mg                115 libavfilter/vf_colormatrix.c     double det = ma * (me * mi - mf * mh) - mb * (md * mi - mf * mg) + mc * (md * mh - me * mg);
mg                120 libavfilter/vf_colormatrix.c     imd = det * (mf * mg - md * mi);
mg                121 libavfilter/vf_colormatrix.c     ime = det * (ma * mi - mc * mg);
mg                123 libavfilter/vf_colormatrix.c     img = det * (md * mh - me * mg);
mg                124 libavfilter/vf_colormatrix.c     imh = det * (mb * mg - ma * mh);