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CMMFChannelAndSampleRateConverter Class Reference

class CMMFChannelAndSampleRateConverter : public CBase

Base utility class to change the sample rate of audio data in a buffer

Inherits from

CMMFChannelAndSampleRateConverter
- CBase

Public Member Functions
TInt	Convert (const CMMFDataBuffer &, CMMFDataBuffer &)
TUint	MaxConvertBufferSize ( TUint )
void	Reset ()
void	SetRates ( TInt , TInt , TInt , TInt )

Inherited Functions
	CBase::CBase()
	CBase::Delete(CBase *)
	CBase::Extension_(TUint,TAny &,TAny )
	CBase::operator new(TUint)
	CBase::operator new(TUint,TAny *)
	CBase::operator new(TUint,TLeave)
	CBase::operator new(TUint,TLeave,TUint)
	CBase::operator new(TUint,TUint)
	CBase::~CBase()

Public Attributes
TInt	iFromChannels
TInt	iFromRate
TInt	iToChannels
TInt	iToRate

Protected Attributes
TInt	iFraction
TInt	iIndex
TReal	iRatio

Member Functions Documentation

Convert(const CMMFDataBuffer &, CMMFDataBuffer &)

TInt	Convert	(	const CMMFDataBuffer &	aSrcBuffer,
			CMMFDataBuffer &	aDstBuffer
		)	[pure virtual]

Reads the audio data from the source buffer, converts the number of channels and the sample rate and copies the result to the destination buffer

Parameters

const CMMFDataBuffer & aSrcBuffer	A pointer to a source buffer containing the audio data to convert.
CMMFDataBuffer & aDstBuffer	A pointer to a destination buffer.

MaxConvertBufferSize(TUint)

MaxConvertBufferSize

(

aSrcBufferSize

)

[inline, virtual]

Parameters

TUint aSrcBufferSize

Reset()

void

Reset

(

)

[inline, virtual]

SetRates(TInt, TInt, TInt, TInt)

void	SetRates	(	TInt	aSrcRate,
			TInt	aSrcChannels,
			TInt	aDstRate,
			TInt	aDstChannels
		)

Parameters

TInt aSrcRate
TInt aSrcChannels
TInt aDstRate
TInt aDstChannels

Member Data Documentation

TInt iFraction

iFraction

[protected]

TInt iFromChannels

TInt	iFromChannels

TInt iFromRate

iFromRate

TInt iIndex

iIndex

[protected]

TReal iRatio

iRatio

[protected]

TInt iToChannels

TInt	iToChannels

TInt iToRate

iToRate

Copyright ©2010 Nokia Corporation and/or its subsidiary(-ies).
All rights reserved. Unless otherwise stated, these materials are provided under the terms of the Eclipse Public License v1.0.