/*

 * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

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

 * which accompanies this distribution, and is available

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

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:  Declares constants, structures and enumerated list of

 *                commands shared between VoIP client and the server.

 *

 */

// INCLUDES

#include <e32std.h>

#include <sounddevice.h>

#include <audio.h>

#include <voipjitterbufferintfc.h>

#include <voipaudiocommon.h>

#include <voipformatintfc.h>

#if defined(__SERIES60_31__)

// s60 3.1 mapping of FourCC values for supported codecs

const TUint32 KMccFourCCIdAMRNB = 0x524d4120; // (' ', 'A', 'M', 'R')

const TUint32 KMccFourCCIdG711 = 0x31313747;  // ('G', '7', '1', '1')

const TUint32 KMccFourCCIdG729 = 0x39323747;  // ('G', '7', '2', '9')

const TUint32 KMccFourCCIdILBC = 0x43424c49;  // ('i', 'L', 'B', 'C')

#else

#include <mmcccodecinformation.h>

#endif

#include "VoIPAudioClientServer.h"

// CONSTANTS

const TUint KQueueCreateWaitTime = 10; //10ms

const TUint KVoIPG711FrameLen10ms = 82; //  80 + 2 for header

const TUint KVoIPG711FrameLen20ms = 162; // 160 + 2 for header

const TInt KVoIPAMRNBFrameLen = 32;

const TInt KVoIPILBCFrameLen = 52; //  40 in 20ms; 52 in 30ms

const TInt KVoIPG729FrameLen = 24; //  10 octets + 2 for header

const TUint KVoIPPCM16FrameLen = 4096;

// ENUMERATIONS

// ITC communication commands between the threads

enum TUserCommand

    {

    ECmdStartDownlink = 0,

    ECmdStartUplink,

    ECmdInitDownlink,

    ECmdInitUplink,

    ECmdStopDownlink,

    ECmdStopUplink,

    ECmdBufferFilled,

    ECmdBufferEmptied,

    ECmdGetVolume,

    ECmdSetVolume,

    ECmdGetGain,

    ECmdSetGain,

    ECmdSetAudioDevice,

    ECmdGetAudioDevice,

    ECmdTerminateThread,

    ECmdDnLinkError,

    ECmdUpLinkError,

    ECmdDnLinkJBError,

    ECmdSetG711CodecMode,

    ECmdGetG711CodecMode,

    ECmdSetIlbcCodecMode,

    ECmdGetIlbcCodecMode,

    ECmdGetSupportedBitrates,

    ECmdSetBitrate,

    ECmdGetBitrate,

    ECmdSetFrameMode,

    ECmdGetFrameMode,

    ECmdFrameModeRqrdForEC,

    ECmdConcealErrForNextBuf,

    ECmdSetVad,

    ECmdGetVad,

    ECmdSetCng,

    ECmdGetCng,

    ECmdSetPlc,

    ECmdGetPlc,

    ECmdBadLsfNextBuffer,

    ECmdVoIPConfigJB,

    ECmdVoIPResetJB,

    ECmdVoIPJBDelayDown,

    ECmdVoIPJBDelayUp,

    // Event returned from the work thread upon async request complete

    ECmdGetVolumeComplete,

    ECmdGetGainComplete,

    ECmdGetAudioDeviceComplete,

    ECmdGetG711CodecModeComplete,

    ECmdGetIlbcCodecModeComplete,

    ECmdGetFrameModeComplete,

    ECmdGetFrameModeReqForECComplete,

    ECmdGetVadComplete,

    ECmdGetCngComplete,

    ECmdGetPlcComplete,

    ECmdGetSupportedBitratesComplete,

    ECmdGetBitrateComplete,

    // Server side events sent to the client

    ECmdDownlinkInitComplete,

    ECmdUplinkInitComplete,

    ECmdFillBuffer,

    ECmdEmptyBuffer,

    ECmdDTMFOpenDnlinkComplete,

    ECmdDTMFOpenUplinkComplete,

    ECmdDTMFTonePlayFinished,

    ECmdRingToneOpenComplete,

    ECmdRingTonePlayComplete,

    ECmdDownlinkThreadClosed,

    ECmdUplinkThreadClosed

    };

// -----------------------------------------------------------------------------

//  Class Name:  TVoIPCodecSettings

//

//  Structure used for setting codec configuration.

// -----------------------------------------------------------------------------

class TVoIPCodecSettings

    {

public:

    enum TG711FrameRate

        {

        E10MS,

        E20MS

        };

public:

    CVoIPFormatIntfc::TG711CodecMode iG711CodecMode;

    CVoIPFormatIntfc::TILBCCodecMode iILBCCodecMode;

    TUint32 iFourCC;

    TG711FrameRate iG711FrameRate;

    TBool iVad;

    TBool iCng;

    TBool iPlc;

    TBool iFrameMode;

    TBool iFrameModeReqForEC;

    TUint iBitrate;

    };

// -----------------------------------------------------------------------------

//  Class Name:  TSharedData

//

//  Structure used for ITC communication and data transfer.

// -----------------------------------------------------------------------------

class TSharedData

    {

public:

    // Main thread's ID

    TThreadId iMainThreadID;

    // For thread end signalling

    RMutex iMutex;

    // Request status pointer for signalling thread via A/O

    TRequestStatus* iThreadStatus;

    TRequestStatus* iMnThreadStatus;

    // Audio configuration settings

    TInt iPriority;

    TInt iPreference;

    TUint iAudioDevice;

    TInt iMaxVolume;

    TInt iMaxGain;

    // Codec configuration settings

    TVoIPCodecSettings iCodecSettings;

    // Jitter Buffer configuration

    TVoIPJBConfig iJBConfig;

    // Command parameter for signalling between the threads via A/O

    TUserCommand iCmd;

    // Size of the data buffer and frame sequence number

    TInt iBufferSize;

    TUint iSequenceNum;

    // Any data sent between both threads

    TInt iInt;

    TUint iUint;

    TBool iBool;

    };

// End of file