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 void
 149 alpha_blend_test_one (AVPixelFormat format, string suffix)
 150 {
 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);
 154
 155         auto overlay = make_shared<Image>(AV_PIX_FMT_BGRA, dcp::Size(431, 891), Image::Alignment::PADDED);
 156         overlay->make_transparent ();
 157
 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) {
 161                         p[x * 4 + 2] = 255;
 162                         p[x * 4 + 3] = 255;
 163                 }
 164         }
 165
 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) {
 169                         p[x * 4 + 1] = 255;
 170                         p[x * 4 + 3] = 255;
 171                 }
 172         }
 173
 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) {
 177                         p[x * 4] = 255;
 178                         p[x * 4 + 3] = 255;
 179                 }
 180         }
 181
 182         background->alpha_blend (overlay, Position<int> (13, 17));
 183
 184         auto save = background->convert_pixel_format (dcp::YUVToRGB::REC709, AV_PIX_FMT_RGB24, Image::Alignment::COMPACT, false);
 185
 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"));
 188 }
 189
 190
 191 /** Test Image::alpha_blend */
 192 BOOST_AUTO_TEST_CASE (alpha_blend_test)
 193 {
 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");
 201 }
 202
 203
 204 /** Test merge (list<PositionImage>) with a single image */
 205 BOOST_AUTO_TEST_CASE (merge_test1)
 206 {
 207         int const stride = 48 * 4;
 208
 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];
 212
 213         for (int y = 0; y < 48; ++y) {
 214                 auto p = a + y * stride;
 215                 for (int x = 0; x < 16; ++x) {
 216                         /* blue */
 217                         p[x * 4] = 255;
 218                         /* opaque */
 219                         p[x * 4 + 3] = 255;
 220                 }
 221         }
 222
 223         list<PositionImage> all;
 224         all.push_back (PositionImage (A, Position<int>(0, 0)));
 225         auto merged = merge (all, Image::Alignment::COMPACT);
 226
 227         BOOST_CHECK (merged.position == Position<int>(0, 0));
 228         BOOST_CHECK_EQUAL (memcmp (merged.image->data()[0], A->data()[0], stride * 48), 0);
 229 }
 230
 231
 232 /** Test merge (list<PositionImage>) with two images */
 233 BOOST_AUTO_TEST_CASE (merge_test2)
 234 {
 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) {
 239                 /* blue */
 240                 a[x * 4] = 255;
 241                 /* opaque */
 242                 a[x * 4 + 3] = 255;
 243         }
 244
 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) {
 249                 /* red */
 250                 b[(x + 32) * 4 + 2] = 255;
 251                 /* opaque */
 252                 b[(x + 32) * 4 + 3] = 255;
 253         }
 254
 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);
 259
 260         BOOST_CHECK (merged.position == Position<int>(0, 0));
 261
 262         auto m = merged.image->data()[0];
 263
 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);
 270         }
 271 }
 272
 273
 274 /** Test Image::crop_scale_window with YUV420P and some windowing */
 275 BOOST_AUTO_TEST_CASE (crop_scale_window_test)
 276 {
 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
 281                 );
 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");
 285 }
 286
 287
 288 /** Special cases of Image::crop_scale_window which triggered some valgrind warnings */
 289 BOOST_AUTO_TEST_CASE (crop_scale_window_test2)
 290 {
 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
 294                 );
 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
 297                 );
 298 }
 299
 300
 301 BOOST_AUTO_TEST_CASE (crop_scale_window_test3)
 302 {
 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
 307                 );
 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");
 310 }
 311
 312
 313 BOOST_AUTO_TEST_CASE (crop_scale_window_test4)
 314 {
 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
 319                 );
 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);
 322 }
 323
 324
 325 BOOST_AUTO_TEST_CASE (crop_scale_window_test5)
 326 {
 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
 331                 );
 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");
 334 }
 335
 336
 337 BOOST_AUTO_TEST_CASE (crop_scale_window_test6)
 338 {
 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
 343                 );
 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);
 346 }
 347
 348
 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)
 351 {
 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,
 362                         VideoRange::VIDEO,
 363                         AV_PIX_FMT_RGB24,
 364                         VideoRange::VIDEO,
 365                         Image::Alignment::PADDED,
 366                         false
 367                         );
 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);
 371         }
 372 }
 373
 374
 375 BOOST_AUTO_TEST_CASE (as_png_test)
 376 {
 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");
 382
 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");
 385 }
 386
 387
 388 BOOST_AUTO_TEST_CASE (as_jpeg_test)
 389 {
 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");
 395
 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");
 398 }
 399
 400
 401 /* Very dumb test to fade black to make sure it stays black */
 402 static void
 403 fade_test_format_black (AVPixelFormat f, string name)
 404 {
 405         Image yuv (f, dcp::Size(640, 480), Image::Alignment::PADDED);
 406         yuv.make_black ();
 407         yuv.fade (0);
 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);
 411 }
 412
 413
 414 /* Fade red to make sure it stays red */
 415 static void
 416 fade_test_format_red (AVPixelFormat f, float amount, string name)
 417 {
 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);
 420         red->fade (amount);
 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);
 424 }
 425
 426
 427 BOOST_AUTO_TEST_CASE (fade_test)
 428 {
 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");
 434
 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");
 450 }
 451
 452
 453 BOOST_AUTO_TEST_CASE (make_black_test)
 454 {
 455         dcp::Size in_size (512, 512);
 456         dcp::Size out_size (1024, 1024);
 457
 458         list<AVPixelFormat> pix_fmts = {
 459                 AV_PIX_FMT_RGB24, // 2
 460                 AV_PIX_FMT_ARGB,
 461                 AV_PIX_FMT_RGBA,
 462                 AV_PIX_FMT_ABGR,
 463                 AV_PIX_FMT_BGRA,
 464                 AV_PIX_FMT_YUV420P, // 0
 465                 AV_PIX_FMT_YUV411P,
 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,
 472                 AV_PIX_FMT_UYVY422,
 473                 AV_PIX_FMT_YUVJ420P,
 474                 AV_PIX_FMT_YUVJ422P,
 475                 AV_PIX_FMT_YUVJ444P,
 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
 495         };
 496
 497         int N = 0;
 498         for (auto i: pix_fmts) {
 499                 auto foo = make_shared<Image>(i, in_size, Image::Alignment::PADDED);
 500                 foo->make_black ();
 501                 auto bar = foo->scale (out_size, dcp::YUVToRGB::REC601, AV_PIX_FMT_RGB24, Image::Alignment::PADDED, false);
 502
 503                 uint8_t* p = bar->data()[0];
 504                 for (int y = 0; y < bar->size().height; ++y) {
 505                         uint8_t* q = p;
 506                         for (int x = 0; x < bar->line_size()[0]; ++x) {
 507                                 if (*q != 0) {
 508                                         std::cerr << "x=" << x << ", (x%3)=" << (x%3) << "\n";
 509                                 }
 510                                 BOOST_CHECK_EQUAL (*q++, 0);
 511                         }
 512                         p += bar->stride()[0];
 513                 }
 514
 515                 ++N;
 516         }
 517 }
 518
 519
 520 BOOST_AUTO_TEST_CASE (make_part_black_test)
 521 {
 522         auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
 523         auto original = proxy->image(Image::Alignment::PADDED).image;
 524
 525         list<AVPixelFormat> pix_fmts = {
 526                 AV_PIX_FMT_RGB24,
 527                 AV_PIX_FMT_ARGB,
 528                 AV_PIX_FMT_RGBA,
 529                 AV_PIX_FMT_ABGR,
 530                 AV_PIX_FMT_BGRA,
 531                 AV_PIX_FMT_YUV420P,
 532                 AV_PIX_FMT_YUV422P10LE,
 533         };
 534
 535         list<std::pair<int, int>> positions = {
 536                 { 0, 256 },
 537                 { 128, 64 },
 538         };
 539
 540         int N = 0;
 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);
 546
 547                         auto p = bar->data()[0];
 548                         for (int y = 0; y < bar->size().height; ++y) {
 549                                 auto q = p;
 550                                 for (int x = 0; x < bar->size().width; ++x) {
 551                                         int r = *q++;
 552                                         int g = *q++;
 553                                         int b = *q++;
 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
 557                                                         );
 558                                         } else {
 559                                                 BOOST_CHECK_MESSAGE (
 560                                                         r >= 252, "red=" << static_cast<int>(r) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 561                                                         );
 562
 563                                         }
 564                                         BOOST_CHECK_MESSAGE (
 565                                                 g == 0, "green=" << static_cast<int>(g) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 566                                                 );
 567                                         BOOST_CHECK_MESSAGE (
 568                                                 b == 0, "blue=" << static_cast<int>(b) << " at (" << x << "," << y << ") format " << i << " from " << j.first << " width " << j.second
 569                                                 );
 570                                 }
 571                                 p += bar->stride()[0];
 572                         }
 573
 574                         ++N;
 575                 }
 576         }
 577 }
 578
 579
 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.
 583  */
 584 BOOST_AUTO_TEST_CASE (over_crop_test)
 585 {
 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
 590                 );
 591         string const filename = "over_crop_test.png";
 592         write_image (scaled, "build/test/" + filename);
 593         check_image ("test/data/" + filename, "build/test/" + filename);
 594 }