On Sun, Dec 22, 2019 at 16:37:03 +0800, xujunzz at sjtu.edu.cn wrote: > + if (s->mode[i] == MATRIX_COLUMN) { > + if (EXTERNAL_SSE4(cpu_flags)) > + s->filter[i] = ff_filter_column_sse4; > + } Incorrect indentation. Moritz