diff options
Diffstat (limited to 'libavfilter/colorspace.c')
| -rw-r--r-- | libavfilter/colorspace.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libavfilter/colorspace.c b/libavfilter/colorspace.c index 7f74fe5113..f0bd14be18 100644 --- a/libavfilter/colorspace.c +++ b/libavfilter/colorspace.c @@ -62,6 +62,17 @@ void ff_matrix_mul_3x3(double dst[3][3], src2[m][1] * src1[1][n] + src2[m][2] * src1[2][n]; } + +void ff_matrix_mul_3x3_vec(double dst[3], const double vec[3], const double mat[3][3]) +{ + int m; + + for (m = 0; m < 3; m++) + dst[m] = vec[0] * mat[m][0] + + vec[1] * mat[m][1] + + vec[2] * mat[m][2]; +} + /* * see e.g. http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html */ |