/*

* This component and the accompanying materials are made available

* under the terms of the License "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:

*

*

*/

#include "shared_sound.h"

#include "variant_sound.h"

	{

	}

	{

	}

DDriverSyborgSoundScPdd::~DDriverSyborgSoundScPdd()

	{

	}

TInt DDriverSyborgSoundScPdd::DoCreate()

	{

	SetCaps();

	return KErrNone;

	}

void DDriverSyborgSoundScPdd::GetChunkCreateInfo(TChunkCreateInfo& aChunkCreateInfo)

	{

	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::GetChunkCreateInfo TxPdd");

	aChunkCreateInfo.iType = TChunkCreateInfo::ESharedKernelMultiple;

	aChunkCreateInfo.iMapAttr = EMapAttrFullyBlocking; 	// No caching

	aChunkCreateInfo.iOwnsMemory = ETrue; 				// Using RAM pages

	aChunkCreateInfo.iDestroyedDfc = NULL; 				// No chunk destroy DFC

	}

void DDriverSyborgSoundScPdd::Caps(TDes8& aCapsBuf) const

	{

	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::Caps TxPdd");

	// Fill the structure with zeros in case it is a newer version than we know about

	aCapsBuf.FillZ(aCapsBuf.MaxLength());

	// And copy the capabilities into the packaged structure

	TPtrC8 ptr((const TUint8*) &iCaps, sizeof(iCaps));

	aCapsBuf = ptr.Left(Min(ptr.Length(), aCapsBuf.MaxLength()));

	}

TInt DDriverSyborgSoundScPdd::SetConfig(const TDesC8& aConfigBuf)

	{

	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::SetConfig TxPdd");

	// Read the new configuration from the LDD

	TCurrentSoundFormatV02 config;

	TPtr8 ptr((TUint8*) &config, sizeof(config));

	Kern::InfoCopy(ptr, aConfigBuf);

	iConfig = config;

	return KErrNone;

	}

TInt DDriverSyborgSoundScPdd::SetVolume(TInt aVolume)

	{

	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::Setvolume TxPdd");

	return KErrNone;

	}

TInt DDriverSyborgSoundScPdd::StartTransfer()

	{

TInt DDriverSyborgSoundScPdd::CalculateBufferTime(TInt aNumBytes)

	{

	// integer division by number of channels

	aNumBytes /= iConfig.iChannels;

	// integer division by bytes per sample

	switch(iConfig.iEncoding)

		{

		case ESoundEncoding8BitPCM: break;

		case ESoundEncoding16BitPCM: aNumBytes /= 2; break;

		case ESoundEncoding24BitPCM: aNumBytes /= 3; break;

		}

	return (aNumBytes * 1000) / samplerate; //return time in milliseconds

	}

	{

	return KErrNone;

	}

void DDriverSyborgSoundScPdd::StopTransfer()

	{

	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::stoptransfer TxPdd");

	}

TInt DDriverSyborgSoundScPdd::PauseTransfer()

	{

	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::pausetransfer TxPdd");

	return KErrNone;

	}

TInt DDriverSyborgSoundScPdd::ResumeTransfer()

	{

	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::resumetransfer TxPdd");

	return KErrNone;

	}

TInt DDriverSyborgSoundScPdd::PowerUp()

	{

	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::PowerUp TxPdd");

	return KErrNone;

	}

void DDriverSyborgSoundScPdd::PowerDown()

	{

	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::Powerdown TxPdd");

	}

TInt DDriverSyborgSoundScPdd::CustomConfig(TInt /*aFunction*/,TAny* /*aParam*/)

	{

	return KErrNotSupported;

	}

TInt DDriverSyborgSoundScPdd::MaxTransferLen() const

	{

	}

void DDriverSyborgSoundScPdd::SetCaps()

	{

	SYBORG_SOUND_DEBUG("DDriverSyborgSoundScPdd::SetCaps TxPdd");

	if(iUnitType == KSoundScTxUnit0)

		{

		// The data transfer direction for this unit is play

		iCaps.iDirection = ESoundDirPlayback;

		}

	else if(iUnitType == KSoundScRxUnit0)

		{

		iCaps.iDirection = ESoundDirRecord;

		}

	// This unit supports both mono and stereo

	iCaps.iChannels = (KSoundMonoChannel | KSoundStereoChannel);

	// This unit supports only some of the sample rates offered by Symbian OS

	iCaps.iRates = (KSoundRate8000Hz | KSoundRate11025Hz | KSoundRate12000Hz | KSoundRate16000Hz |

					KSoundRate22050Hz | KSoundRate24000Hz | KSoundRate32000Hz | KSoundRate44100Hz |

					KSoundRate48000Hz);

	// This unit only supports 16bit PCM encoding

	iCaps.iEncodings = KSoundEncoding16BitPCM;

	// This unit only supports interleaved data format when playing stereo;  that is, a PCM data

	// stream where the left and right channel samples are interleaved as L-R-L-R-L-R etc.

	iCaps.iDataFormats = KSoundDataFormatInterleaved;

	// The iRequestMinSize member is named badly.  It is actually the value of which the length samples

	// must be a multiple of.  ie.  The sample length % iRequestMinSize must == 0.  This value must always

	// be a power of 2

	iCaps.iRequestMinSize = 4;

	// The logarithm to base 2 of the alignment required for request arguments.  DMA requests must be

	// aligned to a 32 bit boundary

	iCaps.iRequestAlignment = 2;

	// This unit is not capable of detecting changes in hardware configuration

	iCaps.iHwConfigNotificationSupport = EFalse;

	}