Lines Matching refs:_y
67 const int _y = scale * ( (0.257f * _r) + (0.504f * _g) + (0.098f * _b));
71 *y = _y + 16;
81 const int _y = y - 16;
89 *r = scale * (y_factor * _y + 1.596f * _v);
90 *g = scale * (y_factor * _y - 0.391f * _u - 0.813f * _v);
91 *b = scale * (y_factor * _y + 2.018f * _u );
109 const int _y = y - 16;
113 const int _r = (298 * _y + 409 * _v + 128) >> 8;
114 const int _g = (298 * _y - 100 * _u - 208 * _v + 128) >> 8;
115 const int _b = (298 * _y + 516 * _u + 128) >> 8;
