1 /*

     2 * Copyright (c) 2010 Ixonos Plc.

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the "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 * Ixonos Plc

    14 *

    15 * Description:  

    16 * Audio processor class.

    17 *

    18 */

    19 

    20 

    21 #ifndef __AUDIOPROCESSOR_H__

    22 #define __AUDIOPROCESSOR_H__

    23 

    24 #ifndef __E32BASE_H__

    25 #include <e32base.h>

    26 #endif

    27 

    28 class CMovieProcessorImpl;

    29 class CAudSong;

    30 

    31 /**

    32  * Audio processor.

    33  */

    34 class CAudioProcessor : public CActive

    35 	{

    36 public:  // Constructors and destructor

    37 

    38     /**

    39     * Two-phased constructor

    40     */

    41 

    42     static CAudioProcessor* NewL(CMovieProcessorImpl *aMovieProcessor, CAudSong* aSong);

    43     static CAudioProcessor* NewLC(CMovieProcessorImpl *aMovieProcessor, CAudSong* aSong);       

    44 

    45     /**

    46     * Destructor.

    47     */

    48 

    49     virtual ~CAudioProcessor();

    50 	

    51 public:  // Functions from base classes

    52 

    53     /**

    54     * From CActive Active object cancelling method

    55     */

    56     void DoCancel();

    57 

    58     /**

    59     * From CActive Active object running method

    60     */

    61     void RunL();

    62 

    63     /**

    64     * From CActive Active object error method

    65     */

    66     TInt RunError(TInt aError);

    67 

    68 public:  // New functions

    69 

    70     /**

    71     * Starts audio processing    

    72     */      

    73     void StartL();

    74 

    75     /**

    76     * Stops audio processing    

    77     */          

    78     void StopL();    

    79     

    80 private:

    81 

    82     /**

    83     * Constructor

    84     */

    85     CAudioProcessor(CMovieProcessorImpl *aMovieProcessor, CAudSong* aSong);

    86 

    87     /**

    88     * By default EPOC constructor is private.

    89     */

    90     void ConstructL();

    91     

    92     /**

    93     * Process a number of audio frames

    94     */

    95     void ProcessFramesL();

    96     

    97 private:  // Data

    98 

    99     // movie processor instance

   100     CMovieProcessorImpl* iMovieProcessor; 

   101 

   102     // song

   103     CAudSong* iSong;

   104         

   105     TBool iProcessing;

   106 

   107     };

   108     

   109 

   110 #endif

   111 

   112 // End of file