X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=test%2Fimage_test.cc;h=5fccf6b9ba7acdf158febe3decdb8a61b609a3f6;hp=44d15a8cb2ab18427f79e0d72ab1991548b7e4ca;hb=e81c5eb9e8ff875240dde9fdaaab0a46f99af615;hpb=f90d74f7a0382f0dc63eef81bd553d7a7b38edb2 diff --git a/test/image_test.cc b/test/image_test.cc index 44d15a8cb..5fccf6b9b 100644 --- a/test/image_test.cc +++ b/test/image_test.cc @@ -1,32 +1,34 @@ /* - Copyright (C) 2012-2014 Carl Hetherington + Copyright (C) 2012-2018 Carl Hetherington - This program is free software; you can redistribute it and/or modify + This file is part of DCP-o-matic. + + DCP-o-matic is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + DCP-o-matic is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + along with DCP-o-matic. If not, see . */ /** @file test/image_test.cc - * @brief Tests of the Image class. - * + * @brief Test Image class. + * @ingroup selfcontained * @see test/make_black_test.cc, test/pixel_formats_test.cc */ -#include -#include #include "lib/image.h" -#include "lib/scaler.h" +#include "lib/ffmpeg_image_proxy.h" +#include "test.h" +#include +#include using std::string; using std::list; @@ -35,8 +37,8 @@ using boost::shared_ptr; BOOST_AUTO_TEST_CASE (aligned_image_test) { - Image* s = new Image (PIX_FMT_RGB24, dcp::Size (50, 50), true); - BOOST_CHECK_EQUAL (s->components(), 1); + Image* s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), true); + BOOST_CHECK_EQUAL (s->planes(), 1); /* 160 is 150 aligned to the nearest 32 bytes */ BOOST_CHECK_EQUAL (s->stride()[0], 160); BOOST_CHECK_EQUAL (s->line_size()[0], 150); @@ -47,7 +49,7 @@ BOOST_AUTO_TEST_CASE (aligned_image_test) /* copy constructor */ Image* t = new Image (*s); - BOOST_CHECK_EQUAL (t->components(), 1); + BOOST_CHECK_EQUAL (t->planes(), 1); BOOST_CHECK_EQUAL (t->stride()[0], 160); BOOST_CHECK_EQUAL (t->line_size()[0], 150); BOOST_CHECK (t->data()[0]); @@ -62,9 +64,9 @@ BOOST_AUTO_TEST_CASE (aligned_image_test) BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]); /* assignment operator */ - Image* u = new Image (PIX_FMT_YUV422P, dcp::Size (150, 150), false); + Image* u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), false); *u = *s; - BOOST_CHECK_EQUAL (u->components(), 1); + BOOST_CHECK_EQUAL (u->planes(), 1); BOOST_CHECK_EQUAL (u->stride()[0], 160); BOOST_CHECK_EQUAL (u->line_size()[0], 150); BOOST_CHECK (u->data()[0]); @@ -85,8 +87,8 @@ BOOST_AUTO_TEST_CASE (aligned_image_test) BOOST_AUTO_TEST_CASE (compact_image_test) { - Image* s = new Image (PIX_FMT_RGB24, dcp::Size (50, 50), false); - BOOST_CHECK_EQUAL (s->components(), 1); + Image* s = new Image (AV_PIX_FMT_RGB24, dcp::Size (50, 50), false); + BOOST_CHECK_EQUAL (s->planes(), 1); BOOST_CHECK_EQUAL (s->stride()[0], 50 * 3); BOOST_CHECK_EQUAL (s->line_size()[0], 50 * 3); BOOST_CHECK (s->data()[0]); @@ -96,7 +98,7 @@ BOOST_AUTO_TEST_CASE (compact_image_test) /* copy constructor */ Image* t = new Image (*s); - BOOST_CHECK_EQUAL (t->components(), 1); + BOOST_CHECK_EQUAL (t->planes(), 1); BOOST_CHECK_EQUAL (t->stride()[0], 50 * 3); BOOST_CHECK_EQUAL (t->line_size()[0], 50 * 3); BOOST_CHECK (t->data()[0]); @@ -111,9 +113,9 @@ BOOST_AUTO_TEST_CASE (compact_image_test) BOOST_CHECK_EQUAL (t->stride()[0], s->stride()[0]); /* assignment operator */ - Image* u = new Image (PIX_FMT_YUV422P, dcp::Size (150, 150), true); + Image* u = new Image (AV_PIX_FMT_YUV422P, dcp::Size (150, 150), true); *u = *s; - BOOST_CHECK_EQUAL (u->components(), 1); + BOOST_CHECK_EQUAL (u->planes(), 1); BOOST_CHECK_EQUAL (u->stride()[0], 50 * 3); BOOST_CHECK_EQUAL (u->line_size()[0], 50 * 3); BOOST_CHECK (u->data()[0]); @@ -132,234 +134,73 @@ BOOST_AUTO_TEST_CASE (compact_image_test) delete u; } -BOOST_AUTO_TEST_CASE (crop_image_test) +void +alpha_blend_test_one (AVPixelFormat format, string suffix) { - /* This was to check out a bug with valgrind, and is probably not very useful */ - shared_ptr image (new Image (PIX_FMT_YUV420P, dcp::Size (16, 16), true)); - image->make_black (); - Crop crop; - crop.top = 3; - image->crop (crop, false); -} + shared_ptr proxy (new FFmpegImageProxy (TestPaths::private_data / "prophet_frame.tiff")); + shared_ptr raw = proxy->image().image; + shared_ptr background = raw->convert_pixel_format (dcp::YUV_TO_RGB_REC709, format, true, false); -/* Test cropping of a YUV 4:2:0 image by 1 pixel, which used to fail because - the U/V copying was not rounded up to the next sample. -*/ -BOOST_AUTO_TEST_CASE (crop_image_test2) -{ - /* Here's a 1998 x 1080 image which is black */ - shared_ptr image (new Image (PIX_FMT_YUV420P, dcp::Size (1998, 1080), true)); - image->make_black (); - - /* Crop it by 1 pixel */ - Crop crop; - crop.left = 1; - image = image->crop (crop, true); - - /* Convert it back to RGB to make comparison to black easier */ - image = image->scale (image->size(), Scaler::from_id ("bicubic"), PIX_FMT_RGB24, true); - - /* Check that its still black after the crop */ - uint8_t* p = image->data()[0]; - for (int y = 0; y < image->size().height; ++y) { - uint8_t* q = p; - for (int x = 0; x < image->size().width; ++x) { - BOOST_CHECK_EQUAL (*q++, 0); - BOOST_CHECK_EQUAL (*q++, 0); - BOOST_CHECK_EQUAL (*q++, 0); - } - p += image->stride()[0]; - } -} + shared_ptr overlay (new Image (AV_PIX_FMT_BGRA, dcp::Size(431, 891), true)); + overlay->make_transparent (); -static -boost::shared_ptr -read_file (string file) -{ - Magick::Image magick_image (file.c_str ()); - dcp::Size size (magick_image.columns(), magick_image.rows()); - - boost::shared_ptr image (new Image (PIX_FMT_RGB24, size, true)); - -#ifdef DCPOMATIC_IMAGE_MAGICK - using namespace MagickCore; -#endif - - uint8_t* p = image->data()[0]; - for (int y = 0; y < size.height; ++y) { - uint8_t* q = p; - for (int x = 0; x < size.width; ++x) { - Magick::Color c = magick_image.pixelColor (x, y); -#ifdef DCPOMATIC_IMAGE_MAGICK - *q++ = c.redQuantum() * 255 / QuantumRange; - *q++ = c.greenQuantum() * 255 / QuantumRange; - *q++ = c.blueQuantum() * 255 / QuantumRange; -#else - *q++ = c.redQuantum() * 255 / MaxRGB; - *q++ = c.greenQuantum() * 255 / MaxRGB; - *q++ = c.blueQuantum() * 255 / MaxRGB; -#endif + for (int y = 0; y < 128; ++y) { + uint8_t* p = overlay->data()[0] + y * overlay->stride()[0]; + for (int x = 0; x < 128; ++x) { + p[x * 4 + 2] = 255; + p[x * 4 + 3] = 255; } - p += image->stride()[0]; } - return image; -} - -static -void -write_file (shared_ptr image, string file) -{ -#ifdef DCPOMATIC_IMAGE_MAGICK - using namespace MagickCore; -#endif - - Magick::Image magick_image (Magick::Geometry (image->size().width, image->size().height), Magick::Color (0, 0, 0)); - uint8_t*p = image->data()[0]; - for (int y = 0; y < image->size().height; ++y) { - uint8_t* q = p; - for (int x = 0; x < image->size().width; ++x) { -#ifdef DCPOMATIC_IMAGE_MAGICK - Magick::Color c (q[0] * QuantumRange / 256, q[1] * QuantumRange / 256, q[2] * QuantumRange / 256); -#else - Magick::Color c (q[0] * MaxRGB / 256, q[1] * MaxRGB / 256, q[2] * MaxRGB / 256); -#endif - magick_image.pixelColor (x, y, c); - q += 3; + for (int y = 128; y < 256; ++y) { + uint8_t* p = overlay->data()[0] + y * overlay->stride()[0]; + for (int x = 0; x < 128; ++x) { + p[x * 4 + 1] = 255; + p[x * 4 + 3] = 255; } - p += image->stride()[0]; } - - magick_image.write (file.c_str ()); -} -static -void -crop_scale_window_single (AVPixelFormat in_format, dcp::Size in_size, Crop crop, dcp::Size inter_size, dcp::Size out_size) -{ - /* Set up our test image */ - shared_ptr test (new Image (in_format, in_size, true)); - uint8_t n = 0; - for (int c = 0; c < test->components(); ++c) { - uint8_t* p = test->data()[c]; - for (int y = 0; y < test->lines(c); ++y) { - for (int x = 0; x < test->stride()[c]; ++x) { - *p++ = n++; - } - } - } - - /* Convert using separate methods */ - boost::shared_ptr sep = test->crop (crop, true); - sep = sep->scale (inter_size, Scaler::from_id ("bicubic"), PIX_FMT_RGB24, true); - boost::shared_ptr sep_container (new Image (PIX_FMT_RGB24, out_size, true)); - sep_container->make_black (); - sep_container->copy (sep, Position ((out_size.width - inter_size.width) / 2, (out_size.height - inter_size.height) / 2)); - - /* Convert using the all-in-one method */ - shared_ptr all = test->crop_scale_window (crop, inter_size, out_size, Scaler::from_id ("bicubic"), PIX_FMT_RGB24, true); - - /* Compare */ - BOOST_CHECK_EQUAL (sep_container->size().width, all->size().width); - BOOST_CHECK_EQUAL (sep_container->size().height, all->size().height); - - /* Assuming RGB on these */ - BOOST_CHECK_EQUAL (sep_container->components(), 1); - BOOST_CHECK_EQUAL (all->components(), 1); - - uint8_t* p = sep_container->data()[0]; - uint8_t* q = all->data()[0]; - for (int y = 0; y < all->size().height; ++y) { - uint8_t* pp = p; - uint8_t* qq = q; - for (int x = 0; x < all->size().width * 3; ++x) { - BOOST_CHECK_EQUAL (*pp++, *qq++); + for (int y = 256; y < 384; ++y) { + uint8_t* p = overlay->data()[0] + y * overlay->stride()[0]; + for (int x = 0; x < 128; ++x) { + p[x * 4] = 255; + p[x * 4 + 3] = 255; } - p += sep_container->stride()[0]; - q += all->stride()[0]; } -} -/** Test Image::crop_scale_window against separate calls to crop/scale/copy */ -BOOST_AUTO_TEST_CASE (crop_scale_window_test) -{ - crop_scale_window_single (AV_PIX_FMT_YUV422P, dcp::Size (640, 480), Crop (), dcp::Size (640, 480), dcp::Size (640, 480)); - crop_scale_window_single (AV_PIX_FMT_YUV422P, dcp::Size (640, 480), Crop (2, 4, 6, 8), dcp::Size (640, 480), dcp::Size (640, 480)); - crop_scale_window_single (AV_PIX_FMT_YUV422P, dcp::Size (640, 480), Crop (2, 4, 6, 8), dcp::Size (1920, 1080), dcp::Size (1998, 1080)); - crop_scale_window_single (AV_PIX_FMT_YUV422P, dcp::Size (640, 480), Crop (1, 4, 6, 8), dcp::Size (1920, 1080), dcp::Size (1998, 1080)); - crop_scale_window_single (AV_PIX_FMT_YUV420P, dcp::Size (640, 480), Crop (16, 16, 0, 0), dcp::Size (1920, 1080), dcp::Size (1998, 1080)); - crop_scale_window_single (AV_PIX_FMT_YUV420P, dcp::Size (640, 480), Crop (16, 3, 3, 0), dcp::Size (1920, 1080), dcp::Size (1998, 1080)); - crop_scale_window_single (AV_PIX_FMT_RGB24, dcp::Size (1000, 800), Crop (0, 0, 0, 0), dcp::Size (1920, 1080), dcp::Size (1998, 1080)); - crop_scale_window_single (AV_PIX_FMT_RGB24, dcp::Size (1000, 800), Crop (55, 0, 1, 9), dcp::Size (1920, 1080), dcp::Size (1998, 1080)); + background->alpha_blend (overlay, Position (13, 17)); + + shared_ptr save = background->convert_pixel_format (dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, false, false); + + write_image (save, "build/test/image_test_" + suffix + ".png", "RGB"); + check_image ("build/test/image_test_" + suffix + ".png", TestPaths::private_data / ("image_test_" + suffix + ".png")); } /** Test Image::alpha_blend */ BOOST_AUTO_TEST_CASE (alpha_blend_test) { - int const stride = 48 * 4; - - shared_ptr A (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 48), false)); - A->make_black (); - uint8_t* a = A->data()[0]; - - for (int y = 0; y < 48; ++y) { - uint8_t* p = a + y * stride; - for (int x = 0; x < 16; ++x) { - p[x * 4] = 255; - p[(x + 16) * 4 + 1] = 255; - p[(x + 32) * 4 + 2] = 255; - } - } - - shared_ptr B (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 48), true)); - B->make_transparent (); - uint8_t* b = B->data()[0]; - - for (int y = 32; y < 48; ++y) { - uint8_t* p = b + y * stride; - for (int x = 0; x < 48; ++x) { - p[x * 4] = 255; - p[x * 4 + 1] = 255; - p[x * 4 + 2] = 255; - p[x * 4 + 3] = 255; - } - } - - A->alpha_blend (B, Position (0, 0)); - - for (int y = 0; y < 32; ++y) { - uint8_t* p = a + y * stride; - for (int x = 0; x < 16; ++x) { - BOOST_CHECK_EQUAL (p[x * 4], 255); - BOOST_CHECK_EQUAL (p[(x + 16) * 4 + 1], 255); - BOOST_CHECK_EQUAL (p[(x + 32) * 4 + 2], 255); - } - } - - for (int y = 32; y < 48; ++y) { - uint8_t* p = a + y * stride; - for (int x = 0; x < 48; ++x) { - BOOST_CHECK_EQUAL (p[x * 4], 255); - BOOST_CHECK_EQUAL (p[x * 4 + 1], 255); - BOOST_CHECK_EQUAL (p[x * 4 + 2], 255); - BOOST_CHECK_EQUAL (p[x * 4 + 3], 255); - } - } + alpha_blend_test_one (AV_PIX_FMT_RGB24, "rgb24"); + alpha_blend_test_one (AV_PIX_FMT_BGRA, "bgra"); + alpha_blend_test_one (AV_PIX_FMT_RGBA, "rgba"); + alpha_blend_test_one (AV_PIX_FMT_RGB48LE, "rgb48le"); + alpha_blend_test_one (AV_PIX_FMT_YUV420P, "yuv420p"); + alpha_blend_test_one (AV_PIX_FMT_YUV420P10, "yuv420p10"); + alpha_blend_test_one (AV_PIX_FMT_YUV422P10LE, "yuv422p10le"); } /** Test merge (list) with a single image */ BOOST_AUTO_TEST_CASE (merge_test1) { int const stride = 48 * 4; - - shared_ptr A (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 48), false)); + + shared_ptr A (new Image (AV_PIX_FMT_BGRA, dcp::Size (48, 48), false)); A->make_transparent (); uint8_t* a = A->data()[0]; for (int y = 0; y < 48; ++y) { uint8_t* p = a + y * stride; for (int x = 0; x < 16; ++x) { - /* red */ + /* blue */ p[x * 4] = 255; /* opaque */ p[x * 4 + 3] = 255; @@ -377,21 +218,21 @@ BOOST_AUTO_TEST_CASE (merge_test1) /** Test merge (list) with two images */ BOOST_AUTO_TEST_CASE (merge_test2) { - shared_ptr A (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 1), false)); + shared_ptr A (new Image (AV_PIX_FMT_BGRA, dcp::Size (48, 1), false)); A->make_transparent (); uint8_t* a = A->data()[0]; for (int x = 0; x < 16; ++x) { - /* red */ + /* blue */ a[x * 4] = 255; /* opaque */ a[x * 4 + 3] = 255; } - shared_ptr B (new Image (AV_PIX_FMT_RGBA, dcp::Size (48, 1), false)); + shared_ptr B (new Image (AV_PIX_FMT_BGRA, dcp::Size (48, 1), false)); B->make_transparent (); uint8_t* b = B->data()[0]; for (int x = 0; x < 16; ++x) { - /* blue */ + /* red */ b[(x + 32) * 4 + 2] = 255; /* opaque */ b[(x + 32) * 4 + 3] = 255; @@ -414,3 +255,119 @@ BOOST_AUTO_TEST_CASE (merge_test2) BOOST_CHECK_EQUAL (m[(x + 32) * 4 + 3], 255); } } + +/** Test Image::crop_scale_window with YUV420P and some windowing */ +BOOST_AUTO_TEST_CASE (crop_scale_window_test) +{ + shared_ptr proxy(new FFmpegImageProxy("test/data/flat_red.png")); + shared_ptr raw = proxy->image().image; + shared_ptr out = raw->crop_scale_window(Crop(), dcp::Size(1998, 836), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_YUV420P, true, false); + shared_ptr save = out->scale(dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, false, false); + write_image(save, "build/test/crop_scale_window_test.png", "RGB"); + check_image("test/data/crop_scale_window_test.png", "build/test/crop_scale_window_test.png"); +} + +/** Special cases of Image::crop_scale_window which triggered some valgrind warnings */ +BOOST_AUTO_TEST_CASE (crop_scale_window_test2) +{ + shared_ptr image (new Image(AV_PIX_FMT_XYZ12LE, dcp::Size(2048, 858), true)); + image->crop_scale_window (Crop(279, 0, 0, 0), dcp::Size(1069, 448), dcp::Size(1069, 578), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_RGB24, false, false); + image->crop_scale_window (Crop(2048, 0, 0, 0), dcp::Size(1069, 448), dcp::Size(1069, 578), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_RGB24, false, false); +} + +BOOST_AUTO_TEST_CASE (crop_scale_window_test3) +{ + shared_ptr proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png")); + shared_ptr xyz = proxy->image().image->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, true, false); + shared_ptr cropped = xyz->crop_scale_window(Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_RGB24, false, false); + write_image(cropped, "build/test/crop_scale_window_test3.png", "RGB", MagickCore::CharPixel); + check_image("test/data/crop_scale_window_test3.png", "build/test/crop_scale_window_test3.png"); +} + +BOOST_AUTO_TEST_CASE (crop_scale_window_test4) +{ + shared_ptr proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png")); + shared_ptr xyz = proxy->image().image->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGB24, true, false); + shared_ptr cropped = xyz->crop_scale_window(Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_XYZ12LE, false, false); + write_image(cropped, "build/test/crop_scale_window_test4.png", "RGB", MagickCore::ShortPixel); + check_image("test/data/crop_scale_window_test4.png", "build/test/crop_scale_window_test4.png"); +} + +BOOST_AUTO_TEST_CASE (crop_scale_window_test5) +{ + shared_ptr proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png")); + shared_ptr xyz = proxy->image().image->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_XYZ12LE, true, false); + shared_ptr cropped = xyz->crop_scale_window(Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_RGB24, false, false); + write_image(cropped, "build/test/crop_scale_window_test5.png", "RGB", MagickCore::CharPixel); + check_image("test/data/crop_scale_window_test5.png", "build/test/crop_scale_window_test5.png"); +} + +BOOST_AUTO_TEST_CASE (crop_scale_window_test6) +{ + shared_ptr proxy(new FFmpegImageProxy("test/data/player_seek_test_0.png")); + shared_ptr xyz = proxy->image().image->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_XYZ12LE, true, false); + shared_ptr cropped = xyz->crop_scale_window(Crop(512, 0, 0, 0), dcp::Size(1486, 1080), dcp::Size(1998, 1080), dcp::YUV_TO_RGB_REC709, VIDEO_RANGE_FULL, AV_PIX_FMT_XYZ12LE, false, false); + write_image(cropped, "build/test/crop_scale_window_test6.png", "RGB", MagickCore::ShortPixel); + check_image("test/data/crop_scale_window_test6.png", "build/test/crop_scale_window_test6.png"); +} + +BOOST_AUTO_TEST_CASE (as_png_test) +{ + shared_ptr proxy(new FFmpegImageProxy("test/data/3d_test/000001.png")); + shared_ptr image_rgb = proxy->image().image; + shared_ptr image_bgr = image_rgb->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_BGRA, true, false); + image_rgb->as_png().write ("build/test/as_png_rgb.png"); + image_bgr->as_png().write ("build/test/as_png_bgr.png"); + + check_image ("test/data/3d_test/000001.png", "build/test/as_png_rgb.png"); + check_image ("test/data/3d_test/000001.png", "build/test/as_png_bgr.png"); +} + +/* Very dumb test to fade black to make sure it stays black */ +static void +fade_test_format_black (AVPixelFormat f, string name) +{ + Image yuv (f, dcp::Size(640, 480), true); + yuv.make_black (); + yuv.fade (0); + string const filename = "fade_test_black_" + name + ".png"; + yuv.convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGBA, true, false)->as_png().write("build/test/" + filename); + check_image ("test/data/" + filename, "build/test/" + filename); +} + +/* Fade red to make sure it stays red */ +static void +fade_test_format_red (AVPixelFormat f, float amount, string name) +{ + shared_ptr proxy(new FFmpegImageProxy("test/data/flat_red.png")); + shared_ptr red = proxy->image().image->convert_pixel_format(dcp::YUV_TO_RGB_REC709, f, true, false); + red->fade (amount); + string const filename = "fade_test_red_" + name + ".png"; + red->convert_pixel_format(dcp::YUV_TO_RGB_REC709, AV_PIX_FMT_RGBA, true, false)->as_png().write("build/test/" + filename); + check_image ("test/data/" + filename, "build/test/" + filename); +} + +BOOST_AUTO_TEST_CASE (fade_test) +{ + fade_test_format_black (AV_PIX_FMT_YUV420P, "yuv420p"); + fade_test_format_black (AV_PIX_FMT_YUV422P10, "yuv422p10"); + fade_test_format_black (AV_PIX_FMT_RGB24, "rgb24"); + fade_test_format_black (AV_PIX_FMT_XYZ12LE, "xyz12le"); + fade_test_format_black (AV_PIX_FMT_RGB48LE, "rgb48le"); + + fade_test_format_red (AV_PIX_FMT_YUV420P, 0, "yuv420p_0"); + fade_test_format_red (AV_PIX_FMT_YUV420P, 0.5, "yuv420p_50"); + fade_test_format_red (AV_PIX_FMT_YUV420P, 1, "yuv420p_100"); + fade_test_format_red (AV_PIX_FMT_YUV422P10, 0, "yuv422p10_0"); + fade_test_format_red (AV_PIX_FMT_YUV422P10, 0.5, "yuv422p10_50"); + fade_test_format_red (AV_PIX_FMT_YUV422P10, 1, "yuv422p10_100"); + fade_test_format_red (AV_PIX_FMT_RGB24, 0, "rgb24_0"); + fade_test_format_red (AV_PIX_FMT_RGB24, 0.5, "rgb24_50"); + fade_test_format_red (AV_PIX_FMT_RGB24, 1, "rgb24_100"); + fade_test_format_red (AV_PIX_FMT_XYZ12LE, 0, "xyz12le_0"); + fade_test_format_red (AV_PIX_FMT_XYZ12LE, 0.5, "xyz12le_50"); + fade_test_format_red (AV_PIX_FMT_XYZ12LE, 1, "xyz12le_100"); + fade_test_format_red (AV_PIX_FMT_RGB48LE, 0, "rgb48le_0"); + fade_test_format_red (AV_PIX_FMT_RGB48LE, 0.5, "rgb48le_50"); + fade_test_format_red (AV_PIX_FMT_RGB48LE, 1, "rgb48le_100"); +}