Android add support for qrc in mediaplayer.

[ChangeLog][QtMultimedia][Android] Enable mediaplayer to read files
from the Qt Resource system.

Task-number: QTBUG-31422

Change-Id: Iaaefb35566b623b78b9f8aa22daf6ac92fb35e67
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>

src/plugins/android/src/mediaplayer/qandroidmediaplayercontrol.cpp

@@ -218,10 +218,19 @@ void QAndroidMediaPlayerControl::setMedia(const QMediaContent &mediaContent,
         return;
     }
 
-    const QString uri = mediaContent.canonicalUrl().toString();
+    const QUrl url = mediaContent.canonicalUrl();
+    QString mediaPath;
+    if (url.scheme() == QLatin1String("qrc")) {
+        const QString path = url.toString().mid(3);
+        mTempFile.reset(QTemporaryFile::createNativeFile(path));
+        if (!mTempFile.isNull())
+            mediaPath = QLatin1String("file://") + mTempFile->fileName();
+    } else {
+        mediaPath = url.toString();
+    }
 
-    if (!uri.isEmpty())
+    if (!mediaPath.isEmpty())
-        mMediaPlayer->setDataSource(uri);
+        mMediaPlayer->setDataSource(mediaPath);
     else
         setMediaStatus(QMediaPlayer::NoMedia);
 

src/plugins/android/src/mediaplayer/qandroidmediaplayercontrol.h

@@ -45,6 +45,7 @@
 #include <qglobal.h>
 #include <QMediaPlayerControl>
 #include <qsize.h>
+#include <QtCore/QTemporaryFile>
 
 QT_BEGIN_NAMESPACE
 
@@ -114,6 +115,7 @@ private:
     QMediaPlayer::State mPendingState;
     qint64 mPendingPosition;
     bool mPendingSetMedia;
+    QScopedPointer<QTemporaryFile> mTempFile;
 
     void setState(QMediaPlayer::State state);
     void setMediaStatus(QMediaPlayer::MediaStatus status);