Function ffmpeg_sys_next::av_find_best_stream

pub unsafe extern "C" fn av_find_best_stream(
    ic: *mut AVFormatContext, 
    type_: AVMediaType, 
    wanted_stream_nb: c_int, 
    related_stream: c_int, 
    decoder_ret: *mut *mut AVCodec, 
    flags: c_int
) -> c_int