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 CMCECOMG711CODEC_H

    22 #define CMCECOMG711CODEC_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 CMceComG711Codec : public CMceComAudioCodec

    37     {

    38 public:  // Constructors and destructor

    39 

    40     /**

    41     * Two-phased constructor.

    42     * @param aSdpName sdp name

    43     */

    44     static CMceComG711Codec* NewL( TBuf8<KMceMaxSdpNameLength> aSdpName );

    45     

    46     /**

    47     * Two-phased constructor.

    48     * @param aSdpName sdp name

    49     */

    50     static CMceComG711Codec* NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName );

    51     

    52     /**

    53     * Destructor.

    54     */

    55     ~CMceComG711Codec();

    56 

    57 public: // from CMceComCodec

    58 

    59     /**

    60     * Sets bitrate used with codec for encoding.

    61     * @param aBitrate bitrate value for encoding

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

    63     *         value issued

    64     */

    65     TInt SetBitrate( TUint aBitrate );

    66     

    67     /**

    68     * Set Allowed Bitrate

    69     * @return 

    70     */

    71     TInt SetAllowedBitrates( TUint aBitrates );

    72     

    73     /**

    74     * Sets the codec specific mode.

    75     * @param aCodecMode mode of the codec

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

    77     *         value issued

    78     */

    79     TInt SetCodecMode( TUint aCodecMode );

    80     

    81    /**

    82     * Returns max bit rate

    83     * @return max bit rate

    84     */

    85     TUint GetMaxBitRate();

    86     

    87 public: // from CMceAudioCodec

    88     

    89     /**

    90     * Sets the packetization rate. 

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

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

    93     */

    94     TInt SetPTime( TUint aPTime );

    95     

    96     /**

    97     * Sets the maximum packetization rate.

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

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

   100     */

   101     TInt SetMaxPTime( TUint aMaxPTime );

   102 

   103     

   104 public: // serialization etc

   105 

   106     /**

   107     * Clones

   108     */

   109     CMceComAudioCodec* CloneL();

   110     

   111 

   112 private:

   113 

   114     /**

   115     * C++ default constructor.

   116     */

   117     CMceComG711Codec();

   118 

   119     /**

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

   121     */

   122     void ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName);

   123 

   124     /**

   125      * second-phase copy constructor

   126      */

   127     void ConstructL( CMceComG711Codec& aCodec );

   128     

   129             

   130     };

   131 

   132 

   133 #endif      // __MCP_G711_CODEC_H__

   134 

   135 // End of File