Function pw_log_logtv

pub unsafe extern "C" fn pw_log_logtv(
    level: spa_log_level,
    topic: *const spa_log_topic,
    file: *const c_char,
    line: c_int,
    func: *const c_char,
    fmt: *const c_char,
    args: *mut __va_list_tag,
)

Log a message for a topic