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/image_jpeg.h"
  34 #include "lib/image_png.h"
  35 #include "lib/ffmpeg_image_proxy.h"
  36 #include "test.h"
  37 #include <boost/test/unit_test.hpp>
  38 #include <iostream>
  39
  40
  41 using std::cout;
  42 using std::list;
  43 using std::make_shared;
  44 using std::string;
  45
  46
  47 BOOST_AUTO_TEST_CASE (aligned_image_test)
  48 {
  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]);
  58
  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]);
  74
  75         /* assignment operator */
  76         auto u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), Image::Alignment::COMPACT);
  77         *u = *s;
  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]);
  91
  92         delete s;
  93         delete t;
  94         delete u;
  95 }
  96
  97
  98 BOOST_AUTO_TEST_CASE (compact_image_test)
  99 {
 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]);
 108
 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]);
 124
 125         /* assignment operator */
 126         auto u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), Image::Alignment::PADDED);
 127         *u = *s;
 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]);
 141
 142         delete s;
 143         delete t;
 144         delete u;
 145 }
 146
 147
 148 static
 149 void
 150 alpha_blend_test_bgra_onto(AVPixelFormat format, string suffix)
 151 {
 152         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "prophet_frame.tiff");
 153         auto raw = proxy->image(Image::Alignment::PADDED).image;
 154         auto background = raw->convert_pixel_format (dcp::YUVToRGB::REC709, format, Image::Alignment::PADDED, false);
 155
 156         auto overlay = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size(431, 891), Image::Alignment::PADDED);
 157         overlay->make_transparent ();
 158
 159         for (int y = 0; y < 128; ++y) {
 160                 auto p = overlay->data()[0] + y * overlay->stride()[0];
 161                 for (int x = 0; x < 128; ++x) {
 162                         p[x * 4 + 2] = 255;
 163                         p[x * 4 + 3] = 255;
 164                 }
 165         }
 166
 167         for (int y = 128; y < 256; ++y) {
 168                 auto p = overlay->data()[0] + y * overlay->stride()[0];
 169                 for (int x = 0; x < 128; ++x) {
 170                         p[x * 4 + 1] = 255;
 171                         p[x * 4 + 3] = 255;
 172                 }
 173         }
 174
 175         for (int y = 256; y < 384; ++y) {
 176                 auto p = overlay->data()[0] + y * overlay->stride()[0];
 177                 for (int x = 0; x < 128; ++x) {
 178                         p[x * 4] = 255;
 179                         p[x * 4 + 3] = 255;
 180                 }
 181         }
 182
 183         background->alpha_blend (overlay, Position<int> (13, 17));
 184
 185         auto save = background->convert_pixel_format (dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::COMPACT, false);
 186
 187         write_image(save, "build/test/image_test_bgra_" + suffix + ".png");
 188         check_image("build/test/image_test_bgra_" + suffix + ".png", TestPaths::private_data() / ("image_test_bgra_" + suffix + ".png"));
 189 }
 190
 191
 192 static
 193 void
 194 alpha_blend_test_rgba64be_onto(AVPixelFormat format, string suffix)
 195 {
 196         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "prophet_frame.tiff");
 197         auto raw = proxy->image(Image::Alignment::PADDED).image;
 198         auto background = raw->convert_pixel_format (dcp::YUVToRGB::REC709, format, Image::Alignment::PADDED, false);
 199
 200         auto overlay = make_shared<Image>(AV_PIX_FMT_RGBA64BE, dcp::Size(431, 891), Image::Alignment::PADDED);
 201         overlay->make_transparent();
 202
 203         for (int y = 0; y < 128; ++y) {
 204                 auto p = reinterpret_cast<uint16_t*>(overlay->data()[0] + y * overlay->stride()[0]);
 205                 for (int x = 0; x < 128; ++x) {
 206                         p[x * 4 + 0] = 65535;
 207                         p[x * 4 + 3] = 65535;
 208                 }
 209         }
 210
 211         for (int y = 128; y < 256; ++y) {
 212                 auto p = reinterpret_cast<uint16_t*>(overlay->data()[0] + y * overlay->stride()[0]);
 213                 for (int x = 0; x < 128; ++x) {
 214                         p[x * 4 + 1] = 65535;
 215                         p[x * 4 + 3] = 65535;
 216                 }
 217         }
 218
 219         for (int y = 256; y < 384; ++y) {
 220                 auto p = reinterpret_cast<uint16_t*>(overlay->data()[0] + y * overlay->stride()[0]);
 221                 for (int x = 0; x < 128; ++x) {
 222                         p[x * 4 + 2] = 65535;
 223                         p[x * 4 + 3] = 65535;
 224                 }
 225         }
 226
 227         background->alpha_blend(overlay, Position<int>(13, 17));
 228
 229         auto save = background->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::COMPACT, false);
 230
 231         write_image(save, "build/test/image_test_rgba64_" + suffix + ".png");
 232         check_image("build/test/image_test_rgba64_" + suffix + ".png", TestPaths::private_data() / ("image_test_rgba64_" + suffix + ".png"));
 233 }
 234
 235
 236 /** Test Image::alpha_blend */
 237 BOOST_AUTO_TEST_CASE (alpha_blend_test)
 238 {
 239         alpha_blend_test_bgra_onto(AV_PIX_FMT_RGB24, "rgb24");
 240         alpha_blend_test_bgra_onto(AV_PIX_FMT_BGRA, "bgra");
 241         alpha_blend_test_bgra_onto(AV_PIX_FMT_RGBA, "rgba");
 242         alpha_blend_test_bgra_onto(AV_PIX_FMT_RGB48LE, "rgb48le");
 243         alpha_blend_test_bgra_onto(AV_PIX_FMT_YUV420P, "yuv420p");
 244         alpha_blend_test_bgra_onto(AV_PIX_FMT_YUV420P10, "yuv420p10");
 245         alpha_blend_test_bgra_onto(AV_PIX_FMT_YUV422P10LE, "yuv422p9le");
 246         alpha_blend_test_bgra_onto(AV_PIX_FMT_YUV422P10LE, "yuv422p10le");
 247
 248         alpha_blend_test_rgba64be_onto(AV_PIX_FMT_RGB24, "rgb24");
 249         alpha_blend_test_rgba64be_onto(AV_PIX_FMT_BGRA, "bgra");
 250         alpha_blend_test_rgba64be_onto(AV_PIX_FMT_RGBA, "rgba");
 251         alpha_blend_test_rgba64be_onto(AV_PIX_FMT_RGB48LE, "rgb48le");
 252         alpha_blend_test_rgba64be_onto(AV_PIX_FMT_YUV420P, "yuv420p");
 253         alpha_blend_test_rgba64be_onto(AV_PIX_FMT_YUV420P10, "yuv420p10");
 254         alpha_blend_test_rgba64be_onto(AV_PIX_FMT_YUV422P10LE, "yuv422p9le");
 255         alpha_blend_test_rgba64be_onto(AV_PIX_FMT_YUV422P10LE, "yuv422p10le");
 256 }
 257
 258
 259 /** Test Image::alpha_blend when blending RGBA onto XYZ12LE */
 260 BOOST_AUTO_TEST_CASE(alpha_blend_test_rgba_onto_xyz)
 261 {
 262         Image xyz(AV_PIX_FMT_XYZ12LE, dcp::Size(50, 50), Image::Alignment::PADDED);
 263         xyz.make_black();
 264
 265         auto overlay = make_shared<Image>(AV_PIX_FMT_RGBA, dcp::Size(8, 8), Image::Alignment::PADDED);
 266         for (int y = 0; y < 8; ++y) {
 267                 uint8_t* p = overlay->data()[0] + (y * overlay->stride()[0]);
 268                 for (int x = 0; x < 8; ++x) {
 269                         *p++ = 255;
 270                         *p++ = 0;
 271                         *p++ = 0;
 272                         *p++ = 255;
 273                 }
 274         }
 275
 276         xyz.alpha_blend(overlay, Position<int>(4, 4));
 277
 278         for (int y = 0; y < 50; ++y) {
 279                 uint16_t* p = reinterpret_cast<uint16_t*>(xyz.data()[0]) + (y * xyz.stride()[0] / 2);
 280                 for (int x = 0; x < 50; ++x) {
 281                         if (4 <= x && x < 12 && 4 <= y && y < 12) {
 282                                 BOOST_REQUIRE_EQUAL(p[0], 45078U);
 283                                 BOOST_REQUIRE_EQUAL(p[1], 34939U);
 284                                 BOOST_REQUIRE_EQUAL(p[2], 13892U);
 285                         } else {
 286                                 BOOST_REQUIRE_EQUAL(p[0], 0U);
 287                                 BOOST_REQUIRE_EQUAL(p[1], 0U);
 288                                 BOOST_REQUIRE_EQUAL(p[2], 0U);
 289                         }
 290                         p += 3;
 291                 }
 292         }
 293 }
 294
 295
 296 /** Test Image::alpha_blend when blending RGBA64BE onto XYZ12LE */
 297 BOOST_AUTO_TEST_CASE(alpha_blend_test_rgba64be_onto_xyz)
 298 {
 299         Image xyz(AV_PIX_FMT_XYZ12LE, dcp::Size(50, 50), Image::Alignment::PADDED);
 300         xyz.make_black();
 301
 302         auto overlay = make_shared<Image>(AV_PIX_FMT_RGBA64BE, dcp::Size(8, 8), Image::Alignment::PADDED);
 303         for (int y = 0; y < 8; ++y) {
 304                 auto p = reinterpret_cast<uint16_t*>(overlay->data()[0] + (y * overlay->stride()[0]));
 305                 for (int x = 0; x < 8; ++x) {
 306                         *p++ = 65535;
 307                         *p++ = 0;
 308                         *p++ = 0;
 309                         *p++ = 65535;
 310                 }
 311         }
 312
 313         xyz.alpha_blend(overlay, Position<int>(4, 4));
 314
 315         for (int y = 0; y < 50; ++y) {
 316                 auto p = reinterpret_cast<uint16_t*>(xyz.data()[0]) + (y * xyz.stride()[0] / 2);
 317                 for (int x = 0; x < 50; ++x) {
 318                         if (4 <= x && x < 12 && 4 <= y && y < 12) {
 319                                 BOOST_REQUIRE_EQUAL(p[0], 45078U);
 320                                 BOOST_REQUIRE_EQUAL(p[1], 34939U);
 321                                 BOOST_REQUIRE_EQUAL(p[2], 13892U);
 322                         } else {
 323                                 BOOST_REQUIRE_EQUAL(p[0], 0U);
 324                                 BOOST_REQUIRE_EQUAL(p[1], 0U);
 325                                 BOOST_REQUIRE_EQUAL(p[2], 0U);
 326                         }
 327                         p += 3;
 328                 }
 329         }
 330 }
 331
 332
 333 BOOST_AUTO_TEST_CASE(alpha_blend_text)
 334 {
 335         Image target(AV_PIX_FMT_RGB24, dcp::Size(1998, 1080), Image::Alignment::PADDED);
 336         target.make_black();
 337
 338         FFmpegImageProxy subtitle_proxy(TestPaths::private_data() / "16-bit-sub.png");
 339         auto subtitle = subtitle_proxy.image(Image::Alignment::COMPACT);
 340
 341         target.alpha_blend(subtitle.image, Position<int>(0, 0));
 342         write_image(make_shared<Image>(target), "build/test/alpha_blend_text.png");
 343         check_image("build/test/alpha_blend_text.png", TestPaths::private_data() / "16-bit-sub-blended.png");
 344 }
 345
 346
 347 /** Test merge (list<PositionImage>) with a single image */
 348 BOOST_AUTO_TEST_CASE (merge_test1)
 349 {
 350         int const stride = 48 * 4;
 351
 352         auto A = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size (48, 48), Image::Alignment::COMPACT);
 353         A->make_transparent ();
 354         auto a = A->data()[0];
 355
 356         for (int y = 0; y < 48; ++y) {
 357                 auto p = a + y * stride;
 358                 for (int x = 0; x < 16; ++x) {
 359                         /* blue */
 360                         p[x * 4] = 255;
 361                         /* opaque */
 362                         p[x * 4 + 3] = 255;
 363                 }
 364         }
 365
 366         list<PositionImage> all;
 367         all.push_back (PositionImage (A, Position<int>(0, 0)));
 368         auto merged = merge (all, Image::Alignment::COMPACT);
 369
 370         BOOST_CHECK (merged.position == Position<int>(0, 0));
 371         BOOST_CHECK_EQUAL (memcmp (merged.image->data()[0], A->data()[0], stride * 48), 0);
 372 }
 373
 374
 375 /** Test merge (list<PositionImage>) with two images */
 376 BOOST_AUTO_TEST_CASE (merge_test2)
 377 {
 378         auto A = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size (48, 1), Image::Alignment::COMPACT);
 379         A->make_transparent ();
 380         auto a = A->data()[0];
 381         for (int x = 0; x < 16; ++x) {
 382                 /* blue */
 383                 a[x * 4] = 255;
 384                 /* opaque */
 385                 a[x * 4 + 3] = 255;
 386         }
 387
 388         auto B = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size (48, 1), Image::Alignment::COMPACT);
 389         B->make_transparent ();
 390         auto b = B->data()[0];
 391         for (int x = 0; x < 16; ++x) {
 392                 /* red */
 393                 b[(x + 32) * 4 + 2] = 255;
 394                 /* opaque */
 395                 b[(x + 32) * 4 + 3] = 255;
 396         }
 397
 398         list<PositionImage> all;
 399         all.push_back (PositionImage(A, Position<int>(0, 0)));
 400         all.push_back (PositionImage(B, Position<int>(0, 0)));
 401         auto merged = merge (all, Image::Alignment::COMPACT);
 402
 403         BOOST_CHECK (merged.position == Position<int>(0, 0));
 404
 405         auto m = merged.image->data()[0];
 406
 407         for (int x = 0; x < 16; ++x) {
 408                 BOOST_CHECK_EQUAL (m[x * 4], 255);
 409                 BOOST_CHECK_EQUAL (m[x * 4 + 3], 255);
 410                 BOOST_CHECK_EQUAL (m[(x + 16) * 4 + 3], 0);
 411                 BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 2], 255);
 412                 BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 3], 255);
 413         }
 414 }
 415
 416
 417 /** Test Image::crop_scale_window with YUV420P and some windowing */
 418 BOOST_AUTO_TEST_CASE (crop_scale_window_test)
 419 {
 420         auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
 421         auto raw = proxy->image(Image::Alignment::PADDED).image;
 422         auto out = raw->crop_scale_window(
 423                 Crop(), dcp::Size(1998, 836), dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_YUV420P, VideoRange::FULL, Image::Alignment::PADDED, false
 424                 );
 425         auto save = out->scale(dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::COMPACT, false);
 426         write_image(save, "build/test/crop_scale_window_test.png");
 427         check_image("test/data/crop_scale_window_test.png", "build/test/crop_scale_window_test.png");
 428 }
 429
 430
 431 /** Special cases of Image::crop_scale_window which triggered some valgrind warnings */
 432 BOOST_AUTO_TEST_CASE (crop_scale_window_test2)
 433 {
 434         auto image = make_shared<Image>(AV_PIX_FMT_XYZ12LE, dcp::Size(2048, 858), Image::Alignment::PADDED);
 435         image->crop_scale_window (
 436                 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
 437                 );
 438         image->crop_scale_window (
 439                 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
 440                 );
 441 }
 442
 443
 444 BOOST_AUTO_TEST_CASE (crop_scale_window_test3)
 445 {
 446         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
 447         auto xyz = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
 448         auto cropped = xyz->crop_scale_window(
 449                 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
 450                 );
 451         write_image(cropped, "build/test/crop_scale_window_test3.png");
 452         check_image("test/data/crop_scale_window_test3.png", "build/test/crop_scale_window_test3.png");
 453 }
 454
 455
 456 BOOST_AUTO_TEST_CASE (crop_scale_window_test4)
 457 {
 458         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
 459         auto xyz = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
 460         auto cropped = xyz->crop_scale_window(
 461                 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
 462                 );
 463         write_image(cropped, "build/test/crop_scale_window_test4.png");
 464         check_image("test/data/crop_scale_window_test4.png", "build/test/crop_scale_window_test4.png");
 465 }
 466
 467
 468 BOOST_AUTO_TEST_CASE (crop_scale_window_test5)
 469 {
 470         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
 471         auto xyz = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_XYZ12LE, Image::Alignment::PADDED, false);
 472         auto cropped = xyz->crop_scale_window(
 473                 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
 474                 );
 475         write_image(cropped, "build/test/crop_scale_window_test5.png");
 476         check_image("test/data/crop_scale_window_test5.png", "build/test/crop_scale_window_test5.png");
 477 }
 478
 479
 480 BOOST_AUTO_TEST_CASE (crop_scale_window_test6)
 481 {
 482         auto proxy = make_shared<FFmpegImageProxy>(TestPaths::private_data() / "player_seek_test_0.png");
 483         auto xyz = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_XYZ12LE, Image::Alignment::PADDED, false);
 484         auto cropped = xyz->crop_scale_window(
 485                 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
 486                 );
 487         write_image(cropped, "build/test/crop_scale_window_test6.png");
 488         check_image("test/data/crop_scale_window_test6.png", "build/test/crop_scale_window_test6.png");
 489 }
 490
 491
 492 /** Test some small crops with an image that shows up errors in registration of the YUV planes (#1872) */
 493 BOOST_AUTO_TEST_CASE (crop_scale_window_test7)
 494 {
 495         using namespace boost::filesystem;
 496         for (int left_crop = 0; left_crop < 8; ++left_crop) {
 497                 auto proxy = make_shared<FFmpegImageProxy>("test/data/rgb_grey_testcard.png");
 498                 auto yuv = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_YUV420P, Image::Alignment::PADDED, false);
 499                 int rounded = left_crop - (left_crop % 2);
 500                 auto cropped = yuv->crop_scale_window(
 501                         Crop(left_crop, 0, 0, 0),
 502                         dcp::Size(1998 - rounded, 1080),
 503                         dcp::Size(1998 - rounded, 1080),
 504                         dcp::YUVToRGB::REC709,
 505                         VideoRange::VIDEO,
 506                         AV_PIX_FMT_RGB24,
 507                         VideoRange::VIDEO,
 508                         Image::Alignment::PADDED,
 509                         false
 510                         );
 511                 path file = String::compose("crop_scale_window_test7-%1.png", left_crop);
 512                 write_image(cropped, path("build") / "test" / file);
 513                 check_image(path("test") / "data" / file, path("build") / "test" / file, 10);
 514         }
 515 }
 516
 517
 518 BOOST_AUTO_TEST_CASE (crop_scale_window_test8)
 519 {
 520         using namespace boost::filesystem;
 521
 522         auto image = make_shared<Image>(AV_PIX_FMT_YUV420P, dcp::Size(800, 600), Image::Alignment::PADDED);
 523         memset(image->data()[0], 41, image->stride()[0] * 600);
 524         memset(image->data()[1], 240, image->stride()[1] * 300);
 525         memset(image->data()[2], 41, image->stride()[2] * 300);
 526         auto scaled = image->crop_scale_window(
 527                 Crop(), dcp::Size(1435, 1080), dcp::Size(1998, 1080), dcp::YUVToRGB::REC709, VideoRange::FULL, AV_PIX_FMT_YUV420P, VideoRange::FULL, Image::Alignment::PADDED, false
 528                 );
 529         auto file = "crop_scale_window_test8.png";
 530         write_image(scaled->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::COMPACT, false), path("build") / "test" / file);
 531         check_image(path("test") / "data" / file, path("build") / "test" / file, 10);
 532 }
 533
 534
 535 BOOST_AUTO_TEST_CASE (as_png_test)
 536 {
 537         auto proxy = make_shared<FFmpegImageProxy>("test/data/3d_test/000001.png");
 538         auto image_rgb = proxy->image(Image::Alignment::PADDED).image;
 539         auto image_bgr = image_rgb->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_BGRA, Image::Alignment::PADDED, false);
 540         image_as_png(image_rgb).write ("build/test/as_png_rgb.png");
 541         image_as_png(image_bgr).write ("build/test/as_png_bgr.png");
 542
 543         check_image ("test/data/3d_test/000001.png", "build/test/as_png_rgb.png");
 544         check_image ("test/data/3d_test/000001.png", "build/test/as_png_bgr.png");
 545 }
 546
 547
 548 BOOST_AUTO_TEST_CASE (as_jpeg_test)
 549 {
 550         auto proxy = make_shared<FFmpegImageProxy>("test/data/3d_test/000001.png");
 551         auto image_rgb = proxy->image(Image::Alignment::PADDED).image;
 552         auto image_bgr = image_rgb->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_BGRA, Image::Alignment::PADDED, false);
 553         image_as_jpeg(image_rgb, 60).write("build/test/as_jpeg_rgb.jpeg");
 554         image_as_jpeg(image_bgr, 60).write("build/test/as_jpeg_bgr.jpeg");
 555
 556         check_image ("test/data/as_jpeg_rgb.jpeg", "build/test/as_jpeg_rgb.jpeg");
 557         check_image ("test/data/as_jpeg_bgr.jpeg", "build/test/as_jpeg_bgr.jpeg");
 558 }
 559
 560
 561 /* Very dumb test to fade black to make sure it stays black */
 562 static void
 563 fade_test_format_black (AVPixelFormat f, string name)
 564 {
 565         Image yuv (f, dcp::Size(640, 480), Image::Alignment::PADDED);
 566         yuv.make_black ();
 567         yuv.fade (0);
 568         string const filename = "fade_test_black_" + name + ".png";
 569         image_as_png(yuv.convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGBA, Image::Alignment::PADDED, false)).write("build/test/" + filename);
 570         check_image ("test/data/" + filename, "build/test/" + filename);
 571 }
 572
 573
 574 /* Fade red to make sure it stays red */
 575 static void
 576 fade_test_format_red (AVPixelFormat f, float amount, string name)
 577 {
 578         auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
 579         auto red = proxy->image(Image::Alignment::PADDED).image->convert_pixel_format(dcp::YUVToRGB::REC709, f, Image::Alignment::PADDED, false);
 580         red->fade (amount);
 581         string const filename = "fade_test_red_" + name + ".png";
 582         image_as_png(red->convert_pixel_format(dcp::YUVToRGB::REC709, AV_PIX_FMT_RGBA, Image::Alignment::PADDED, false)).write("build/test/" + filename);
 583         check_image ("test/data/" + filename, "build/test/" + filename);
 584 }
 585
 586
 587 BOOST_AUTO_TEST_CASE (fade_test)
 588 {
 589         fade_test_format_black (AV_PIX_FMT_YUV420P,   "yuv420p");
 590         fade_test_format_black (AV_PIX_FMT_YUV422P10, "yuv422p10");
 591         fade_test_format_black (AV_PIX_FMT_RGB24,     "rgb24");
 592         fade_test_format_black (AV_PIX_FMT_XYZ12LE,   "xyz12le");
 593         fade_test_format_black (AV_PIX_FMT_RGB48LE,   "rgb48le");
 594
 595         fade_test_format_red   (AV_PIX_FMT_YUV420P,   0,   "yuv420p_0");
 596         fade_test_format_red   (AV_PIX_FMT_YUV420P,   0.5, "yuv420p_50");
 597         fade_test_format_red   (AV_PIX_FMT_YUV420P,   1,   "yuv420p_100");
 598         fade_test_format_red   (AV_PIX_FMT_YUV422P10, 0,   "yuv422p10_0");
 599         fade_test_format_red   (AV_PIX_FMT_YUV422P10, 0.5, "yuv422p10_50");
 600         fade_test_format_red   (AV_PIX_FMT_YUV422P10, 1,   "yuv422p10_100");
 601         fade_test_format_red   (AV_PIX_FMT_RGB24,     0,   "rgb24_0");
 602         fade_test_format_red   (AV_PIX_FMT_RGB24,     0.5, "rgb24_50");
 603         fade_test_format_red   (AV_PIX_FMT_RGB24,     1,   "rgb24_100");
 604         fade_test_format_red   (AV_PIX_FMT_XYZ12LE,   0,   "xyz12le_0");
 605         fade_test_format_red   (AV_PIX_FMT_XYZ12LE,   0.5, "xyz12le_50");
 606         fade_test_format_red   (AV_PIX_FMT_XYZ12LE,   1,   "xyz12le_100");
 607         fade_test_format_red   (AV_PIX_FMT_RGB48LE,   0,   "rgb48le_0");
 608         fade_test_format_red   (AV_PIX_FMT_RGB48LE,   0.5, "rgb48le_50");
 609         fade_test_format_red   (AV_PIX_FMT_RGB48LE,   1,   "rgb48le_100");
 610 }
 611
 612
 613 BOOST_AUTO_TEST_CASE (make_black_test)
 614 {
 615         dcp::Size in_size (512, 512);
 616         dcp::Size out_size (1024, 1024);
 617
 618         list<AVPixelFormat> pix_fmts = {
 619                 AV_PIX_FMT_RGB24, // 2
 620                 AV_PIX_FMT_ARGB,
 621                 AV_PIX_FMT_RGBA,
 622                 AV_PIX_FMT_ABGR,
 623                 AV_PIX_FMT_BGRA,
 624                 AV_PIX_FMT_YUV420P, // 0
 625                 AV_PIX_FMT_YUV411P,
 626                 AV_PIX_FMT_YUV422P10LE,
 627                 AV_PIX_FMT_YUV422P16LE,
 628                 AV_PIX_FMT_YUV444P9LE,
 629                 AV_PIX_FMT_YUV444P9BE,
 630                 AV_PIX_FMT_YUV444P10LE,
 631                 AV_PIX_FMT_YUV444P10BE,
 632                 AV_PIX_FMT_UYVY422,
 633                 AV_PIX_FMT_YUVJ420P,
 634                 AV_PIX_FMT_YUVJ422P,
 635                 AV_PIX_FMT_YUVJ444P,
 636                 AV_PIX_FMT_YUVA420P9BE,
 637                 AV_PIX_FMT_YUVA422P9BE,
 638                 AV_PIX_FMT_YUVA444P9BE,
 639                 AV_PIX_FMT_YUVA420P9LE,
 640                 AV_PIX_FMT_YUVA422P9LE,
 641                 AV_PIX_FMT_YUVA444P9LE,
 642                 AV_PIX_FMT_YUVA420P10BE,
 643                 AV_PIX_FMT_YUVA422P10BE,
 644                 AV_PIX_FMT_YUVA444P10BE,
 645                 AV_PIX_FMT_YUVA420P10LE,
 646                 AV_PIX_FMT_YUVA422P10LE,
 647                 AV_PIX_FMT_YUVA444P10LE,
 648                 AV_PIX_FMT_YUVA420P16BE,
 649                 AV_PIX_FMT_YUVA422P16BE,
 650                 AV_PIX_FMT_YUVA444P16BE,
 651                 AV_PIX_FMT_YUVA420P16LE,
 652                 AV_PIX_FMT_YUVA422P16LE,
 653                 AV_PIX_FMT_YUVA444P16LE,
 654                 AV_PIX_FMT_RGB555LE, // 46
 655         };
 656
 657         int N = 0;
 658         for (auto i: pix_fmts) {
 659                 auto foo = make_shared<Image>(i, in_size, Image::Alignment::PADDED);
 660                 foo->make_black ();
 661                 auto bar = foo->scale (out_size, dcp::YUVToRGB::REC601, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
 662
 663                 uint8_t* p = bar->data()[0];
 664                 for (int y = 0; y < bar->size().height; ++y) {
 665                         uint8_t* q = p;
 666                         for (int x = 0; x < bar->line_size()[0]; ++x) {
 667                                 if (*q != 0) {
 668                                         std::cerr << "x=" << x << ", (x%3)=" << (x%3) << "\n";
 669                                 }
 670                                 BOOST_CHECK_EQUAL (*q++, 0);
 671                         }
 672                         p += bar->stride()[0];
 673                 }
 674
 675                 ++N;
 676         }
 677 }
 678
 679
 680 BOOST_AUTO_TEST_CASE (make_part_black_test)
 681 {
 682         auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
 683         auto original = proxy->image(Image::Alignment::PADDED).image;
 684
 685         list<AVPixelFormat> pix_fmts = {
 686                 AV_PIX_FMT_RGB24,
 687                 AV_PIX_FMT_ARGB,
 688                 AV_PIX_FMT_RGBA,
 689                 AV_PIX_FMT_ABGR,
 690                 AV_PIX_FMT_BGRA,
 691                 AV_PIX_FMT_YUV420P,
 692                 AV_PIX_FMT_YUV422P10LE,
 693                 AV_PIX_FMT_YUV444P10LE
 694         };
 695
 696         list<std::pair<int, int>> positions = {
 697                 { 0, 256 },
 698                 { 128, 64 },
 699         };
 700
 701         int N = 0;
 702         for (auto i: pix_fmts) {
 703                 for (auto j: positions) {
 704                         auto foo = original->convert_pixel_format(dcp::YUVToRGB::REC601, i, Image::Alignment::PADDED, false);
 705                         foo->make_part_black (j.first, j.second);
 706                         auto bar = foo->convert_pixel_format (dcp::YUVToRGB::REC601, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
 707
 708                         auto p = bar->data()[0];
 709                         for (int y = 0; y < bar->size().height; ++y) {
 710                                 auto q = p;
 711                                 for (int x = 0; x < bar->size().width; ++x) {
 712                                         int r = *q++;
 713                                         int g = *q++;
 714                                         int b = *q++;
 715                                         if (x >= j.first && x < (j.first + j.second)) {
 716                                                 BOOST_CHECK_MESSAGE (
 717                                                         r < 3, "red=" << static_cast<int>(r) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 718                                                         );
 719                                         } else {
 720                                                 BOOST_CHECK_MESSAGE (
 721                                                         r >= 252, "red=" << static_cast<int>(r) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 722                                                         );
 723
 724                                         }
 725                                         BOOST_CHECK_MESSAGE (
 726                                                 g == 0, "green=" << static_cast<int>(g) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 727                                                 );
 728                                         BOOST_CHECK_MESSAGE (
 729                                                 b == 0, "blue=" << static_cast<int>(b) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 730                                                 );
 731                                 }
 732                                 p += bar->stride()[0];
 733                         }
 734
 735                         ++N;
 736                 }
 737         }
 738 }
 739
 740
 741 /** Make sure the image isn't corrupted if it is cropped too much.  This can happen when a
 742  *  filler 128x128 black frame is emitted from the FFmpegDecoder and the overall crop in either direction
 743  *  is greater than 128 pixels.
 744  */
 745 BOOST_AUTO_TEST_CASE (over_crop_test)
 746 {
 747         auto image = make_shared<Image>(AV_PIX_FMT_RGB24, dcp::Size(128, 128), Image::Alignment::PADDED);
 748         image->make_black ();
 749         auto scaled = image->crop_scale_window (
 750                 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
 751                 );
 752         string const filename = "over_crop_test.png";
 753         write_image (scaled, "build/test/" + filename);
 754         check_image ("test/data/" + filename, "build/test/" + filename);
 755 }