FILTER_BW_O4_1 234 libavcodec/iirfilter.c FILTER_BW_O4_1(0, 1, 2, 3, fmt); \ FILTER_BW_O4_1 235 libavcodec/iirfilter.c FILTER_BW_O4_1(1, 2, 3, 0, fmt); \ FILTER_BW_O4_1 236 libavcodec/iirfilter.c FILTER_BW_O4_1(2, 3, 0, 1, fmt); \ FILTER_BW_O4_1 237 libavcodec/iirfilter.c FILTER_BW_O4_1(3, 0, 1, 2, fmt); \