m_jobProcess->start(KdenliveSettings::ffmpegpath(), parameters);
m_jobProcess->waitForStarted();
while (m_jobProcess->state() != QProcess::NotRunning) {
m_jobProcess->start(KdenliveSettings::ffmpegpath(), parameters);
m_jobProcess->waitForStarted();
while (m_jobProcess->state() != QProcess::NotRunning) {