mmappfw_plat/qt_telephony_multimedia_service_api/inc/qtmsbuffer.h
branchRCL_3
changeset 24 6c1dfe4da5dd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappfw_plat/qt_telephony_multimedia_service_api/inc/qtmsbuffer.h	Tue Aug 31 15:41:40 2010 +0300
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description: QT Bindings for TMS
+ *
+ */
+
+#ifndef QTMS_BUFFER_H
+#define QTMS_BUFFER_H
+
+#include <qtms.h>
+
+namespace QTMS
+{
+
+/**
+ * QTMSBuffer class
+ *
+ * This interface provides data buffers to QTMS clients. This class allows
+ * clients to allocate data by themselves or request a specific size of the
+ * buffer from the factory.
+ *
+ * @lib QTMSapi.lib
+ *
+ */
+class QTMSBuffer
+{
+public:
+    /*
+     * Destructor
+     */
+    virtual ~QTMSBuffer()
+    {
+    }
+
+    /**
+     * Return buffer type.
+     *
+     * @param  buftype
+     *      Type of the buffer object (QTMS_BUFFER_MEMORY).
+     *
+     * @return
+     *      QTMS_RESULT_SUCCESS if the operation was successful otherwise
+     *      system error.
+     *
+     */
+    virtual gint GetType(QTMSBufferType& buftype) = 0;
+
+    /**
+     * Returns time stamp of the buffer so that the framework can determine
+     * the time at which this buffer has to be rendered by the output device
+     * sink.
+     *
+     * @param  ts
+     *      Time stamp in microseconds.
+     *
+     * @return
+     *      QTMS_RESULT_SUCCESS if the operation was successful otherwise
+     *      system error.
+     *
+     */
+    virtual gint GetTimeStamp(guint64& ts) = 0;
+
+    /**
+     * Sets the time stamp on the Buffer so that the framework can determine
+     * the time at which this buffer has to be rendered by the output device
+     * sink.
+     *
+     * @param  ts
+     *      Time stamp in microseconds.
+     *
+     * @return
+     *      QTMS_RESULT_SUCCESS if the operation was successful otherwise
+     *      system error.
+     *
+     */
+    virtual gint SetTimeStamp(const guint64 ts) = 0;
+
+    /**
+     * Returns size of data in the buffer.
+     *
+     * @param  size
+     *      Size of data in the buffer.
+     *
+     * @return
+     *      QTMS_RESULT_SUCCESS if the operation was successful otherwise
+     *      system error.
+     *
+     */
+    virtual gint GetDataSize(guint& size) = 0;
+
+    /**
+     * Set size of data in the buffer after filling in by the client.
+     *
+     * @param  size
+     *      Size of data in the buffer.
+     *
+     * @return
+     *      QTMS_RESULT_SUCCESS if the operation was successful otherwise
+     *      system error.
+     *
+     */
+    virtual gint SetDataSize(const guint size) = 0;
+
+    /**
+     * Return pointer to the memory location of the data associated with this
+     * buffer.
+     *
+     * @param  bufptr
+     *      Pointer to the data stored in the buffer.
+     *
+     * @return
+     *      QTMS_RESULT_SUCCESS if the operation was successful otherwise
+     *      system error.
+     *
+     */
+    virtual gint GetDataPtr(guint8*& bufptr) = 0;
+};
+
+} //namespace QTMS
+
+#endif //QTMS_BUFFER_H