Prepare for better understanding of 10- and 12-bit Y'CbCr.

[movit] / ycbcr.cpp

diff --git a/ycbcr.cpp b/ycbcr.cpp
index 277ea9c7b3a3de1c97cf95a51b1941661656bcbd..dc223e7441c845cf7c1449e439862c5732efc71f 100644 (file)
--- a/ycbcr.cpp
+++ b/ycbcr.cpp
@@ -90,6 +90,7 @@ void compute_ycbcr_matrix(YCbCrFormat ycbcr_format, float* offset, Matrix3d* ycb
        }
 
        if (ycbcr_format.full_range) {
        }
 
        if (ycbcr_format.full_range) {

+               // TODO: Use num_levels.

                offset[0] = 0.0 / 255.0;
                offset[1] = 128.0 / 255.0;
                offset[2] = 128.0 / 255.0;
                offset[0] = 0.0 / 255.0;
                offset[1] = 128.0 / 255.0;
                offset[2] = 128.0 / 255.0;


@@ -99,6 +100,7 @@ void compute_ycbcr_matrix(YCbCrFormat ycbcr_format, float* offset, Matrix3d* ycb
                scale[2] = 1.0;
        } else {
                // Rec. 601, page 4; Rec. 709, page 19; Rec. 2020, page 4.
                scale[2] = 1.0;
        } else {
                // Rec. 601, page 4; Rec. 709, page 19; Rec. 2020, page 4.

+               // TODO: Use num_levels.

                offset[0] = 16.0 / 255.0;
                offset[1] = 128.0 / 255.0;
                offset[2] = 128.0 / 255.0;
                offset[0] = 16.0 / 255.0;
                offset[1] = 128.0 / 255.0;
                offset[2] = 128.0 / 255.0;