Support 10-/12-bit Y'CbCr output packed in 16-bit.

[movit] / ycbcr_conversion_effect_test.cpp

diff --git a/ycbcr_conversion_effect_test.cpp b/ycbcr_conversion_effect_test.cpp
index a35b9f1ef0307c26522123068f9d8c0fa2e36daa..27a10e32783c8d68588c7b888abd236b3027d341 100644 (file)
--- a/ycbcr_conversion_effect_test.cpp
+++ b/ycbcr_conversion_effect_test.cpp
@@ -576,4 +576,50 @@ TEST(YCbCrConversionEffectTest, TenBitOutput) {
        expect_equal(expected_data, expanded_out_data, 4 * width, height);
 }
 
+TEST(YCbCrConversionEffectTest, TenBitOutputInSixteen) {
+       const int width = 1;
+       const int height = 5;
+
+       // Same test inputs and outputs as TenBitOutput, except that alpha
+       // is 16 bits instead of two.
+       float data[width * height * 4] = {
+               0.0f, 0.0f, 0.0f, 1.0f,
+               1.0f, 1.0f, 1.0f, 1.0f,
+               1.0f, 0.0f, 0.0f, 1.0f,
+               0.0f, 1.0f, 0.0f, 1.0f,
+               0.0f, 0.0f, 1.0f, 1.0f,
+       };
+       uint16_t out_data[width * height * 4];
+       uint16_t expected_data[width * height * 4] = {
+                64, 512, 512, 65535,
+               940, 512, 512, 65535,
+               250, 409, 960, 65535,
+               691, 167, 105, 65535,
+               127, 960, 471, 65535,
+       };
+
+       EffectChainTester tester(NULL, width, height, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA16);
+       tester.add_input(data, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB);
+
+       ImageFormat format;
+       format.color_space = COLORSPACE_sRGB;
+       format.gamma_curve = GAMMA_sRGB;
+
+       YCbCrFormat ycbcr_format;
+       ycbcr_format.luma_coefficients = YCBCR_REC_709;
+       ycbcr_format.full_range = false;
+       ycbcr_format.num_levels = 1024;
+       ycbcr_format.chroma_subsampling_x = 1;
+       ycbcr_format.chroma_subsampling_y = 1;
+       ycbcr_format.cb_x_position = 0.5f;
+       ycbcr_format.cb_y_position = 0.5f;
+       ycbcr_format.cr_x_position = 0.5f;
+       ycbcr_format.cr_y_position = 0.5f;
+
+       tester.add_ycbcr_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED, ycbcr_format, YCBCR_OUTPUT_INTERLEAVED, GL_UNSIGNED_SHORT);
+       tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB);
+
+       expect_equal(expected_data, out_data, 4 * width, height);
+}
+
 }  // namespace movit