qtms/src/qtmsmembuffer.cpp
changeset 27 cbb1bfb7ebfb
child 32 edd273b3192a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtms/src/qtmsmembuffer.cpp	Fri May 14 16:21:14 2010 +0300
@@ -0,0 +1,159 @@
+/*
+ * 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
+ *
+ */
+
+#include <qtms.h>
+#include <qtmsbuffer.h>
+#include "qtmsmembuffer.h"
+#include "tmsutility.h"
+
+using namespace QTMS;
+using namespace TMS;
+
+QTMSMemBuffer::QTMSMemBuffer() :
+    iBufferSize(0),
+    iTimeStamp(0),
+    iDataPtr(NULL),
+    iOwnsBuffer(FALSE)
+    {
+    }
+
+QTMSMemBuffer::~QTMSMemBuffer()
+    {
+    if (iOwnsBuffer)
+        {
+        free(iDataPtr);
+        }
+    }
+
+gint QTMSMemBuffer::Create(guint size, QTMSBuffer*& tmsbuffer)
+    {
+    gint ret(TMS_RESULT_INSUFFICIENT_MEMORY);
+    TRACE_PRN_FN_ENT;
+    QTMSMemBuffer* self = new QTMSMemBuffer();
+    if (self)
+        {
+        ret = self->PostConstruct(size);
+        if (ret != TMS_RESULT_SUCCESS)
+            {
+            delete self;
+            self = NULL;
+            }
+        }
+    tmsbuffer = self;
+    TRACE_PRN_FN_EXT;
+    return ret;
+    }
+
+gint QTMSMemBuffer::PostConstruct(guint size)
+    {
+    gint ret(TMS_RESULT_SUCCESS);
+    TRACE_PRN_FN_ENT;
+    iDataPtr = (guint8*) malloc(size);
+    if (!iDataPtr)
+        {
+        ret = TMS_RESULT_INSUFFICIENT_MEMORY;
+        }
+    iOwnsBuffer = TRUE;
+    iBufferSize = size;
+    TRACE_PRN_FN_EXT;
+    return ret;
+    }
+
+gint QTMSMemBuffer::GetType(QTMSBufferType& buffertype)
+    {
+    gint ret(TMS_RESULT_SUCCESS);
+    buffertype = TMS_BUFFER_MEMORY;
+    return ret;
+    }
+
+// Implementation of TMSBuffer interface begins
+/**
+ Gets the timestamp 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
+ timestamp in microseconds
+
+ */
+gint QTMSMemBuffer::GetTimeStamp(guint64& ts)
+    {
+    gint ret(TMS_RESULT_SUCCESS);
+    ts = iTimeStamp;
+    return ret;
+    }
+
+/**
+ Sets the timestamp 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
+ timestamp in milliseconds
+
+ */
+gint QTMSMemBuffer::SetTimeStamp(const guint64 ts)
+    {
+    gint ret(TMS_RESULT_SUCCESS);
+    iTimeStamp = ts;
+    return ret;
+    }
+
+/**
+ Gets the size of data in the buffer specified by the client.
+
+ @param size
+ size of data in bytes
+
+ */
+gint QTMSMemBuffer::GetDataSize(guint& size)
+    {
+    gint ret(TMS_RESULT_SUCCESS);
+    size = iBufferSize;
+    return ret;
+    }
+
+/**
+ Sets the size of data in the buffer after the client
+ fill it.
+
+ @param size
+ size of data in bytes
+
+ */
+gint QTMSMemBuffer::SetDataSize(const guint size)
+    {
+    gint ret(TMS_RESULT_SUCCESS);
+    iBufferSize = size;
+    return ret;
+    }
+
+/**
+ Gets the pointer to the memory location associated with this
+ buffer where the data is stored.
+
+ @param bufptr
+ ptr to the data stored in the buffer.
+
+ */
+gint QTMSMemBuffer::GetDataPtr(guint8*& bufptr)
+    {
+    gint ret(TMS_RESULT_SUCCESS);
+    bufptr = iDataPtr;
+    return ret;
+    }
+