Fix speed job in some locales. Fixes #346

src/bin/projectclip.cpp

@@ -614,12 +614,11 @@ std::shared_ptr<Mlt::Producer> ProjectClip::getTimelineProducer(int trackId, int
         }
     }
     if (!warpProducer) {
-        QLocale locale;
         QString resource(originalProducer()->get("resource"));
         if (resource.isEmpty() || resource == QLatin1String("<producer>")) {
             resource = m_service;
         }
-        QString url = QString("timewarp:%1:%2").arg(locale.toString(speed)).arg(resource);
+        QString url = QString("timewarp:%1:%2").arg(QString::fromStdString(std::to_string(speed))).arg(resource);
         warpProducer.reset(new Mlt::Producer(*originalProducer()->profile(), url.toUtf8().constData()));
         qDebug() << "new producer: " << url;
         qDebug() << "warp LENGTH before" << warpProducer->get_length();

src/jobs/speedjob.cpp

@@ -68,9 +68,8 @@ void SpeedJob::configureConsumer()
 void SpeedJob::configureProducer()
 {
     if (!qFuzzyCompare(m_speed, 1.0)) {
-        QLocale locale;
         QString resource = m_producer->get("resource");
-        m_producer = std::make_unique<Mlt::Producer>(*m_profile.get(), "timewarp", QStringLiteral("%1:%2").arg(locale.toString(m_speed)).arg(resource).toUtf8().constData());
+        m_producer = std::make_unique<Mlt::Producer>(*m_profile.get(), "timewarp", QStringLiteral("%1:%2").arg(QString::fromStdString(std::to_string(m_speed))).arg(resource).toUtf8().constData());
     }
 }