYZ12LE, Image::Alignment::PADDED, false);
341 auto cropped = xyz->crop_scale_window(
342 Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_XYZ12LE, VideoRange::FULL, Image::Alignment::COMPACT, false
344 write_image(cropped, "build/test/crop_scale_window_test6.png");
345 check_image("test/data/crop_scale_window_test6.png", "build/test/crop_scale_window_test6.png", 35000);
349 /** Test some small crops with an image that shows up errors in registration of the YUV planes (#1872) */
350 BOOST_AUTO_TEST_CASE (crop_scale_window_test7)
352 using namespace boost::filesystem;
353 for (int left_crop = 0; left_crop < 8; ++left_crop) {
354 auto proxy = make_shared<FFmpegImageProxy>("test/data/rgb_grey_testcard.png");
355 auto yuv = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_YUV420P, Image::Alignment::PADDED, false);
356 int rounded = left_crop - (left_crop % 2);
357 auto cropped = yuv->crop_scale_window(
358 Crop(left_crop, 0, 0, 0),
359 dcp::Size(1998 - rounded, 1080),
360 dcp::Size(1998 - rounded, 1080),
361 dcp::YUVToRGB::REC709,
365 Image::Alignment::PADDED,
368 path file = String::compose("crop_scale_window_test7-%1.png", left_crop);
369 write_image(cropped, path("build") / "test" / file);
370 check_image(path("test") / "data" / file, path("build") / "test" / file, 10);
375 BOOST_AUTO_TEST_CASE (as_png_test)
377 auto proxy = make_shared<FFmpegImageProxy>("test/data/3d_test/000001.png");
378 auto image_rgb = proxy->image(Image::Alignment::PADDED).image;
379 auto image_bgr = image_rgb->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_BGRA, Image::Alignment::PADDED, false);
380 image_as_png(image_rgb).write ("build/test/as_png_rgb.png");
381 image_as_png(image_bgr).write ("build/test/as_png_bgr.png");
383 check_image ("test/data/3d_test/000001.png", "build/test/as_png_rgb.png");
384 check_image ("test/data/3d_test/000001.png", "build/test/as_png_bgr.png");
388 BOOST_AUTO_TEST_CASE (as_jpeg_test)
390 auto proxy = make_shared<FFmpegImageProxy>("test/data/3d_test/000001.png");
391 auto image_rgb = proxy->image(Image::Alignment::PADDED).image;
392 auto image_bgr = image_rgb->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_BGRA, Image::Alignment::PADDED, false);
393 image_as_jpeg(image_rgb, 60).write("build/test/as_jpeg_rgb.jpeg");
394 image_as_jpeg(image_bgr, 60).write("build/test/as_jpeg_bgr.jpeg");
396 check_image ("test/data/as_jpeg_rgb.jpeg", "build/test/as_jpeg_rgb.jpeg");
397 check_image ("test/data/as_jpeg_bgr.jpeg", "build/test/as_jpeg_bgr.jpeg");
401 /* Very dumb test to fade black to make sure it stays black */
403 fade_test_format_black (AVPixelFormat f, string name)
405 Image yuv (f, dcp::Size(640, 480), Image::Alignment::PADDED);
408 string const filename = "fade_test_black_" + name + ".png";
409 image_as_png(yuv.convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGBA, Image::Alignment::PADDED, false)).write("build/test/" + filename);
410 check_image ("test/data/" + filename, "build/test/" + filename);
414 /* Fade red to make sure it stays red */
416 fade_test_format_red (AVPixelFormat f, float amount, string name)
418 auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
419 auto red = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, f, Image::Alignment::PADDED, false);
421 string const filename = "fade_test_red_" + name + ".png";
422 image_as_png(red->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGBA, Image::Alignment::PADDED, false)).write("build/test/" + filename);
423 check_image ("test/data/" + filename, "build/test/" + filename);
427 BOOST_AUTO_TEST_CASE (fade_test)
429 fade_test_format_black (AV_PIX_FMT_YUV420P, "yuv420p");
430 fade_test_format_black (AV_PIX_FMT_YUV422P10, "yuv422p10");
431 fade_test_format_black (AV_PIX_FMT_RGB24, "rgb24");
432 fade_test_format_black (AV_PIX_FMT_XYZ12LE, "xyz12le");
433 fade_test_format_black (AV_PIX_FMT_RGB48LE, "rgb48le");
435 fade_test_format_red (AV_PIX_FMT_YUV420P, 0, "yuv420p_0");
436 fade_test_format_red (AV_PIX_FMT_YUV420P, 0.5, "yuv420p_50");
437 fade_test_format_red (AV_PIX_FMT_YUV420P, 1, "yuv420p_100");
438 fade_test_format_red (AV_PIX_FMT_YUV422P10, 0, "yuv422p10_0");
439 fade_test_format_red (AV_PIX_FMT_YUV422P10, 0.5, "yuv422p10_50");
440 fade_test_format_red (AV_PIX_FMT_YUV422P10, 1, "yuv422p10_100");
441 fade_test_format_red (AV_PIX_FMT_RGB24, 0, "rgb24_0");
442 fade_test_format_red (AV_PIX_FMT_RGB24, 0.5, "rgb24_50");
443 fade_test_format_red (AV_PIX_FMT_RGB24, 1, "rgb24_100");
444 fade_test_format_red (AV_PIX_FMT_XYZ12LE, 0, "xyz12le_0");
445 fade_test_format_red (AV_PIX_FMT_XYZ12LE, 0.5, "xyz12le_50");
446 fade_test_format_red (AV_PIX_FMT_XYZ12LE, 1, "xyz12le_100");
447 fade_test_format_red (AV_PIX_FMT_RGB48LE, 0, "rgb48le_0");
448 fade_test_format_red (AV_PIX_FMT_RGB48LE, 0.5, "rgb48le_50");
449 fade_test_format_red (AV_PIX_FMT_RGB48LE, 1, "rgb48le_100");
453 BOOST_AUTO_TEST_CASE (make_black_test)
455 dcp::Size in_size (512, 512);
456 dcp::Size out_size (1024, 1024);
458 list<AVPixelFormat> pix_fmts = {
459 AV_PIX_FMT_RGB24, // 2
464 AV_PIX_FMT_YUV420P, // 0
466 AV_PIX_FMT_YUV422P10LE,
467 AV_PIX_FMT_YUV422P16LE,
468 AV_PIX_FMT_YUV444P9LE,
469 AV_PIX_FMT_YUV444P9BE,
470 AV_PIX_FMT_YUV444P10LE,
471 AV_PIX_FMT_YUV444P10BE,
476 AV_PIX_FMT_YUVA420P9BE,
477 AV_PIX_FMT_YUVA422P9BE,
478 AV_PIX_FMT_YUVA444P9BE,
479 AV_PIX_FMT_YUVA420P9LE,
480 AV_PIX_FMT_YUVA422P9LE,
481 AV_PIX_FMT_YUVA444P9LE,
482 AV_PIX_FMT_YUVA420P10BE,
483 AV_PIX_FMT_YUVA422P10BE,
484 AV_PIX_FMT_YUVA444P10BE,
485 AV_PIX_FMT_YUVA420P10LE,
486 AV_PIX_FMT_YUVA422P10LE,
487 AV_PIX_FMT_YUVA444P10LE,
488 AV_PIX_FMT_YUVA420P16BE,
489 AV_PIX_FMT_YUVA422P16BE,
490 AV_PIX_FMT_YUVA444P16BE,
491 AV_PIX_FMT_YUVA420P16LE,
492 AV_PIX_FMT_YUVA422P16LE,
493 AV_PIX_FMT_YUVA444P16LE,
494 AV_PIX_FMT_RGB555LE, // 46
498 for (auto i: pix_fmts) {
499 auto foo = make_shared<Image>(i, in_size, Image::Alignment::PADDED);
501 auto bar = foo->scale (out_size, dcp::YUVToRGB::REC601, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
503 uint8_t* p = bar->data()[0];
504 for (int y = 0; y < bar->size().height; ++y) {
506 for (int x = 0; x < bar->line_size()[0]; ++x) {
508 std::cerr << "x=" << x << ", (x%3)=" << (x%3) << "\n";
510 BOOST_CHECK_EQUAL (*q++, 0);
512 p += bar->stride()[0];
520 BOOST_AUTO_TEST_CASE (make_part_black_test)
522 auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
523 auto original = proxy->image(Image::Alignment::PADDED).image;
525 list<AVPixelFormat> pix_fmts = {
532 AV_PIX_FMT_YUV422P10LE,
535 list<std::pair<int, int>> positions = {
541 for (auto i: pix_fmts) {
542 for (auto j: positions) {
543 auto foo = original->convert_pixel_format(dcp::YUVToRGB::REC601, i, Image::Alignment::PADDED, false);
544 foo->make_part_black (j.first, j.second);
545 auto bar = foo->convert_pixel_format (dcp::YUVToRGB::REC601, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
547 auto p = bar->data()[0];
548 for (int y = 0; y < bar->size().height; ++y) {
550 for (int x = 0; x < bar->size().width; ++x) {
554 if (x >= j.first && x < (j.first + j.second)) {
555 BOOST_CHECK_MESSAGE (
556 r < 3, "red=" << static_cast<int>(r) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
559 BOOST_CHECK_MESSAGE (
560 r >= 252, "red=" << static_cast<int>(r) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
564 BOOST_CHECK_MESSAGE (
565 g == 0, "green=" << static_cast<int>(g) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
567 BOOST_CHECK_MESSAGE (
568 b == 0, "blue=" << static_cast<int>(b) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
571 p += bar->stride()[0];
580 /** Make sure the image isn't corrupted if it is cropped too much. This can happen when a
581 * filler 128x128 black frame is emitted from the FFmpegDecoder and the overall crop in either direction
582 * is greater than 128 pixels.
584 BOOST_AUTO_TEST_CASE (over_crop_test)
586 auto image = make_shared<Image>(AV_PIX_FMT_RGB24, dcp::Size(128, 128), Image::Alignment::PADDED);
587 image->make_black ();
588 auto scaled = image->crop_scale_window (
589 Crop(0, 0, 128, 128), dcp::Size(1323, 565), dcp::Size(1349, 565), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_RGB24, VideoRange::FULL, Image::Alignment::PADDED, true
591 string const filename = "over_crop_test.png";
592 write_image (scaled, "build/test/" + filename);
593 check_image ("test/data/" + filename, "build/test/" + filename);