1 /*

     2 * Copyright (c) 2002-2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  This class has JNI wrappers for CMMASourceStream

    15 *

    16 */

    17 

    18 

    19 #include "jutils.h"

    20 #include "com_nokia_microedition_media_protocol_SourceStreamReader.h"

    21 #include "cmmasourcestream.h"

    22 #include "cmmaeventsource.h"

    23 

    24 // If eventsource is already disposed, then do nothing

    25 #define CHECK_HANDLE(x, j) { if ( !( x ) || ( ( x )->Players().Count() == 0 ) ) { return ( j ); } }

    26 LOCAL_C void WriteDataL(TInt aSourceStream,

    27                         TInt aPlayer,

    28                         CMMAEventSource* aEventSource,

    29                         const TUint8* aData,

    30                         TInt aLength,

    31                         TInt aState)

    32 {

    33     if (!aEventSource->FindPlayer(aPlayer))

    34     {

    35         // Native object was already deleted

    36         User::Leave(KErrBadHandle);

    37     }

    38     CMMASourceStream* sourceStream =

    39         JavaUnhand< CMMASourceStream >(aSourceStream);

    40 

    41     sourceStream->WriteL(aData, aLength, aState);

    42 }

    43 

    44 JNIEXPORT jint JNICALL Java_com_nokia_microedition_media_protocol_SourceStreamReader__1write

    45 (JNIEnv* aJni, jclass, jint aSourceStream, jint aEventSource,

    46  jbyteArray aData, jint aLength, jint aState, jint aPlayerHandle)

    47 {

    48     CMMAEventSource* eventSource =

    49         JavaUnhand< CMMAEventSource >(aEventSource);

    50 

    51     CHECK_HANDLE(eventSource, KErrNone);

    52 

    53     jbyte* data = aJni->GetByteArrayElements(aData, NULL);

    54 

    55     TInt err = eventSource->ExecuteTrap(&WriteDataL,

    56                                         aSourceStream,

    57                                         aPlayerHandle,

    58                                         eventSource,

    59                                         (const TUint8*)data,

    60                                         aLength,

    61                                         aState);

    62 

    63     aJni->ReleaseByteArrayElements(aData, data, JNI_ABORT);

    64     return err;

    65 }

    66 

    67 // END OF FILE