/*

 * Copyright (c) 2009 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: Telephony Multimedia Service

 *

 */

#ifndef __IPCALLSTREAM_H

#define __IPCALLSTREAM_H

//#define __PLAY_WAV_FROM_FILE__

#include <e32msgqueue.h>

#include <mmfbase.h>

#include <tms.h>

#include "tmsgstreamer.h"

#include "tmsshared.h"

#include "tmsclientserver.h"

#ifdef __USE_GSTREAMER__

#include <gst.h>

#include "gstg711encoderinterface.h"

#include "gstspeechencoderconfig.h"

#include "gsterrorconcealmentinterface.h"

#include "gstg711decoderinterface.h"

#include "gstilbcdecoderinterface.h"

#include "gstilbcencoderinterface.h"

#include "gstg729encoderinterface.h"

#include "gstg729decoderinterface.h"

#else //__USE_GSTREAMER__

#include <sounddevice.h>

#include <voipdownlinkstream.h>

#include <voipuplinkstream.h>

// FORWARD DECLARATIONS

class CAudioOutput;

class CErrorConcealmentIntfc;

class CSpeechEncoderConfig;

class CG711DecoderIntfc;

class CG729DecoderIntfc;

class CIlbcDecoderIntfc;

class CG711EncoderIntfc;

class CG729EncoderIntfc;

class CIlbcEncoderIntfc;

#endif //__USE_GSTREAMER__

namespace TMS {

/**

 *  TMSIPDevSoundObserver

  * An observer interface providing TMSIPCallStreamBase event notifications.

 */

class TMSIPDevSoundObserver

    {

public:

    virtual void DownlinkInitCompleted(gint status) = 0;

    virtual void UplinkInitCompleted(gint status) = 0;

    virtual void UplinkStarted(gint status) = 0;

    virtual void DownlinkStarted(gint status) = 0;

    };

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

//  Class Name:  TMSIPCallStreamBase

//

//  Base abstract class for creating VoIP uplink and downlink streams.

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

class TMSIPCallStreamBase : public CBase

#ifndef __USE_GSTREAMER__

                          , public MDevSoundObserver

#endif //__USE_GSTREAMER__

    {

public:

    enum TStreamState

        {

        ENotReady, // not initialized

        EReady, // initialized and ready for streaming

        EStreaming

        // active streaming

        };

public:

    virtual ~TMSIPCallStreamBase();

    virtual void Stop() = 0;

    virtual gint SetCodecCi() = 0;

#ifndef __USE_GSTREAMER__

    void InitDevSoundL(const TMMFState aDevSoundState,

            const TMMFPrioritySettings priority);

#endif //__USE_GSTREAMER__

    void SetMsgQueue(const RMsgQueue<TmsMsgBuf> aMsgQueue);

    gint DoChunk(const gint aDataLen, TmsMsgBuf& aMsgBuffer);

    gint ConfigureMedia(const guint32 aCodecID);

protected:

    TMSIPCallStreamBase(TMSIPDevSoundObserver& observer);

#ifndef __USE_GSTREAMER__

    // From MDevSoundObserver

    virtual void InitializeComplete(TInt aError) = 0;

    virtual void BufferToBeEmptied(CMMFBuffer* /*aBuffer*/) {}

    virtual void RecordError(TInt /*aError*/) {}

    virtual void BufferToBeFilled(CMMFBuffer* /*aBuffer*/) {}

    virtual void PlayError(TInt /*aError*/) {}

    virtual void ToneFinished(TInt /*aError*/) {}

    virtual void ConvertError(TInt /*aError*/) {}

    virtual void DeviceMessage(TUid /*aMessageType*/, const TDesC8& /*aMsg*/) {}

    virtual void SendEventToClient(const TMMFEvent& /*aEvent*/) {}

#endif //__USE_GSTREAMER__

protected:

    TMSIPDevSoundObserver& iObserver;

    CActiveScheduler* iActiveScheduler;

    TStreamState iStatus;

#ifndef __USE_GSTREAMER__

    CMMFDevSound* iDevSound;

    CMMFDataBuffer* iDevSoundBufPtr;

#endif //__USE_GSTREAMER__

    RMsgQueue<TmsMsgBuf> iMsgQueue; // ITC back to client

    TmsMsgBuf iMsgBuffer;

    RChunk iChunk;

    gint iMaxBufLen;

    guint32 iCodecID;

    TMMFPrioritySettings iPriority;

    const gchar* iMediaType;

    gint iG711DecodeMode;

    gint iILBCDecodeMode;

    gint iG711EncodeMode;

    gint iILBCEncodeMode;

    gint iBufLen;

    TBool iWriteDataXferHndlToClient;

    TUint32 iKey;

    };

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

//  Class Name:  TMSIPDownlink

//

//  Class handling VoIP downlink stream object.

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

class TMSIPDownlink : public TMSIPCallStreamBase

    {

public:

    virtual ~TMSIPDownlink();

#ifdef __USE_GSTREAMER__

    static void cb_raw_playback_handoff(GstElement* appsrc, guint size);

    static gboolean bus_call(GstBus* bus, GstMessage* msg, gpointer data);

#endif //__USE_GSTREAMER__

    static TMSIPDownlink* NewL(TMSIPDevSoundObserver& observer,

    gint SetCodecCi();

    void Stop();

    void BufferFilled(const guint buflen);

    gint SetVolume(const guint volume);

    gint GetVolume(guint& volume);

    gint GetMaxVolume(guint& volume);

    gint GetDataXferChunkHndl(const TUint32 key, RChunk& chunk);

    // For CIs

    gint SetIlbcCodecMode(const gint mode);

    gint GetIlbcCodecMode(gint& mode);

    gint SetG711CodecMode(const gint mode);

    gint GetG711CodecMode(gint& mode);

    gint FrameModeRqrdForEC(gboolean& frmodereq);

    gint SetFrameMode(gboolean frmode);

    gint GetFrameMode(gboolean& frmode);

    gint ConcealErrorForNextBuffer();

    gint SetCng(const TMSFormatType fmttype, const gboolean cng);

    gint GetCng(const TMSFormatType fmttype, gboolean& cng);

    gint SetPlc(const TMSFormatType fmttype, const gboolean plc);

    gint GetPlc(const TMSFormatType fmttype, gboolean& plc);

    gint BadLsfNextBuffer();

    void SetAudioDeviceL(TMSAudioOutput output);

    void GetAudioDeviceL(TMSAudioOutput& output);

protected:

    TMSIPDownlink(TMSIPDevSoundObserver& observer);

    void ConstructL(const guint32 codecID,

private:

    void SetCodecCiL();

#ifdef __USE_GSTREAMER__

    void BufferToBeFilled();

    gint gst_play_raw();

    gint gst_initialize_play();

#else //__USE_GSTREAMER__

    // From MDevSoundObserver

    virtual void BufferToBeFilled(CMMFBuffer* aBuffer);

    virtual void InitializeComplete(TInt aError);

    virtual void PlayError(TInt aError);

#endif //__USE_GSTREAMER__

private:

    gboolean iFrameMode;

    gboolean iPlc;

    gint iMaxVolume;

#ifndef __USE_GSTREAMER__

    CAudioOutput* iAudioOutput;

    CErrorConcealmentIntfc* iErrConcealmentIntfc;

    CG711DecoderIntfc* iG711DecoderIntfc;

    CG729DecoderIntfc* iG729DecoderIntfc;

    CIlbcDecoderIntfc* iIlbcDecoderIntfc;

#else //__USE_GSTREAMER__

    GstErrorConcealmentIntfc* iErrConcealmentIntfc;

    GstG711DecoderIntfc* iG711DecoderIntfc;

    GstG729DecoderIntfc* iG729DecoderIntfc;

    GstIlbcDecoderIntfc* iIlbcDecoderIntfc;

    GstElement* iPipelinePlay;

    GstElement* iAppSrc;

    GstElement* iSink;

    GstBus* iBusPlay;

#endif //__USE_GSTREAMER__

#ifdef __PLAY_WAV_FROM_FILE__

    RFile iFile;

    gint fsize;

    gint iReadSize;

    gint iReadBytes;

    RFs iFs;

    HBufC8* fbuf;

#endif

    };

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

//  Class Name:  TMSIPUplink

//

//  Class handling VoIP uplink stream.

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

class TMSIPUplink : public TMSIPCallStreamBase

    {

public:

    virtual ~TMSIPUplink();

#ifdef __USE_GSTREAMER__

    static void cb_record_raw_handoff(GstElement *sink);

    static gboolean bus_call(GstBus* bus, GstMessage* msg, gpointer data);

#endif //__USE_GSTREAMER__

    static TMSIPUplink* NewL(TMSIPDevSoundObserver& observer,

    gint SetCodecCi();

    void Stop();

    void BufferEmptied();

    gint SetGain(const guint gain);

    gint GetGain(guint& gain);

    gint GetMaxGain(guint& gain);

    gint GetDataXferChunkHndl(const TUint32 key, RChunk& chunk);

    // For CIs

    gint SetIlbcCodecMode(const gint mode);

    gint GetIlbcCodecMode(gint& mode);

    gint SetG711CodecMode(const gint mode);

    gint GetG711CodecMode(gint& mode);

    gint GetSupportedBitrates(RArray<TUint>& bitrates);

    gint SetBitrate(guint bitrate);

    gint GetBitrate(guint& bitrate);

    gint SetVad(const TMSFormatType fmttype, const gboolean vad);

    gint GetVad(const TMSFormatType fmttype, gboolean& vad);

protected:

    TMSIPUplink(TMSIPDevSoundObserver& observer);

    void ConstructL(const guint32 codecID,

private:

    void SetCodecCiL();

#ifdef __USE_GSTREAMER__

    void BufferToBeEmptied();

    gint gst_record_raw();

    gint gst_initialize_record();

#else //__USE_GSTREAMER__

    // From MDevSoundObserver

    virtual void BufferToBeEmptied(CMMFBuffer* aBuffer);

    virtual void InitializeComplete(TInt aError);

    virtual void RecordError(TInt /*aError*/);

#endif //__USE_GSTREAMER__

private:

    gint iMaxGain;

#ifndef __USE_GSTREAMER__

    CSpeechEncoderConfig* iSpeechEncoderConfig;

    CG711EncoderIntfc* iG711EncoderIntfc;

    CG729EncoderIntfc* iG729EncoderIntfc;

    CIlbcEncoderIntfc* iIlbcEncoderIntfc;

#else //__USE_GSTREAMER__

    GstSpeechEncoderConfigIntfc* iSpeechEncoderConfig;

    GstG711EncoderIntfc* iG711EncoderIntfc;

    GstG729EncoderIntfc* iG729EncoderIntfc;

    GstIlbcEncoderIntfc* iIlbcEncoderIntfc;

    GstElement* iPipelineRec;

    GstElement* iSource;

    GstElement* iAppSink;

    GstBus* iBusRec;

#endif //__USE_GSTREAMER__

    };

} //namespace TMS

#endif  //__IPCALLSTREAM_H

// End of file