test/image_test.cc

   1 /*
   2     Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   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.
  10
  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.
  15
  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/>.
  18
  19 */
  20
  21
  22 /** @file  test/image_test.cc
  23  *  @brief Test Image class.
  24  *  @ingroup selfcontained
  25  *  @see test/pixel_formats_test.cc
  26  */
  27
  28
  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/ffmpeg_image_proxy.h"
  34 #include "test.h"
  35 #include <boost/test/unit_test.hpp>
  36 #include <iostream>
  37
  38
  39 using std::cout;
  40 using std::list;
  41 using std::make_shared;
  42 using std::string;
  43
  44
  45 BOOST_AUTO_TEST_CASE (aligned_image_test)
  46 {
  47         auto s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), Image::Alignment::PADDED);
  48         BOOST_CHECK_EQUAL (s->planes(), 1);
  49         /* 192 is 150 aligned to the nearest 64 bytes */
  50         BOOST_CHECK_EQUAL (s->stride()[0], 192);
  51         BOOST_CHECK_EQUAL (s->line_size()[0], 150);
  52         BOOST_CHECK (s->data()[0]);
  53         BOOST_CHECK (!s->data()[1]);
  54         BOOST_CHECK (!s->data()[2]);
  55         BOOST_CHECK (!s->data()[3]);
  56
  57         /* copy constructor */
  58         auto t = new Image (*s);
  59         BOOST_CHECK_EQUAL (t->planes(), 1);
  60         BOOST_CHECK_EQUAL (t->stride()[0], 192);
  61         BOOST_CHECK_EQUAL (t->line_size()[0], 150);
  62         BOOST_CHECK (t->data()[0]);
  63         BOOST_CHECK (!t->data()[1]);
  64         BOOST_CHECK (!t->data()[2]);
  65         BOOST_CHECK (!t->data()[3]);
  66         BOOST_CHECK (t->data() != s->data());
  67         BOOST_CHECK (t->data()[0] != s->data()[0]);
  68         BOOST_CHECK (t->line_size() != s->line_size());
  69         BOOST_CHECK_EQUAL (t->line_size()[0], s->line_size()[0]);
  70         BOOST_CHECK (t->stride() != s->stride());
  71         BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]);
  72
  73         /* assignment operator */
  74         auto u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), Image::Alignment::COMPACT);
  75         *u = *s;
  76         BOOST_CHECK_EQUAL (u->planes(), 1);
  77         BOOST_CHECK_EQUAL (u->stride()[0], 192);
  78         BOOST_CHECK_EQUAL (u->line_size()[0], 150);
  79         BOOST_CHECK (u->data()[0]);
  80         BOOST_CHECK (!u->data()[1]);
  81         BOOST_CHECK (!u->data()[2]);
  82         BOOST_CHECK (!u->data()[3]);
  83         BOOST_CHECK (u->data() != s->data());
  84         BOOST_CHECK (u->data()[0] != s->data()[0]);
  85         BOOST_CHECK (u->line_size() != s->line_size());
  86         BOOST_CHECK_EQUAL (u->line_size()[0], s->line_size()[0]);
  87         BOOST_CHECK (u->stride() != s->stride());
  88         BOOST_CHECK_EQUAL (u->stride()[0], s->stride()[0]);
  89
  90         delete s;
  91         delete t;
  92         delete u;
  93 }
  94
  95
  96 BOOST_AUTO_TEST_CASE (compact_image_test)
  97 {
  98         auto s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), Image::Alignment::COMPACT);
  99         BOOST_CHECK_EQUAL (s->planes(), 1);
 100         BOOST_CHECK_EQUAL (s->stride()[0], 50 * 3);
 101         BOOST_CHECK_EQUAL (s->line_size()[0], 50 * 3);
 102         BOOST_CHECK (s->data()[0]);
 103         BOOST_CHECK (!s->data()[1]);
 104         BOOST_CHECK (!s->data()[2]);
 105         BOOST_CHECK (!s->data()[3]);
 106
 107         /* copy constructor */
 108         auto t = new Image (*s);
 109         BOOST_CHECK_EQUAL (t->planes(), 1);
 110         BOOST_CHECK_EQUAL (t->stride()[0], 50 * 3);
 111         BOOST_CHECK_EQUAL (t->line_size()[0], 50 * 3);
 112         BOOST_CHECK (t->data()[0]);
 113         BOOST_CHECK (!t->data()[1]);
 114         BOOST_CHECK (!t->data()[2]);
 115         BOOST_CHECK (!t->data()[3]);
 116         BOOST_CHECK (t->data() != s->data());
 117         BOOST_CHECK (t->data()[0] != s->data()[0]);
 118         BOOST_CHECK (t->line_size() != s->line_size());
 119         BOOST_CHECK_EQUAL (t->line_size()[0], s->line_size()[0]);
 120         BOOST_CHECK (t->stride() != s->stride());
 121         BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]);
 122
 123         /* assignment operator */
 124         auto u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), Image::Alignment::PADDED);
 125         *u = *s;
 126         BOOST_CHECK_EQUAL (u->planes(), 1);
 127         BOOST_CHECK_EQUAL (u->stride()[0], 50 * 3);
 128         BOOST_CHECK_EQUAL (u->line_size()[0], 50 * 3);
 129         BOOST_CHECK (u->data()[0]);
 130         BOOST_CHECK (!u->data()[1]);
 131         BOOST_CHECK (!u->data()[2]);
 132         BOOST_CHECK (!u->data()[3]);
 133         BOOST_CHECK (u->data() != s->data());
 134         BOOST_CHECK (u->data()[0] != s->data()[0]);
 135         BOOST_CHECK (u->line_size() != s->line_size());
 136         BOOST_CHECK_EQUAL (u->line_size()[0], s->line_size()[0]);
 137         BOOST_CHECK (u->stride() != s->stride());
 138         BOOST_CHECK_EQUAL (u->stride()[0], s->stride()[0]);
 139
 140         delete s;
 141         delete t;
 142         delete u;
 143 }
 144
 145
 146 void
 147 alpha_blend_test_one (AVPixelFormat format, string suffix)
 148 {
 149         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "prophet_frame.tiff");
 150         auto raw = proxy->image(Image::Alignment::COMPACT).image;
 151         auto background = raw->convert_pixel_format (dcp::YUVToRGB::REC709, format, Image::Alignment::PADDED, false);
 152
 153         auto overlay = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size(431, 891), Image::Alignment::PADDED);
 154         overlay->make_transparent ();
 155
 156         for (int y = 0; y < 128; ++y) {
 157                 auto p = overlay->data()[0] + y * overlay->stride()[0];
 158                 for (int x = 0; x < 128; ++x) {
 159                         p[x * 4 + 2] = 255;
 160                         p[x * 4 + 3] = 255;
 161                 }
 162         }
 163
 164         for (int y = 128; y < 256; ++y) {
 165                 auto p = overlay->data()[0] + y * overlay->stride()[0];
 166                 for (int x = 0; x < 128; ++x) {
 167                         p[x * 4 + 1] = 255;
 168                         p[x * 4 + 3] = 255;
 169                 }
 170         }
 171
 172         for (int y = 256; y < 384; ++y) {
 173                 auto p = overlay->data()[0] + y * overlay->stride()[0];
 174                 for (int x = 0; x < 128; ++x) {
 175                         p[x * 4] = 255;
 176                         p[x * 4 + 3] = 255;
 177                 }
 178         }
 179
 180         background->alpha_blend (overlay, Position<int> (13, 17));
 181
 182         auto save = background->convert_pixel_format (dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::COMPACT, false);
 183
 184         write_image (save, "build/test/image_test_" + suffix + ".png");
 185         check_image ("build/test/image_test_" + suffix + ".png", TestPaths::private_data() / ("image_test_" + suffix + ".png"));
 186 }
 187
 188
 189 /** Test Image::alpha_blend */
 190 BOOST_AUTO_TEST_CASE (alpha_blend_test)
 191 {
 192         alpha_blend_test_one (AV_PIX_FMT_RGB24, "rgb24");
 193         alpha_blend_test_one (AV_PIX_FMT_BGRA, "bgra");
 194         alpha_blend_test_one (AV_PIX_FMT_RGBA, "rgba");
 195         alpha_blend_test_one (AV_PIX_FMT_RGB48LE, "rgb48le");
 196         alpha_blend_test_one (AV_PIX_FMT_YUV420P, "yuv420p");
 197         alpha_blend_test_one (AV_PIX_FMT_YUV420P10, "yuv420p10");
 198         alpha_blend_test_one (AV_PIX_FMT_YUV422P10LE, "yuv422p10le");
 199 }
 200
 201
 202 /** Test merge (list<PositionImage>) with a single image */
 203 BOOST_AUTO_TEST_CASE (merge_test1)
 204 {
 205         int const stride = 48 * 4;
 206
 207         auto A = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size (48, 48), Image::Alignment::COMPACT);
 208         A->make_transparent ();
 209         auto a = A->data()[0];
 210
 211         for (int y = 0; y < 48; ++y) {
 212                 auto p = a + y * stride;
 213                 for (int x = 0; x < 16; ++x) {
 214                         /* blue */
 215                         p[x * 4] = 255;
 216                         /* opaque */
 217                         p[x * 4 + 3] = 255;
 218                 }
 219         }
 220
 221         list<PositionImage> all;
 222         all.push_back (PositionImage (A, Position<int>(0, 0)));
 223         auto merged = merge (all, Image::Alignment::COMPACT);
 224
 225         BOOST_CHECK (merged.position == Position<int>(0, 0));
 226         BOOST_CHECK_EQUAL (memcmp (merged.image->data()[0], A->data()[0], stride * 48), 0);
 227 }
 228
 229
 230 /** Test merge (list<PositionImage>) with two images */
 231 BOOST_AUTO_TEST_CASE (merge_test2)
 232 {
 233         auto A = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size (48, 1), Image::Alignment::COMPACT);
 234         A->make_transparent ();
 235         auto a = A->data()[0];
 236         for (int x = 0; x < 16; ++x) {
 237                 /* blue */
 238                 a[x * 4] = 255;
 239                 /* opaque */
 240                 a[x * 4 + 3] = 255;
 241         }
 242
 243         auto B = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size (48, 1), Image::Alignment::COMPACT);
 244         B->make_transparent ();
 245         auto b = B->data()[0];
 246         for (int x = 0; x < 16; ++x) {
 247                 /* red */
 248                 b[(x + 32) * 4 + 2] = 255;
 249                 /* opaque */
 250                 b[(x + 32) * 4 + 3] = 255;
 251         }
 252
 253         list<PositionImage> all;
 254         all.push_back (PositionImage(A, Position<int>(0, 0)));
 255         all.push_back (PositionImage(B, Position<int>(0, 0)));
 256         auto merged = merge (all, Image::Alignment::COMPACT);
 257
 258         BOOST_CHECK (merged.position == Position<int>(0, 0));
 259
 260         auto m = merged.image->data()[0];
 261
 262         for (int x = 0; x < 16; ++x) {
 263                 BOOST_CHECK_EQUAL (m[x * 4], 255);
 264                 BOOST_CHECK_EQUAL (m[x * 4 + 3], 255);
 265                 BOOST_CHECK_EQUAL (m[(x + 16) * 4 + 3], 0);
 266                 BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 2], 255);
 267                 BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 3], 255);
 268         }
 269 }
 270
 271
 272 /** Test Image::crop_scale_window with YUV420P and some windowing */
 273 BOOST_AUTO_TEST_CASE (crop_scale_window_test)
 274 {
 275         auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
 276         auto raw = proxy->image(Image::Alignment::COMPACT).image;
 277         auto out = raw->crop_scale_window(
 278                 Crop(), dcp::Size(1998, 836), dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_YUV420P, VideoRange::FULL, Image::Alignment::PADDED, false
 279                 );
 280         auto save = out->scale(dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::COMPACT, false);
 281         write_image(save, "build/test/crop_scale_window_test.png");
 282         check_image("test/data/crop_scale_window_test.png", "build/test/crop_scale_window_test.png");
 283 }
 284
 285
 286 /** Special cases of Image::crop_scale_window which triggered some valgrind warnings */
 287 BOOST_AUTO_TEST_CASE (crop_scale_window_test2)
 288 {
 289         auto image = make_shared<Image>(AV_PIX_FMT_XYZ12LE, dcp::Size(2048, 858), Image::Alignment::PADDED);
 290         image->crop_scale_window (
 291                 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
 292                 );
 293         image->crop_scale_window (
 294                 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
 295                 );
 296 }
 297
 298
 299 BOOST_AUTO_TEST_CASE (crop_scale_window_test3)
 300 {
 301         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
 302         auto xyz = proxy->image(Image::Alignment::COMPACT).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
 303         auto cropped = xyz->crop_scale_window(
 304                 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
 305                 );
 306         write_image(cropped, "build/test/crop_scale_window_test3.png");
 307         check_image("test/data/crop_scale_window_test3.png", "build/test/crop_scale_window_test3.png");
 308 }
 309
 310
 311 BOOST_AUTO_TEST_CASE (crop_scale_window_test4)
 312 {
 313         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
 314         auto xyz = proxy->image(Image::Alignment::COMPACT).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
 315         auto cropped = xyz->crop_scale_window(
 316                 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
 317                 );
 318         write_image(cropped, "build/test/crop_scale_window_test4.png");
 319         check_image("test/data/crop_scale_window_test4.png", "build/test/crop_scale_window_test4.png", 35000);
 320 }
 321
 322
 323 BOOST_AUTO_TEST_CASE (crop_scale_window_test5)
 324 {
 325         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
 326         auto xyz = proxy->image(Image::Alignment::COMPACT).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_XYZ12LE, Image::Alignment::PADDED, false);
 327         auto cropped = xyz->crop_scale_window(
 328                 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
 329                 );
 330         write_image(cropped, "build/test/crop_scale_window_test5.png");
 331         check_image("test/data/crop_scale_window_test5.png", "build/test/crop_scale_window_test5.png");
 332 }
 333
 334
 335 BOOST_AUTO_TEST_CASE (crop_scale_window_test6)
 336 {
 337         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
 338         auto xyz = proxy->image(Image::Alignment::COMPACT).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_XYZ12LE, Image::Alignment::PADDED, false);
 339         auto cropped = xyz->crop_scale_window(
 340                 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
 341                 );
 342         write_image(cropped, "build/test/crop_scale_window_test6.png");
 343         check_image("test/data/crop_scale_window_test6.png", "build/test/crop_scale_window_test6.png", 35000);
 344 }
 345
 346
 347 /** Test some small crops with an image that shows up errors in registration of the YUV planes (#1872) */
 348 BOOST_AUTO_TEST_CASE (crop_scale_window_test7)
 349 {
 350         using namespace boost::filesystem;
 351         for (int left_crop = 0; left_crop < 8; ++left_crop) {
 352                 auto proxy = make_shared<FFmpegImageProxy>("test/data/rgb_grey_testcard.png");
 353                 auto yuv = proxy->image(Image::Alignment::COMPACT).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_YUV420P, Image::Alignment::PADDED, false);
 354                 int rounded = left_crop - (left_crop % 2);
 355                 auto cropped = yuv->crop_scale_window(
 356                         Crop(left_crop, 0, 0, 0),
 357                         dcp::Size(1998 - rounded, 1080),
 358                         dcp::Size(1998 - rounded, 1080),
 359                         dcp::YUVToRGB::REC709,
 360                         VideoRange::VIDEO,
 361                         AV_PIX_FMT_RGB24,
 362                         VideoRange::VIDEO,
 363                         Image::Alignment::PADDED,
 364                         false
 365                         );
 366                 path file = String::compose("crop_scale_window_test7-%1.png", left_crop);
 367                 write_image(cropped, path("build") / "test" / file);
 368                 check_image(path("test") / "data" / file, path("build") / "test" / file, 10);
 369         }
 370 }
 371
 372
 373 BOOST_AUTO_TEST_CASE (as_png_test)
 374 {
 375         auto proxy = make_shared<FFmpegImageProxy>("test/data/3d_test/000001.png");
 376         auto image_rgb = proxy->image(Image::Alignment::COMPACT).image;
 377         auto image_bgr = image_rgb->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_BGRA, Image::Alignment::PADDED, false);
 378         image_rgb->as_png().write ("build/test/as_png_rgb.png");
 379         image_bgr->as_png().write ("build/test/as_png_bgr.png");
 380
 381         check_image ("test/data/3d_test/000001.png", "build/test/as_png_rgb.png");
 382         check_image ("test/data/3d_test/000001.png", "build/test/as_png_bgr.png");
 383 }
 384
 385
 386 /* Very dumb test to fade black to make sure it stays black */
 387 static void
 388 fade_test_format_black (AVPixelFormat f, string name)
 389 {
 390         Image yuv (f, dcp::Size(640, 480), Image::Alignment::PADDED);
 391         yuv.make_black ();
 392         yuv.fade (0);
 393         string const filename = "fade_test_black_" + name + ".png";
 394         yuv.convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGBA, Image::Alignment::PADDED, false)->as_png().write("build/test/" + filename);
 395         check_image ("test/data/" + filename, "build/test/" + filename);
 396 }
 397
 398
 399 /* Fade red to make sure it stays red */
 400 static void
 401 fade_test_format_red (AVPixelFormat f, float amount, string name)
 402 {
 403         auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
 404         auto red = proxy->image(Image::Alignment::COMPACT).image->convert_pixel_format(dcp::YUVToRGB::REC709, f, Image::Alignment::PADDED, false);
 405         red->fade (amount);
 406         string const filename = "fade_test_red_" + name + ".png";
 407         red->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGBA, Image::Alignment::PADDED, false)->as_png().write("build/test/" + filename);
 408         check_image ("test/data/" + filename, "build/test/" + filename);
 409 }
 410
 411
 412 BOOST_AUTO_TEST_CASE (fade_test)
 413 {
 414         fade_test_format_black (AV_PIX_FMT_YUV420P,   "yuv420p");
 415         fade_test_format_black (AV_PIX_FMT_YUV422P10, "yuv422p10");
 416         fade_test_format_black (AV_PIX_FMT_RGB24,     "rgb24");
 417         fade_test_format_black (AV_PIX_FMT_XYZ12LE,   "xyz12le");
 418         fade_test_format_black (AV_PIX_FMT_RGB48LE,   "rgb48le");
 419
 420         fade_test_format_red   (AV_PIX_FMT_YUV420P,   0,   "yuv420p_0");
 421         fade_test_format_red   (AV_PIX_FMT_YUV420P,   0.5, "yuv420p_50");
 422         fade_test_format_red   (AV_PIX_FMT_YUV420P,   1,   "yuv420p_100");
 423         fade_test_format_red   (AV_PIX_FMT_YUV422P10, 0,   "yuv422p10_0");
 424         fade_test_format_red   (AV_PIX_FMT_YUV422P10, 0.5, "yuv422p10_50");
 425         fade_test_format_red   (AV_PIX_FMT_YUV422P10, 1,   "yuv422p10_100");
 426         fade_test_format_red   (AV_PIX_FMT_RGB24,     0,   "rgb24_0");
 427         fade_test_format_red   (AV_PIX_FMT_RGB24,     0.5, "rgb24_50");
 428         fade_test_format_red   (AV_PIX_FMT_RGB24,     1,   "rgb24_100");
 429         fade_test_format_red   (AV_PIX_FMT_XYZ12LE,   0,   "xyz12le_0");
 430         fade_test_format_red   (AV_PIX_FMT_XYZ12LE,   0.5, "xyz12le_50");
 431         fade_test_format_red   (AV_PIX_FMT_XYZ12LE,   1,   "xyz12le_100");
 432         fade_test_format_red   (AV_PIX_FMT_RGB48LE,   0,   "rgb48le_0");
 433         fade_test_format_red   (AV_PIX_FMT_RGB48LE,   0.5, "rgb48le_50");
 434         fade_test_format_red   (AV_PIX_FMT_RGB48LE,   1,   "rgb48le_100");
 435 }
 436
 437
 438 BOOST_AUTO_TEST_CASE (make_black_test)
 439 {
 440         dcp::Size in_size (512, 512);
 441         dcp::Size out_size (1024, 1024);
 442
 443         list<AVPixelFormat> pix_fmts = {
 444                 AV_PIX_FMT_RGB24, // 2
 445                 AV_PIX_FMT_ARGB,
 446                 AV_PIX_FMT_RGBA,
 447                 AV_PIX_FMT_ABGR,
 448                 AV_PIX_FMT_BGRA,
 449                 AV_PIX_FMT_YUV420P, // 0
 450                 AV_PIX_FMT_YUV411P,
 451                 AV_PIX_FMT_YUV422P10LE,
 452                 AV_PIX_FMT_YUV422P16LE,
 453                 AV_PIX_FMT_YUV444P9LE,
 454                 AV_PIX_FMT_YUV444P9BE,
 455                 AV_PIX_FMT_YUV444P10LE,
 456                 AV_PIX_FMT_YUV444P10BE,
 457                 AV_PIX_FMT_UYVY422,
 458                 AV_PIX_FMT_YUVJ420P,
 459                 AV_PIX_FMT_YUVJ422P,
 460                 AV_PIX_FMT_YUVJ444P,
 461                 AV_PIX_FMT_YUVA420P9BE,
 462                 AV_PIX_FMT_YUVA422P9BE,
 463                 AV_PIX_FMT_YUVA444P9BE,
 464                 AV_PIX_FMT_YUVA420P9LE,
 465                 AV_PIX_FMT_YUVA422P9LE,
 466                 AV_PIX_FMT_YUVA444P9LE,
 467                 AV_PIX_FMT_YUVA420P10BE,
 468                 AV_PIX_FMT_YUVA422P10BE,
 469                 AV_PIX_FMT_YUVA444P10BE,
 470                 AV_PIX_FMT_YUVA420P10LE,
 471                 AV_PIX_FMT_YUVA422P10LE,
 472                 AV_PIX_FMT_YUVA444P10LE,
 473                 AV_PIX_FMT_YUVA420P16BE,
 474                 AV_PIX_FMT_YUVA422P16BE,
 475                 AV_PIX_FMT_YUVA444P16BE,
 476                 AV_PIX_FMT_YUVA420P16LE,
 477                 AV_PIX_FMT_YUVA422P16LE,
 478                 AV_PIX_FMT_YUVA444P16LE,
 479                 AV_PIX_FMT_RGB555LE, // 46
 480         };
 481
 482         int N = 0;
 483         for (auto i: pix_fmts) {
 484                 auto foo = make_shared<Image>(i, in_size, Image::Alignment::PADDED);
 485                 foo->make_black ();
 486                 auto bar = foo->scale (out_size, dcp::YUVToRGB::REC601, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
 487
 488                 uint8_t* p = bar->data()[0];
 489                 for (int y = 0; y < bar->size().height; ++y) {
 490                         uint8_t* q = p;
 491                         for (int x = 0; x < bar->line_size()[0]; ++x) {
 492                                 if (*q != 0) {
 493                                         std::cerr << "x=" << x << ", (x%3)=" << (x%3) << "\n";
 494                                 }
 495                                 BOOST_CHECK_EQUAL (*q++, 0);
 496                         }
 497                         p += bar->stride()[0];
 498                 }
 499
 500                 ++N;
 501         }
 502 }
 503
 504
 505 BOOST_AUTO_TEST_CASE (make_part_black_test)
 506 {
 507         auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
 508         auto original = proxy->image(Image::Alignment::COMPACT).image;
 509
 510         list<AVPixelFormat> pix_fmts = {
 511                 AV_PIX_FMT_RGB24,
 512                 AV_PIX_FMT_ARGB,
 513                 AV_PIX_FMT_RGBA,
 514                 AV_PIX_FMT_ABGR,
 515                 AV_PIX_FMT_BGRA,
 516                 AV_PIX_FMT_YUV420P,
 517                 AV_PIX_FMT_YUV422P10LE,
 518         };
 519
 520         list<std::pair<int, int>> positions = {
 521                 { 0, 256 },
 522                 { 128, 64 },
 523         };
 524
 525         int N = 0;
 526         for (auto i: pix_fmts) {
 527                 for (auto j: positions) {
 528                         auto foo = original->convert_pixel_format(dcp::YUVToRGB::REC601, i, Image::Alignment::PADDED, false);
 529                         foo->make_part_black (j.first, j.second);
 530                         auto bar = foo->convert_pixel_format (dcp::YUVToRGB::REC601, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
 531
 532                         auto p = bar->data()[0];
 533                         for (int y = 0; y < bar->size().height; ++y) {
 534                                 auto q = p;
 535                                 for (int x = 0; x < bar->size().width; ++x) {
 536                                         int r = *q++;
 537                                         int g = *q++;
 538                                         int b = *q++;
 539                                         if (x >= j.first && x < (j.first + j.second)) {
 540                                                 BOOST_CHECK_MESSAGE (
 541                                                         r < 3, "red=" << static_cast<int>(r) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 542                                                         );
 543                                         } else {
 544                                                 BOOST_CHECK_MESSAGE (
 545                                                         r >= 252, "red=" << static_cast<int>(r) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 546                                                         );
 547
 548                                         }
 549                                         BOOST_CHECK_MESSAGE (
 550                                                 g == 0, "green=" << static_cast<int>(g) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 551                                                 );
 552                                         BOOST_CHECK_MESSAGE (
 553                                                 b == 0, "blue=" << static_cast<int>(b) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 554                                                 );
 555                                 }
 556                                 p += bar->stride()[0];
 557                         }
 558
 559                         ++N;
 560                 }
 561         }
 562 }
 563
 564
 565 /** Make sure the image isn't corrupted if it is cropped too much.  This can happen when a
 566  *  filler 128x128 black frame is emitted from the FFmpegDecoder and the overall crop in either direction
 567  *  is greater than 128 pixels.
 568  */
 569 BOOST_AUTO_TEST_CASE (over_crop_test)
 570 {
 571         auto image = make_shared<Image>(AV_PIX_FMT_RGB24, dcp::Size(128, 128), Image::Alignment::PADDED);
 572         image->make_black ();
 573         auto scaled = image->crop_scale_window (
 574                 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
 575                 );
 576         string const filename = "over_crop_test.png";
 577         write_image (scaled, "build/test/" + filename);
 578         check_image ("test/data/" + filename, "build/test/" + filename);
 579 }