Function rsmpeg::ffi::avfilter_process_command

pub unsafe extern "C" fn avfilter_process_command(
    filter: *mut AVFilterContext, 
    cmd: *const i8, 
    arg: *const i8, 
    res: *mut i8, 
    res_len: i32, 
    flags: i32
) -> i32

Make the filter instance process a command. It is recommended to use avfilter_graph_send_command().