diff -r 2a9601315dfc -r 98ccebc37403 javauis/mmapi_qt/baseline/src/outputstreamwriter.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/baseline/src/outputstreamwriter.cpp	Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,92 @@
+/*
+* Copyright (c) 2002-2007 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:  This class has JNI wrappers for CMMAOutputStream
+*
+*/
+
+
+//#include "jutils.h"
+//#include "mmapiutils.h"
+#include "com_nokia_microedition_media_protocol_OutputStreamWriter.h"
+#include "cmmaoutputstream.h"
+#include "mmafunctionserver.h"
+
+// If eventsource is already disposed, then do nothing
+#define CHECK_HANDLE(x, j) { if ( !( x ) || ( ( x )->Players().Count() == 0 ) ) { return ( j ); } }
+
+LOCAL_C void ReadDataL(MMAFunctionServer* aEventSource,
+                       TInt aPlayer,
+                       CMMAOutputStream* aOutputStream,
+                       TUint8* aOutputBuffer,
+                       TInt* aOutputBufferSize,
+                       TInt* aReadStatus)
+{
+    if (!aEventSource->FindPlayer(aPlayer))
+    {
+        // Native object was already deleted
+        User::Leave(KErrBadHandle);
+    }
+
+    aOutputStream->ReadDataL(aOutputBuffer, aOutputBufferSize, aReadStatus);
+}
+
+JNIEXPORT jint JNICALL Java_com_nokia_microedition_media_protocol_OutputStreamWriter__1readData
+(JNIEnv* aJni, jclass, jint aOutputStream, jint aEventSource,
+ jbyteArray aOutputBuffer, jintArray aOutputBufferSize, jint aLength, jint aPlayerHandle)
+{
+    MMAFunctionServer* eventSource = reinterpret_cast< MMAFunctionServer* >(aEventSource);
+    CHECK_HANDLE(eventSource, KErrNone);
+
+    CMMAOutputStream* outputStream = reinterpret_cast< CMMAOutputStream* >(aOutputStream);
+
+    TInt readStatus;
+    jbyte* outputBuffer = aJni->GetByteArrayElements(aOutputBuffer, NULL);
+
+    // NULL is returned if there is not enough memory
+    if (!outputBuffer)
+    {
+        return KErrNoMemory;
+    }
+
+    jint* outputBufferSize = aJni->GetIntArrayElements(aOutputBufferSize, NULL);
+    if (!outputBufferSize)
+    {
+        // outputBuffer was already allocated
+        aJni->ReleaseByteArrayElements(aOutputBuffer, outputBuffer, JNI_ABORT);
+        return KErrNoMemory;
+    }
+
+    *outputBufferSize = aLength; // size of the buffer
+
+    TInt err = eventSource->ExecuteTrap(ReadDataL,
+                                        eventSource,
+                                        aPlayerHandle,
+                                        outputStream,
+                                        (TUint8*) outputBuffer,
+                                        outputBufferSize, // returns readed size
+                                        &readStatus);
+
+    aJni->ReleaseByteArrayElements(aOutputBuffer, outputBuffer, JNI_COMMIT);
+    aJni->ReleaseIntArrayElements(aOutputBufferSize, outputBufferSize, JNI_COMMIT);
+
+    if (err != KErrNone)
+    {
+        return err;
+    }
+
+    // Tells if there's more data available or not
+    return readStatus;
+}
+
+//  END OF FILE