qlonglong TorrentSpeedMonitor::getETA(const QString &hash) const { QMutexLocker locker(&m_mutex); QTorrentHandle h = m_session->getTorrentHandle(hash); if (h.is_paused() || !m_samples.contains(hash)) return -1; const qreal speed_average = m_samples.value(hash).average(); if (speed_average == 0) return -1; return (h.total_wanted() - h.total_done()) / speed_average; }