2019-01-27 13:55 GMT+01:00, Paul B Mahol <git at videolan.org>: > + frame->data[0][frame->linesize[0] * (h - j) + 3 * k + > 0] = color[0]; > + frame->data[0][frame->linesize[0] * (h - j) + 3 * k + > 1] = color[1]; > + frame->data[0][frame->linesize[0] * (h - j) + 3 * k + > 2] = color[2]; Isn't this AV_Wx24()? Carl Eugen