CHECK_FLAG        428 libavcodec/ccaption_dec.c         if (CHECK_FLAG(screen->row_used, i_row + 1))
CHECK_FLAG        444 libavcodec/ccaption_dec.c         if (CHECK_FLAG(screen->row_used, i)) {
CHECK_FLAG        457 libavcodec/ccaption_dec.c         if (CHECK_FLAG(screen->row_used, i)) {