audiostubs/devsoundextensions_stubs/mmfdevsoundadaptation_stub/src/MmfDevSoundAdaptationBody.h
/*
* Copyright (c) 2006-2008 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: Audio Stubs - Declaration of CMMFDevSoundAdaptation::CBody.
*
*/
#ifndef MMFDEVSOUNDADAPTATIONBODY_H
#define MMFDEVSOUNDADAPTATIONBODY_H
// INCLUDES
#include <e32base.h>
#include <mmfhwdevice.h>
#include <MmfDevSoundAdaptation.h>
//#include <MdaSound.h>
#include "ToneGenerator.h"
#include "DevSoundUtility.h"
// CONSTANTS
const TInt KDevSoundDefaultFrameSize = 0x1000;
const TInt KDevSoundMinFrameSize = 0x800; //2K
const TInt KDevSoundMaxFrameSize = 0x4000; //16K
const TInt KDevSoundDeltaFrameSize = 0x800; //2K
const TInt KDevSoundFramesPerSecond = 4;
// FORWARD DECLARATIONS
class CMMFHwDeviceStub;
class CTonePlayCompleteTimer;
class CBytesPlayedCIImpl;
class CG711DecoderIntfcCI;
class CG711EncoderIntfcCI;
class CG729DecoderIntfcCI;
class CG729EncoderIntfcCI;
class CIlbcDecoderIntfcCI;
class CIlbcEncoderIntfcCI;
class CSpeechEncoderConfigCI;
class CErrorConcealmentIntfcCI;
// CLASS DECLARATION
/**
* Class implementing CMMFDevSoundAdaptation behaviour.
*
* @lib MmfDevSoundAdaptation_Stub.lib
* @since S60 3.0
*/
class CMMFDevSoundAdaptation::CBody : public CBase,
public MMMFHwDeviceObserver
{
public: // Constructors and destructor
/**
* Constructs, and returns a pointer to, a new CBody object.
* Leaves on failure..
* @return CBody* A pointer to newly created object.
*/
static CBody* NewL();
/**
* Destructor.
*/
~CBody();
public: // New functions
/**
* Initializes to raw audio data PCM16 and Sampling Rate of 8 KHz.
* On completion of Initialization, calls InitializeComplete() on
* aDevSoundObserver.
* Leaves on failure.
* @since S60 3.0
* @param MDevSoundAdaptationObserver& aDevSoundObserver A reference
* to the DevSound adaptation observer instance.
* @param TMMFState aMode Mode for which this object will be used.
* @return void
*/
void InitializeL(MDevSoundAdaptationObserver& aDevSoundObserver,
TMMFState aMode);
/**
* Initializes DevSound object for the mode aMode for processing audio
* data with hardware device aHWDev.
* On completion of Initialization, calls InitializeComplete() on
* aDevSoundObserver.
* Leaves on failure.
* @since S60 3.0
* @param MDevSoundAdaptationObserver& aDevSoundObserver A reference
* to the DevSound adaptation observer instance.
* @param TUid aHWDev The CMMFHwDevice implementation identifier.
* @param TMMFState aMode The mode for which this object will be used
* @return void
*/
void InitializeL(MDevSoundAdaptationObserver& aDevSoundObserver,
TUid aHWDev, TMMFState aMode);
/**
* Initializes DevSound object for the mode aMode for processing audio
* data with hardware device supporting FourCC aDesiredFourCC.
* Leaves on failure.
* @since S60 3.0
* @param MDevSoundAdaptationObserver& aDevSoundObserver A reference
* to the DevSound adaptation observer instance.
* @param TFourCC aDesiredFourCC The CMMFHwDevice implementation FourCC
* code.
* @param TMMFState aMode The mode for which this object will be used
* @return KErrNone if successfull, else corresponding error code
* @return void
*/
void InitializeL(MDevSoundAdaptationObserver& aDevSoundObserver,
TFourCC aDesiredFourCC,
TMMFState aMode);
/**
* Returns the supported Audio settings ie. encoding, sample rates,
* mono/stereo operation, buffer size etc..
* @since S60 3.0
* @return TMMFCapabilities The device settings.
*/
TMMFCapabilities Capabilities();
/**
* Returns the current device configuration.
* @since S60 3.0
* @return TMMFCapabilities The device settings.
*/
TMMFCapabilities Config() const;
/**
* Configure CMMFDevSound object with the settings in aConfig. Use this
* to set sampling rate, encoding and mono/stereo.
* Leaves on failure.
* @since S60 3.0
* @param const TMMFCapabilities& aConfig The attribute values to which
* CMMFDevSound object will be configured to.
* @return void
*/
void SetConfigL(const TMMFCapabilities& aCaps);
/**
* Returns an integer representing the maximum volume device supports.
* This is the maximum value which can be passed to
* CMMFDevSound::SetVolume.
* @since S60 3.0
* @return TInt The maximum volume. This value is platform dependent but
* is always greater than or equal to one.
*/
TInt MaxVolume();
/**
* Returns an integer representing the current volume.
* @since S60 3.0
* @return TInt The current volume level.
*/
TInt Volume();
/**
* Changes the current playback volume to a specified value. The volume
* can be changed before or during playback and is effective immediately.
* @since S60 3.0
* @param TInt aVolume The volume setting. This can be any value from 0
* to the value returned by a call to
* CMMFDevSound::MaxVolume(). If the volume is not
* within this range, the volume is automatically set
* to minimum or maximum value based on the value
* that is being passed. Setting a zero value mutes
* the sound. Setting the maximum value results in
* the loudest possible sound.
* @return void
*/
void SetVolume(TInt aVolume);
/**
* Returns an integer representing the maximum gain the device supports.
* This is the maximum value which can be passed to CMMFDevSound::SetGain
* @since S60 3.0
* @return TInt The maximum gain. This value is platform dependent but is
* always greater than or equal to one.
*/
TInt MaxGain();
/**
* Returns an integer representing the current gain.
* @since S60 3.0
* @return TInt The current gain level.
*/
TInt Gain();
/**
* Changes the current recording gain to a specified value. The gain can
* be changed before or during recording and is effective immediately.
* @since S60 3.0
* @param TInt aGain The gain setting. This can be any value from zero to
* the value returned by a call to
* CMMFDevSound::MaxGain(). If the volume
* is not within this range, the gain is automatically
* set to minimum or maximum value based on the value
* that is being passed. Setting a zero value mutes the
* sound. Setting the maximum value results in the
* loudest possible sound.
* @return void
*/
void SetGain(TInt aGain);
/**
* Returns the speaker balance set for playing.
* Leaves on failure.
* @since S60 3.0
* @param TInt &aLeftPercentage On return contains the left speaker
* volume percentage.
* @param TInt &aRightPercentage On return contains the right speaker
* volume percentage.
* @return void
*/
void GetPlayBalanceL(TInt& aLeftPercentage, TInt& aRightPercentage);
/**
* Sets the speaker balance for playing. The speaker balance can be
* changed before or during playback and is effective immediately.
* Leaves on failure.
* @since S60 3.0
* @param TInt aLeftPercentage The left speaker volume percentage. This
* can be any value from zero to 100. Setting
* a zero value mutes the sound on left
* speaker.
* @param TInt aRightPercentage The right speaker volume percentage.
* This can be any value from zero to 100.
* Setting a zero value mutes the sound on
* right speaker.
* @return void
*/
void SetPlayBalanceL(TInt aLeftPercentage, TInt aRightPercentage);
/**
* Returns the microphone gain balance set for recording.
* Leaves on failure.
* @since S60 3.0
* @param TInt &aLeftPercentage On return contains the left microphone
* gain percentage.
* @param TInt &aRightPercentage On return contains the right microphone
* gain percentage.
* @return void
*/
void GetRecordBalanceL(TInt& aLeftPercentage, TInt& aRightPercentage);
/**
* Sets the microphone balance for recording. The microphone balance can
* be changed before or during recording and is effective immediately.
* Leaves on failure.
* @since S60 3.0
* @param TInt aLeftPercentage The left microphone gain percentage. This
* can be any value from zero to 100. Setting
* a zero value mutes the sound from left
* microphone.
* @param TInt aRightPercentage The right microphone gain percentage.
* This can be any value from zero to 100.
* Setting a zero value mutes the sound from
* right microphone.
* @return void
*/
void SetRecordBalanceL(TInt aLeftPercentage, TInt aRightPercentage);
/**
* Initializes the audio device and starts the play process. This
* function queries and acquires the audio policy before initializing
* audio device. If there was an error during policy initialization,
* PlayError() function will be called on the observer with error code
* KErrAccessDenied, otherwise BufferToBeFilled() function will be called
* with a buffer reference. After reading data into the buffer reference
* passed, the client should call PlayData() to play data.
* The amount of data that can be played is specified in
* CMMFBuffer::RequestSize(). Any data that is read into buffer beyond
* this size will be ignored.
* Leaves on failure.
* @since S60 3.0
* @return void
*/
void PlayInitL();
/**
* Initializes the audio device and starts the record process. This
* function queries and acquires the audio policy before initializing
* audio device. If there was an error during policy initialization,
* RecordError() function will be called on the observer with error code
* KErrAccessDenied, otherwise BufferToBeEmptied() function will be
* called with a buffer reference. This buffer contains recorded or
* encoded data. After processing data in the buffer reference passed,
* the client should call RecordData() to continue recording process.
* The amount of data that is available is specified in
* CMMFBuffer::RequestSize().
* Leaves on failure.
* @since S60 3.0
* @return void
*/
void RecordInitL();
/**
* Plays data in the buffer at the current volume.
* The client should fill the buffer with audio data before calling this
* function. The observer gets a reference to the buffer along with the
* callback function BufferToBeFilled(). When playing of the audio sample
* is complete, successfully or otherwise, the function PlayError() on
* the observer is called.
* The last buffer of the audio stream being played should have the last
* buffer flag set using CMMFBuffer::SetLastBuffer(TBool). If a
* subsequent attempt to play the clip is made, this flag will need
* resetting by the client.
* @return void
*/
void PlayData();
/**
* Contine the process of recording.
* Once the buffer is filled with recorded data, the Observer gets a
* reference to the buffer along with the callback function
* BufferToBeEmptied(). After processing the buffer (copying over to a
* different buffer or writing to file) the client should call this
* function to continue the recording process.
* @return void
*/
void RecordData();
/**
* Stops the ongoing operation (Play, Record, TonePlay, Convert).
* @since S60 3.0
* @return void
*/
void Stop();
/**
* Temporarily Stops the ongoing operation (Play, Record, TonePlay,
* Convert).
* @since S60 3.0
* @return void
*/
void Pause();
/**
* Returns the Sample recorded so far
* @since S60 3.0
* @return TInt Returns the samples recorded.
*/
TInt SamplesRecorded();
/**
* Returns the Sample played so far
* @since S60 3.0
* @return TInt Returns the samples played.
*/
TInt SamplesPlayed();
/**
* Initializes the audio device and starts playing a tone. The tone is
* played with the frequency and duration specified.
* Leaves on failure.
* @since S60 3.0
* @param TInt aFrequency The frequency at which the tone will be played.
* @param const TTimeIntervalMicroSeconds &aDuration The period over
* which the tone will be played. A zero value causes the no tone
* to be played.
* @return void
*/
void PlayToneL(TInt aFrequency,
const TTimeIntervalMicroSeconds& aDuration);
/**
* Initializes audio device and starts playing a dual tone. Dual Tone is
* played with the specified frequencies and for the specified duration.
* Leaves on failure.
* @since S60 3.0
* @param TInt aFrequencyOne The first frequency of dual tone.
* @param TInt aFrequencyTwo The second frequency of dual tone.
* @param const TTimeIntervalMicroSeconds &aDuration The period over
* which the tone will be played. A zero value causes the no tone
* to be played.
* @return void
*/
void PlayDualToneL(TInt aFrequencyOne,
TInt aFrequencyTwo,
const TTimeIntervalMicroSeconds& aDuration);
/**
* Initializes the audio device and starts playing the DTMF string
* aDTMFString.
* Leaves on failure.
* @since S60 3.0
* @param const TDesC &aDTMFString The DTMF sequence in a descriptor.
* @return void
*/
void PlayDTMFStringL(const TDesC& aDTMFString);
/**
* Initializes the audio device and starts playing a tone sequence.
* Leaves on failure.
* @since S60 3.0
* @param const TDesC8 &aData The tone sequence in a descriptor.
* @return void
*/
void PlayToneSequenceL(const TDesC8& aData);
/**
* Initializes the audio device and starts playing the specified
* pre-defined tone sequence.
* Leaves on failure.
* @since S60 3.0
* @param TInt aSequenceNumber The index identifying the specific
* pre-defined tone sequence. Index values are relative to zero.
* This can be any value from zero to the value returned by a call
* to FixedSequenceCount() - 1. The function raises a panic if the
* sequence number is not within this range.
* @return void
*/
void PlayFixedSequenceL(TInt aSequenceNumber);
/**
* Defines the number of times the audio is to be repeated during the
* tone playback operation. A period of silence can follow each playing
* of a tone. The tone playing can be repeated indefinitely
* @since S60 3.0
* @param TInt aRepeatCount The number of times the tone, together with
* the trailing silence, is to be repeated. If this is set to
* KMdaRepeatForever, then the tone, together with the trailing
* silence, is repeated indefinitely or until Stop() is called.
* If this is set to zero, then the tone is not repeated.
* @param const TTimeIntervalMicroSeconds &aRepeatTrailingSilence An
* interval of silence which will be played after each tone.
* Supported only during tone playing.
* @return void
*/
void SetToneRepeats(
TInt aRepeatCount,
const TTimeIntervalMicroSeconds& aRepeatTrailingSilence);
/**
* Defines the duration of tone on, tone off and tone pause to be used
* during the DTMF tone playback operation.
* Supported only during tone playing.
* @since S60 3.0
* @param TTimeIntervalMicroSeconds32 &aToneOnLength The period over
* which the tone will be played. If this is set to zero, then the
* tone is not played.
* @param TTimeIntervalMicroSeconds32 &aToneOffLength The period over
* which the no tone will be played.
* @param TTimeIntervalMicroSeconds32 &aPauseLength The period over which
* the tone playing will be paused.
* @return void
*/
void SetDTMFLengths(TTimeIntervalMicroSeconds32& aToneOnLength,
TTimeIntervalMicroSeconds32& aToneOffLength,
TTimeIntervalMicroSeconds32& aPauseLength);
/**
* Defines the period over which the volume level is to rise smoothly
* from nothing to the normal volume level.
* The function is only available before playing.
* @since S60 3.0
* @param const TTimeIntervalMicroSeconds &aRampDuration The period over
* which the volume is to rise. A zero value causes the tone
* sample to be played at the normal level for the full duration
* of the playback. A value, which is longer than the duration of
* the tone sample means that the sample never reaches its normal
* volume level.
* @return void
*/
void SetVolumeRamp(const TTimeIntervalMicroSeconds& aRampDuration);
/**
* Defines the priority settings that should be used for this instance.
* @since S60 3.0
* @param const TMMFPrioritySettings &aPrioritySettings A class type
* representing the client's priority, priority preference and
* state
* @return void
*/
void SetPrioritySettings(const TMMFPrioritySettings& aPrioritySettings);
/**
* Retrieves a custom interface to the device.
* @since S60 3.0
* @param TUid aInterfaceId The interface UID, defined with the custom
* interface.
* @return TAny* A pointer to the interface implementation, or NULL if
* the device does not implement the interface requested. The
* return value must be cast to the correct type by the user.
*/
TAny* CustomInterface(TUid aInterfaceId);
/**
* Returns the number of available pre-defined tone sequences.
* This is the number of fixed sequence supported by DevSound by default.
* @since S60 3.0
* @return TInt The fixed sequence count. This value is implementation
* dependent.
*/
TInt FixedSequenceCount();
/**
* Returns the name assigned to a specific pre-defined tone sequence.
* This is the number of the fixed sequence supported by DevSound by
* default.
* The function raises a panic if sequence number specified is invalid.
* @since S60 3.0
* @param TInt aSequenceNumber The index identifying the specific
* pre-defined tone sequence. Index values are relative to zero.
* This can be any value from zero to the value returned by a call
* to CMdaAudioPlayerUtility::FixedSequenceCount() - 1. The
* function raises a panic if sequence number is not within this
* range.
* @return const TDesC & A reference to a Descriptor containing the fixed
* sequence name indexed by aSequenceNumber.
*/
const TDesC& FixedSequenceName(TInt aSequenceNumber);
/**
* Returns a list of the supported input datatypes that can be sent to
* DevSound for playing audio. The datatypes returned are those that the
* DevSound supports given the priority settings passed in
* aPrioritySettings. Note that if no supported data types are found this
* does not constitute failure, the function will return normally with no
* entries in aSupportedDataTypes.
* Leaves on failure.
* @since S60 3.0
* @param RArray< TFourCC > &aSupportedDataTypes The array of supported
* data types that will be filled in by this function. The
* supported data types of the DevSound are in the form of an
* array of TFourCC codes. Any existing entries in the array will
* be overwritten on calling this function. If no supported data
* types are found given the priority settings, then the
* aSupportedDatatypes array will have zero entries.
* @param const TMMFPrioritySettings &aPrioritySettings The priority
* settings used to determine the supported datatypes. Note this
* does not set the priority settings. For input datatypes the
* iState member of the priority settings would be expected to be
* either EMMFStatePlaying or EMMFStatePlayingRecording. The
* priority settings may effect the supported datatypes depending
* on the audio routing.
* @return void
*/
void GetSupportedInputDataTypesL(
RArray<TFourCC>& aSupportedDataTypesconst,
const TMMFPrioritySettings& aPrioritySettings) const;
/**
* Returns a list of the supported output dataypes that can be received
* from DevSound for recording audio. The datatypes returned are those
* that the DevSound supports given the priority settings passed in
* aPrioritySettings. Note that if no supported data types are found this
* does not constitute failure, the function will return normally with no
* entries in aSupportedDataTypes.
* Leaves on failure.
* @since S60 3.0
* @param RArray< TFourCC > &aSupportedDataTypes The array of supported
* data types that will be filled in by this function. The
* supported datatypes of the DevSound are in the form of an array
* of TFourCC codes. Any existing entries in the array will be
* overwritten on calling this function. If no supported datatypes
* are found given the priority settings, then the
* aSupportedDatatypes array will have zero entries.
* @param const TMMFPrioritySettings &aPrioritySettings The priority
* settings used to determine the supported data types. Note this
* does not set the priority settings. For output data types the
* iState member of the priority settings would expected to be
* either EMMFStateRecording or EMMFStatePlayingRecording. The
* priority settings may effect the supported datatypes depending
* on the audio routing.
* @return void
*/
void GetSupportedOutputDataTypesL(
RArray<TFourCC>& aSupportedDataTypes,
const TMMFPrioritySettings& aPrioritySettings) const;
/**
* Sets client configuration
* @since S60 3.0
* @param TMMFClientConfig& aClientConfig A reference to client
* configuration object.
* @return void
*/
void SetClientConfig(const TMMFClientConfig& aClientConfig);
/**
* Returns client configuration
* @since S60 3.0
* @return const TMMFClientConfig& A constant reference to client
* configuration.
*/
const TMMFClientConfig& ClientConfig() const;
// MMMFHwDeviceObserver implementation for CMMFHwDevice
/**
* Callback function from CMMFHwDevice when it needs data.
* @since S60 3.0
* @param CMMFBuffer& aHwBuffer A reference to CMMFBuffer in which the
* observer need to fill data into.
* @return TInt Error code. KErrNone if success.
*/
TInt FillThisHwBuffer(CMMFBuffer& aHwBuffer);
/**
* Callback function from CMMFHwDevice when it has data.
* @since S60 3.0
* @param CMMFBuffer& aHwBuffer A reference to CMMFBuffer in which the
* observer need to empty data from.
* @return TInt Error code. KErrNone if success.
*/
TInt EmptyThisHwBuffer(CMMFBuffer& aHwBuffer);
/**
* Callback function from CMMFHwDevice.
* @since S60 3.0
* @param TUid aMessageType A Uid identifying type of message.
* @param const TDesC8& aMsg.A reference to descriptor containing message
* information.
* @return TInt Error code. KErrNone if success.
*/
TInt MsgFromHwDevice(TUid aMessageType, const TDesC8& aMsg);
/**
* Callback function from CMMFHwDevice when playing back/ recording is
* stopped..
* @since S60 3.0
* @return void
*/
void Stopped();
/**
* Callback function from CMMFHwDevice when there is a error during
* playback and/or recording.
* @since S60 3.0
* @param TInt aError A systemwide error code.
* @return void
*/
void Error(TInt aError);
// CMMFHwDevice implementation ends
private:
/**
* Called by Audio Policy Server when play reqeust is granted
* Leaves on failure.
* @since S60 3.0
* @return void
*/
void StartPlayDataL();
/**
* Called by Audio Policy Server when record reqeust is granted
* Leaves on failure.
* @since S60 3.0
* @return void
*/
void StartRecordDataL();
/**
* Called by Audio Policy Server when play tone reqeust is granted
* Leaves on failure.
* @since S60 3.0
* @return void
*/
void StartPlayToneL();
/**
* Called by Audio Policy Server when play dual tone request is granted
* Leaves on failure.
* @since S60 3.0
* @return void
*/
void StartPlayDualToneL();
/**
* Called by Audio Policy Server when play DTMF reqeust is granted
* Leaves on failure.
* @since S60 3.0
* @return void
*/
void StartPlayDTMFStringL();
/**
* Called by Audio Policy Server when play tone sequence reqeust
* is granted.
* Leaves on failure.
* @since S60 3.0
* @return void
*/
void StartPlayToneSequenceL();
/**
* Play tone
* Leaves on failure.
* @since S60 3.0
* @return void
*/
void DoPlayL();
/**
* Sets active tone
* @since S60 3.0
* @return void
*/
void SetActiveToneBuffer();
/**
* Fills free tone buffer with tone data
* @since S60 3.0
* @return KErrNone if succesfull, else corresponding error code.
*/
TInt FillFreeToneBuffer();
// HwDevice implementation begins
/**
* Initialize HwDevice task.
* @since S60 3.0
* @return KErrNone if succesfull, else corresponding error code.
*/
TInt InitTask();
/**
* Returns Sampling Frequency the device is currently configured to
* @since S60 3.0
* @return KErrNone if succesfull, else corresponding error code.
*/
TInt SamplingFrequency();
/**
* Returns number of channels the device is currently configured to
* @since S60 3.0
* @return KErrNone if succesfull, else corresponding error code.
*/
TInt NumberOfChannels();
/**
* returns the number of bytes in each audio sample
* @since S60 3.0
* @return TInt Number of of bytes in each audio sample.
*/
TInt BytesPerAudioSample();
// HwDevice implementation ends
/**
* Initializes DevSound utility
* @since S60 3.0
* @return void
*/
void InitializeDevSoundUtilL() const;
private:
/**
* C++ default constructor.
*/
CBody();
/**
* By default Symbian 2nd phase constructor is private.
*/
void ConstructL(RServer2& aPolicyServerHandle);
protected: // Data
CG711DecoderIntfcCI* iG711DecoderIntfcCI;
CG711EncoderIntfcCI* iG711EncoderIntfcCI;
CG729DecoderIntfcCI* iG729DecoderIntfcCI;
CG729EncoderIntfcCI* iG729EncoderIntfcCI;
CIlbcDecoderIntfcCI* iIlbcDecoderIntfcCI;
CIlbcEncoderIntfcCI* iIlbcEncoderIntfcCI;
CSpeechEncoderConfigCI* iSpeechEncoderConfigCI;
CErrorConcealmentIntfcCI* iErrorConcealmentIntfcCI;
private: // Data
//Objects (owned or referred to):
MDevSoundAdaptationObserver* iDevSoundObserver;
// DevSound capabilities
TMMFCapabilities iDeviceCapabilities;
// Current Configuration
TMMFCapabilities iDeviceConfig;
// Bytes of audio data played in current play cycle
TInt iPlayedBytesCount;
// Bytes of audio data recorded in current record cycle
TInt iRecordedBytesCount;
TInt iGain;
TInt iVolume;
//Tone Stuff:
MMdaToneSynthesis* iCurrentGenerator;
TMdaSimpleToneGenerator iToneGen;
TMdaDualToneGenerator iDualToneGen;
TMdaDTMFGenerator iDTMFGen;
TMdaSequenceGenerator iSequenceGen; // Not Supported
TInt iRepeatCount;
TTimeIntervalMicroSeconds iRepeatTrailingSilence;
TTimeIntervalMicroSeconds iRampDuration;
// Double buffer tone playing
CMMFDataBuffer* iToneBuffer1;
CMMFDataBuffer* iToneBuffer2;
// Reference to current tone buffer playing
CMMFDataBuffer* iActiveToneBuffer;
// Hardware device implementation
CMMFHwDeviceStub* iCMMFHwDevice;
// Mode in which DevSound instance will be used for
TMMFState iMode;
// Reference to hardware buffer
CMMFDataBuffer* iHwDeviceBuffer;
TBool iLastBufferReceived;
// Holds true of Audio data given to DevSound needs to ramped up
mutable CMMFDevSoundUtility* iDevSoundUtil;
// Fixed sequence related
// Holds the fixed sequence data
mutable CPtrC8Array* iFixedSequences;
// Holds reference to current sequence
TPtrC8 iFixedSequence;
// Balance
TInt iLeftPlayBalance;
TInt iRightPlayBalance;
TInt iLeftRecordBalance;
TInt iRightRecordBalance;
TBool iPaused;
TUid iHwDeviceID;
// Hardware device initialization parameters
THwDeviceInitParams iDevInfo;
TBool iFirstCallFromHwDevice;
// Temporary CI testing only
CBytesPlayedCIImpl* iBytesPlayedCIImpl;
// Holds clients configuration
TMMFClientConfig iClientConfig;
// Pointer to CTonePlayCompleteTimer
CTonePlayCompleteTimer* iTonePlayCompleteTimer;
private: // Friend classes
friend class CMMFDevSoundAdaptation;
};
#endif // MMFDEVSOUNDADAPTATIONBODY_H
// End of File