Polish the QtWidgets/Player example.

Point the file dialog to the Movies folder.
Add command proper command line handling.
Change the logic to use QUrl everywhere.

Change-Id: I1e54e600187153f52a55e3a381a24e4f2eeda3ab
Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com>

examples/multimediawidgets/player/main.cpp

@@ -41,13 +41,33 @@
 #include "player.h"
 
 #include <QApplication>
+#include <QCommandLineParser>
+#include <QCommandLineOption>
+#include <QDir>
 
 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
 
+    QCoreApplication::setApplicationName("Player Example");
+    QCoreApplication::setOrganizationName("QtProject");
+    QCoreApplication::setApplicationVersion(QT_VERSION_STR);
+    QCommandLineParser parser;
+    parser.setApplicationDescription("Qt MultiMedia Player Example");
+    parser.addHelpOption();
+    parser.addVersionOption();
+    parser.addPositionalArgument("url", "The URL to open.");
+    parser.process(app);
+
     Player player;
 
+    if (!parser.positionalArguments().isEmpty() && player.isPlayerAvailable()) {
+        QList<QUrl> urls;
+        foreach (const QString &a, parser.positionalArguments())
+            urls.append(QUrl::fromUserInput(a, QDir::currentPath(), QUrl::AssumeLocalFile));
+        player.addToPlaylist(urls);
+    }
+
 #if defined(Q_WS_SIMULATOR)
     player.setAttribute(Qt::WA_LockLandscapeOrientation);
     player.showMaximized();