javauis/mmapi_qt/baseline/src/sourcestreamreader.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 11 May 2010 16:07:20 +0300
branchRCL_3
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permissions -rw-r--r--
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/*
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* Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  This class has JNI wrappers for CMMASourceStream
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*
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*/
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//#include "jutils.h"
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//#include "mmapiutils.h"
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#include "com_nokia_microedition_media_protocol_SourceStreamReader.h"
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#include "cmmasourcestream.h"
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#include "mmafunctionserver.h"
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// If eventsource is already disposed, then do nothing
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#define CHECK_HANDLE(x, j) { if ( !( x ) || ( ( x )->Players().Count() == 0 ) ) { return ( j ); } }
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LOCAL_C void WriteDataL(TInt aSourceStream,
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                        TInt aPlayer,
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                        MMAFunctionServer* aEventSource,
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                        const TUint8* aData,
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                        TInt aLength,
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                        TInt aState)
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{
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    if (!aEventSource->FindPlayer(aPlayer))
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    {
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        // Native object was already deleted
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        User::Leave(KErrBadHandle);
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    }
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    CMMASourceStream* sourceStream =
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    	reinterpret_cast< CMMASourceStream *>(aSourceStream);
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    sourceStream->WriteL(aData, aLength, aState);
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    LOG( EJavaMMAPI, EInfo, "jni SourceStreamReader.cpp: WriteDataL() -");
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}
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JNIEXPORT jint JNICALL Java_com_nokia_microedition_media_protocol_SourceStreamReader__1write
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(JNIEnv* aJni, jclass, jint aSourceStream, jint aEventSource,
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 jbyteArray aData, jint aLength, jint aState, jint aPlayerHandle)
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{
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	 LOG( EJavaMMAPI, EInfo, "SourceStreamReaderjni_write");
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    MMAFunctionServer* eventSource =
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		reinterpret_cast< MMAFunctionServer* >(aEventSource);
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    CHECK_HANDLE(eventSource, KErrNone);
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    jbyte* data = aJni->GetByteArrayElements(aData, NULL);
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	LOG2( EJavaMMAPI, EInfo, "SourceStreamReaderjni_write , length = %d,state = %d",(TInt)aLength,(TInt)aState);
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    TInt err = eventSource->ExecuteTrap(&WriteDataL,
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                                        aSourceStream,
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                                        aPlayerHandle,
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                                        eventSource,
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                                        (const TUint8*)data,
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                                        aLength,
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                                        aState);
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    ELOG1( EJavaMMAPI, "SourceStreamReaderjni_write , err = %d",err);
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    aJni->ReleaseByteArrayElements(aData, data, JNI_ABORT);
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    return err;
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}
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// END OF FILE