Function rsmpeg::ffi::av_probe_input_buffer

pub unsafe extern "C" fn av_probe_input_buffer(
    pb: *mut AVIOContext, 
    fmt: *mut *mut AVInputFormat, 
    url: *const i8, 
    logctx: *mut c_void, 
    offset: u32, 
    max_probe_size: u32
) -> i32

Like av_probe_input_buffer2() but returns 0 on success