1 files changed, 167 insertions, 0 deletions
diff --git a/src/plugins/symbian/mmf/mediaplayer/s60mediarecognizer.cpp b/src/plugins/symbian/mmf/mediaplayer/s60mediarecognizer.cpp
new file mode 100644
index 000000000..48b565c34
--- /dev/null
+++ b/src/plugins/symbian/mmf/mediaplayer/s60mediarecognizer.cpp
@@ -0,0 +1,167 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "DebugMacros.h"
+
+#include "s60mediarecognizer.h"
+#include <e32def.h>
+#include <e32cmn.h>
+#include <QtCore/qurl.h>
+#include <QtCore/qdir.h>
+#include <QtCore/qdebug.h>
+
+#include <apgcli.h>
+
+static const TInt KMimeTypePrefixLength = 6; // "audio/" or "video/"
+
+_LIT(KMimeTypePrefixAudio, "audio/");
+_LIT(KMimeTypePrefixVideo, "video/");
+_LIT(KMimeTypeRingingTone, "application/vnd.nokia.ringing-tone");
+
+/*!
+    Construct a media Recognizer with the given \a parent.
+*/
+
+S60MediaRecognizer::S60MediaRecognizer(QObject *parent) : QObject(parent)
+{
+    DP0("S60MediaRecognizer::S60MediaRecognizer +++");
+    DP0("S60MediaRecognizer::S60MediaRecognizer ---");
+}
+
+/*!
+    Destroys a media Recognizer.
+*/
+
+S60MediaRecognizer::~S60MediaRecognizer()
+{
+    DP0("S60MediaRecognizer::~S60MediaRecognizer +++");
+
+    m_file.Close();
+    m_fileServer.Close();
+    m_recognizer.Close();
+
+    DP0("S60MediaRecognizer::~S60MediaRecognizer ---");
+}
+
+/*!
+ * \return media type of \a url.
+ * \a url may be a streaming link or a local file.
+ * If \a url is local file then identifies the media type and returns it.
+*/
+
+S60MediaRecognizer::MediaType S60MediaRecognizer::mediaType(const QUrl &url)
+{
+    DP0("S60MediaRecognizer::mediaType");
+
+    bool isStream = (url.scheme() == "file")?false:true;
+
+    if (isStream)
+        return Url;
+    else
+        return identifyMediaType(QDir::cleanPath(url.toLocalFile()));
+}
+
+/*!
+ * \return Media type of \a file name by recognizing its mimetype whether its audio or video.
+*/
+
+S60MediaRecognizer::MediaType S60MediaRecognizer::identifyMediaType(const QString& fileName)
+{
+    DP0("S60MediaRecognizer::identifyMediaType +++");
+
+    DP1("S60MediaRecognizer::identifyMediaType - ", fileName);
+
+    S60MediaRecognizer::MediaType result = Video; // default to videoplayer
+    bool recognizerOpened = false;
+
+    TInt err = m_recognizer.Connect();
+    if (err == KErrNone) {
+        recognizerOpened = true;
+    }
+
+    err = m_fileServer.Connect();
+    if (err == KErrNone) {
+        recognizerOpened = true;
+    }
+
+    // This is needed for sharing file handles for the recognizer
+    err = m_fileServer.ShareProtected();
+    if (err == KErrNone) {
+        recognizerOpened = true;
+    }
+
+    if (recognizerOpened) {
+        m_file.Close();
+        err = m_file.Open(m_fileServer, QString2TPtrC(QDir::toNativeSeparators(fileName)), EFileRead |
+            EFileShareReadersOnly);
+
+        if (err == KErrNone) {
+            TDataRecognitionResult recognizerResult;
+            err = m_recognizer.RecognizeData(m_file, recognizerResult);
+            if (err == KErrNone) {
+                const TPtrC mimeType = recognizerResult.iDataType.Des();
+
+                if (mimeType.Left(KMimeTypePrefixLength).Compare(KMimeTypePrefixAudio) == 0 ||
+                        mimeType.Compare(KMimeTypeRingingTone) == 0) {
+                    result = Audio;
+                } else if (mimeType.Left(KMimeTypePrefixLength).Compare(KMimeTypePrefixVideo) == 0) {
+                    result = Video;
+                }
+            }
+        }
+    }
+
+    DP0("S60MediaRecognizer::identifyMediaType ---");
+
+    return result;
+}
+
+/*!
+ * \return Symbian modifiable pointer descriptor from a QString \a string.
+ */
+
+TPtrC S60MediaRecognizer::QString2TPtrC( const QString& string )
+{
+    DP1("S60MediaRecognizer::QString2TPtrC - ", string);
+
+    // Returned TPtrC is valid as long as the given parameter is valid and unmodified
+    return TPtrC16(static_cast<const TUint16*>(string.utf16()), string.length());
+}