+ 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::YUVToRGB::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)
+{
+ auto proxy = make_shared<FFmpegImageProxy>("test/data/flat_red.png");
+ auto red = proxy->image().image->convert_pixel_format(dcp::YUVToRGB::REC709, f, true, false);
+ red->fade (amount);
+ string const filename = "fade_test_red_" + name + ".png";
+ red->convert_pixel_format(dcp::YUVToRGB::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");
+}
+
+
+BOOST_AUTO_TEST_CASE (make_black_test)
+{
+ dcp::Size in_size (512, 512);
+ dcp::Size out_size (1024, 1024);
+
+ list<AVPixelFormat> pix_fmts = {
+ AV_PIX_FMT_RGB24, // 2
+ AV_PIX_FMT_ARGB,
+ AV_PIX_FMT_RGBA,
+ AV_PIX_FMT_ABGR,
+ AV_PIX_FMT_BGRA,
+ AV_PIX_FMT_YUV420P, // 0
+ AV_PIX_FMT_YUV411P,
+ AV_PIX_FMT_YUV422P10LE,
+ AV_PIX_FMT_YUV422P16LE,
+ AV_PIX_FMT_YUV444P9LE,
+ AV_PIX_FMT_YUV444P9BE,
+ AV_PIX_FMT_YUV444P10LE,
+ AV_PIX_FMT_YUV444P10BE,
+ AV_PIX_FMT_UYVY422,
+ AV_PIX_FMT_YUVJ420P,
+ AV_PIX_FMT_YUVJ422P,
+ AV_PIX_FMT_YUVJ444P,
+ AV_PIX_FMT_YUVA420P9BE,
+ AV_PIX_FMT_YUVA422P9BE,
+ AV_PIX_FMT_YUVA444P9BE,
+ AV_PIX_FMT_YUVA420P9LE,
+ AV_PIX_FMT_YUVA422P9LE,
+ AV_PIX_FMT_YUVA444P9LE,
+ AV_PIX_FMT_YUVA420P10BE,
+ AV_PIX_FMT_YUVA422P10BE,
+ AV_PIX_FMT_YUVA444P10BE,
+ AV_PIX_FMT_YUVA420P10LE,
+ AV_PIX_FMT_YUVA422P10LE,
+ AV_PIX_FMT_YUVA444P10LE,
+ AV_PIX_FMT_YUVA420P16BE,
+ AV_PIX_FMT_YUVA422P16BE,
+ AV_PIX_FMT_YUVA444P16BE,
+ AV_PIX_FMT_YUVA420P16LE,
+ AV_PIX_FMT_YUVA422P16LE,
+ AV_PIX_FMT_YUVA444P16LE,
+ AV_PIX_FMT_RGB555LE, // 46
+ };
+
+ int N = 0;
+ for (auto i: pix_fmts) {
+ auto foo = make_shared<Image>(i, in_size, true);
+ foo->make_black ();
+ auto bar = foo->scale (out_size, dcp::YUVToRGB::REC601, AV_PIX_FMT_RGB24, true, false);
+
+ uint8_t* p = bar->data()[0];
+ for (int y = 0; y < bar->size().height; ++y) {
+ uint8_t* q = p;
+ for (int x = 0; x < bar->line_size()[0]; ++x) {
+ if (*q != 0) {
+ std::cerr << "x=" << x << ", (x%3)=" << (x%3) << "\n";
+ }
+ BOOST_CHECK_EQUAL (*q++, 0);