1 /*

     2 * Copyright (c) 2005 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:    

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef CMCECOMG729CODEC_H

    22 #define CMCECOMG729CODEC_H

    23 

    24 //  INCLUDES

    25 #include "mcecomaudiocodec.h"

    26 #include "mcedefs.h"

    27 

    28 

    29 

    30 // CLASS DECLARATION

    31 /**

    32 *  Container class for the codec information.

    33 *

    34 *  @lib 

    35 */

    36 class CMceComG729Codec : public CMceComAudioCodec

    37     {

    38 public:  // Constructors and destructor

    39 

    40     /**

    41     * Two-phased constructor.

    42     * @param aSdpName sdp name

    43     */

    44     static CMceComG729Codec* NewL( TBuf8<KMceMaxSdpNameLength> aSdpName );

    45     

    46     /**

    47     * Two-phased constructor.

    48     * @param aSdpName sdp name

    49     */

    50     static CMceComG729Codec* NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName );

    51     

    52     /**

    53     * Destructor.

    54     */

    55     ~CMceComG729Codec();

    56 

    57 

    58 public: // from CMceComCodec

    59 

    60     /**

    61     * Sets bitrate used with codec for encoding.

    62     * @param aBitrate bitrate value for encoding

    63     * @return KErrNotSupported if codec doesn't support bitrate

    64     *         value issued

    65     */

    66     TInt SetBitrate( TUint aBitrate );

    67     

    68     

    69     /**

    70     * Sets bitrates allowed with codec.

    71     * @param aBitrates allowed bitrate values

    72     * @return KErrNotSupported if codec doesn't support bitrate

    73     *         values issued

    74     */

    75     TInt SetAllowedBitrates( TUint aBitrates );

    76     

    77     

    78     /**

    79     * Sets the codec specific mode.

    80     * @param aCodecMode mode of the codec

    81     * @return KErrNotSupported if codec doesnt' support codec mode

    82     *         value issued

    83     */

    84     TInt SetCodecMode( TUint aCodecMode );

    85     

    86    /**

    87     * Returns max bit rate

    88     * @return max bit rate

    89     */

    90     TUint GetMaxBitRate();

    91    

    92 public: // from CMceAudioCodec

    93     

    94     /**

    95     * Sets the packetization rate. 

    96     * @param aPTime, Packetization rate, must be multiple of audio frame size.

    97     * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone.

    98     */

    99     TInt SetPTime( TUint aPTime );

   100     

   101     /**

   102     * Sets the maximum packetization rate.

   103     * @param aMaxPTime, maximum allowed packetization rate, must be multiple of audio frame size.

   104     * @return KErrNotSupported if codec doesn't support packetrate value issued; otherwise KErrNone.

   105     */

   106     TInt SetMaxPTime( TUint aMaxPTime );

   107 

   108 public: // serialization etc

   109 

   110     /**

   111     * Clones

   112     */

   113     CMceComAudioCodec* CloneL();

   114     

   115 

   116 private:

   117 

   118     /**

   119     * C++ default constructor.

   120     */

   121     CMceComG729Codec();

   122 

   123     /**

   124     * By default Symbian 2nd phase constructor is private.

   125     */

   126     void ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName);

   127 

   128     /**

   129      * second-phase copy constructor

   130      */

   131     void ConstructL( CMceComG729Codec& aCodec );

   132     

   133             

   134     };

   135 

   136 

   137 #endif      // __MCP_G729_CODEC_H__

   138 

   139 

   140 // End of File