emulator/emulatorbsp/specific/soundsc_tx.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 14 May 2010 16:58:21 +0300
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// wins\specific\soundsc_tx.cpp
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// Emulator playback functions for the shared chunk sound driver PDD.
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// 
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//
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/**
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 @file
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 @internalTechnology
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 @prototype
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*/
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#include "winssoundsc.h"
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_LIT(KSoundScPddName,"SoundSc.Wins");
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_LIT(KTxSoundDriverThreadName,"SoundDriverPlayThread");
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const TInt KSoundDriverThreadPriority=26;		// One less than DFC thread 0
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GLDEF_C TInt RateInSamplesPerSecond(TSoundRate aRate)
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	{
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	switch(aRate)
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		{
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		case ESoundRate7350Hz: 	return(7350);
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		case ESoundRate8000Hz: 	return(8000);
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		case ESoundRate8820Hz: 	return(8820);
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		case ESoundRate9600Hz: 	return(9600);
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		case ESoundRate11025Hz: return(11025);
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		case ESoundRate12000Hz: return(12000);
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		case ESoundRate14700Hz:	return(14700);
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		case ESoundRate16000Hz: return(16000);
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		case ESoundRate22050Hz: return(22050);
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		case ESoundRate24000Hz: return(24000);
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		case ESoundRate29400Hz: return(29400);
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		case ESoundRate32000Hz: return(32000);
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		case ESoundRate44100Hz: return(44100);
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		case ESoundRate48000Hz: return(48000);
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		default: return(0);
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		};
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	}
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// This utility function is used instead of WaitForSingleObject() for places
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// where the API call is made from either the driver thread or the play 
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// thread.If the call is made from the driver thread, the thread is removed from 
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// the kernel for the duration of the WaitForSingleObject() call.
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GLDEF_C DWORD WaitForSingleObjectDualThread(HANDLE hHandle,DWORD dwMilliseconds)
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	{
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	TBool epocThread = (NKern::CurrentContext() == NKern::EInterrupt)?EFalse:ETrue;
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	if (epocThread)
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		Emulator::Escape();
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	DWORD dwRet = WaitForSingleObject(hHandle, dwMilliseconds);
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	if (epocThread)
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		Emulator::Reenter();
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	return dwRet;
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	}
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/**
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Remove an audio buffer from the head of the specified buffer list.
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Each list holds buffers which are waiting to be transferred. These lists are only used when no audio hardware is present.
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@param aList The pending buffer list from which the buffer should be removed (either record or playback).
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@return A pointer to the audio buffer reoved or NULL if the list is empty.
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*/
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GLDEF_C WAVEHDR* RemoveFromPendingList(WAVEHDR** aList)
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	{
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	WAVEHDR* buffer;
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	buffer=aList[0];
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	if (buffer)
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		{
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		// Move any remaining up one in the list.
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		WAVEHDR* b;
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		do
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			{
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			b=aList[1];
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			*aList++=b;
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			}
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		while(b);
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		}
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	return(buffer);
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	}
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/**
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Add an audio buffer to the tail of the the specified buffer list.
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Each list holds buffers which are waiting to be transferred. These lists are only used when no audio hardware is present.
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@param aBuffer The audio buffer to be added.
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@param aList The pending buffer list into which the buffer should be added (either record or playback).
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*/
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GLDEF_C void AddToPendingList(WAVEHDR* aBuffer,WAVEHDR** aList)
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	{
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	while (*aList)
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		aList++;
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	*aList=aBuffer;
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	}
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/**
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The thread function for the play windows thread.
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This function is always executed in windows thread context.
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*/
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LOCAL_C TUint PlayThreadFunction(DWinsSoundScTxPdd *aSoundPdd)
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	{
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	aSoundPdd->PlayThread();
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	return 0;
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	}
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/**
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The waveform output callback function. This can receive the following messages:-
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WOM_OPEN when the output device is opened, WOM_CLOSE when the output device is closed,
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and WOM_DONE each time a data block play transfer is completed (i.e. completion of waveOutWrite).
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This function is always executed in windows thread context.
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*/
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LOCAL_C void CALLBACK WaveOutProc(HWAVEOUT /*hwo*/, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD /*dwParam2*/)
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	{
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	if (uMsg == WOM_DONE)
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		{
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		DWinsSoundScTxPdd* pdd = (DWinsSoundScTxPdd*)dwInstance;
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		pdd->WaveOutProc((WAVEHDR*)dwParam1);
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		}
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	}
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THostLock::THostLock() : iLocked(EFalse)
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	{
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	Lock();
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	}
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THostLock::THostLock(TBool /*aLock*/) : iLocked(EFalse)
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	{
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	}
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THostLock::~THostLock()
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	{
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	if (iLocked)
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		Unlock();
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	}
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void THostLock::Lock()
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	{
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	__ASSERT_DEBUG(!iLocked, PANIC());
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	Emulator::Lock();
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	iLocked = ETrue;
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	}
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void THostLock::Unlock()
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	{
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	__ASSERT_DEBUG(iLocked, PANIC());
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	Emulator::Unlock();
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	iLocked = EFalse;
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	}
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TCondHostLock::TCondHostLock() : THostLock(EFalse)
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	{
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	iEpocThread = (NKern::CurrentContext() == NKern::EInterrupt)?EFalse:ETrue;
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	Lock();
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	}
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void TCondHostLock::Lock()
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	{
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	if (iEpocThread)
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		THostLock::Lock();	
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	}
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void TCondHostLock::Unlock()
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	{
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	if (iEpocThread)
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		THostLock::Unlock();	
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	}
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/**
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Standard export function for PDDs. This creates a DPhysicalDevice derived object,
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in this case - DWinsSoundScPddFactory.
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*/
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DECLARE_STANDARD_PDD()
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	{
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	return new DWinsSoundScPddFactory;
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	}
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/**
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Constructor for the sound PDD factory class.
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*/
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DWinsSoundScPddFactory::DWinsSoundScPddFactory()
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	{	
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	__KTRACE_SND(Kern::Printf(">DWinsSoundScPddFactory::DWinsSoundScPddFactory"));
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//	iDfcQ=NULL;
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	// Support units KSoundScTxUnit0 & KSoundScRxUnit0.
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    iUnitsMask=(1<<KSoundScRxUnit0)|(1<<KSoundScTxUnit0);
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    // Set version number for this device.
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	iVersion=RSoundSc::VersionRequired();
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	}
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/**
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Destructor for the sound PDD factory class.
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*/
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DWinsSoundScPddFactory::~DWinsSoundScPddFactory()
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	{
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	__KTRACE_SND(Kern::Printf(">DWinsSoundScPddFactory::~DWinsSoundScPddFactory"));
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	// Destroy the kernel thread.
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	if (iDfcQ)
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		iDfcQ->Destroy();
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	}
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/**
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Second stage constructor for the sound PDD factory class.
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This must at least set a name for the driver object.
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@return KErrNone if successful, otherwise one of the other system wide error codes.
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*/
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TInt DWinsSoundScPddFactory::Install()
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	{
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	TInt r=KErrNone;
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	if (iDfcQ==NULL)
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		{
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		// Create a new sound driver DFC queue (and associated kernel thread). 
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		r=Kern::DynamicDfcQCreate(iDfcQ,KSoundDriverThreadPriority,KTxSoundDriverThreadName);
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		}
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	if (r==KErrNone)
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		{
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		r=SetName(&KSoundScPddName); 			// Set the name of the driver object
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		}
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	__KTRACE_SND(Kern::Printf("<DWinsSoundScPddFactory::Install - %d",r));
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	return(r);
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	}
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/**
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Returns the PDD's capabilities. This is not used by the Symbian OS device driver framework
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or by the LDD.
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@param aDes A descriptor to write capabilities information into.
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*/
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void DWinsSoundScPddFactory::GetCaps(TDes8& /*aDes*/) const
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	{}
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/**
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Called by the kernel's device driver framework to check if this PDD is suitable for use
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with a logical channel.
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This is called in the context of the client thread which requested the creation of a logical
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channel - through a call to RBusLogicalChannel::DoCreate().
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The thread is in a critical section.
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@param aUnit The unit argument supplied by the client to RBusLogicalChannel::DoCreate().
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@param aInfo The info argument supplied by the client to RBusLogicalChannel::DoCreate() - not used.
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@param aVer The version number of the logical channel which will use this physical channel. 
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@return KErrNone if successful, otherwise one of the other system wide error codes.
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*/
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TInt DWinsSoundScPddFactory::Validate(TInt aUnit, const TDesC8* /*aInfo*/, const TVersion& aVer)
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	{
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	// Check that the version specified is compatible.
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	if (!Kern::QueryVersionSupported(RSoundSc::VersionRequired(),aVer))
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		return(KErrNotSupported);
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	// Check the unit number is compatible
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	if (aUnit!=KSoundScTxUnit0 && aUnit!=KSoundScRxUnit0)
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		return(KErrNotSupported);
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	return(KErrNone);
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	}
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/**
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Called by the kernel's device driver framework to create a physical channel object.
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This is called in the context of the client thread which requested the creation of a logical
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channel - through a call to RBusLogicalChannel::DoCreate().
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The thread is in a critical section.
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@param aChannel Set by this function to point to the created physical channel object.
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@param aUnit The unit argument supplied by the client to RBusLogicalChannel::DoCreate().
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@param aInfo The info argument supplied by the client to RBusLogicalChannel::DoCreate().
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@param aVer The version number of the logical channel which will use this physical channel. 
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@return KErrNone if successful, otherwise one of the other system wide error codes.
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*/
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TInt DWinsSoundScPddFactory::Create(DBase*& aChannel, TInt aUnit, const TDesC8* /*anInfo*/, const TVersion& /*aVer*/)
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	{
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	__KTRACE_SND(Kern::Printf(">DWinsSoundScPddFactory::Create"));
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	// Create the appropriate PDD channel object.
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	TInt r=KErrNoMemory;
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	if (aUnit==KSoundScRxUnit0)
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		{
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		DWinsSoundScRxPdd* pD=new DWinsSoundScRxPdd;
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		aChannel=pD;
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		if (pD)
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			r=pD->DoCreate(this);
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		}
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	else
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		{
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		DWinsSoundScTxPdd* pD=new DWinsSoundScTxPdd;
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		aChannel=pD;
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		if (pD)
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			r=pD->DoCreate(this);
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		}
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	return(r);
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	}
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   304
	
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/**
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Constructor for the WINS shared chunk playback PDD.
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This function is always executed in driver thread context.
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*/
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DWinsSoundScTxPdd::DWinsSoundScTxPdd()
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	: iDfc(DWinsSoundScTxPdd::PlayDfc,this,2)
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	{		
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	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::DWinsSoundScTxPdd"));
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//	iVolume=0;
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//	iDriverThreadSem=0;
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//	iPlayThread=0;
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//	iPlayThreadMutex=0;
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//	iPlayThreadSem=0;
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//	iStopSemaphore=0;
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//	iDeathSemaphore=0;
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//	iPlayCommand=ESendData;
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//	iPlayCommandArg0=0;
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//	iPlayCommandArg1=0;
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//	iPendingPlay=0;
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//	iPlayThreadError=0;
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//	iWaveformBufMgr=NULL;
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//	iCompletedPlayBufHdrMask=0;	
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//	iPlayBufferSize=0;
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//	iNoHardware=EFalse;
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//	iPlayTimerEvent=0;
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//	iTimerID=0;
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//	iTimerActive=EFalse;
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//	iWinWaveVolume=0;
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	}
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   335
	
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/**
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Destructor for the WINS shared chunk playback PDD.
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This function is always executed in driver thread context.
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*/
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DWinsSoundScTxPdd::~DWinsSoundScTxPdd()
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	{
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	// If the Windows thread started up successfully, signal it to shut down and wait for it to do so
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	if (iPlayThreadRunning)
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		{
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		// Signal the windows thread to close down the play device and exit the windows thread.
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diff changeset
   346
		iDeathSemaphore = CreateSemaphore(NULL, 0, 2, NULL);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
		PlayThreadCommand(EExit);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
		// Wait for the play thread to terminate.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
		if (iDeathSemaphore)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
			Emulator::Escape();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
			WaitForSingleObject(iDeathSemaphore, INFINITE); 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
			Emulator::Reenter();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
			__HOST_LOCK;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
			CloseHandle(iDeathSemaphore);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
	if (iPlayTimerEvent)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
		CloseHandle(iPlayTimerEvent); 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
	if (iPlayThreadSem)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
		CloseHandle(iPlayThreadSem); 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
	if (iPlayThread)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
		CloseHandle(iPlayThread);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
	if (iDriverThreadSem)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
		CloseHandle(iDriverThreadSem); 	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
	if (iWaveformBufMgr)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
		delete iWaveformBufMgr;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
Second stage constructor for the WINS shared chunk playback PDD.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
Note that this constructor is called before the second stage constructor for the LDD so it is not
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
possible to call methods on the LDD here.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
@param aPhysicalDevice A pointer to the factory class that is creating this PDD.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
@return KErrNone if successful, otherwise one of the other system wide error codes.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
TInt DWinsSoundScTxPdd::DoCreate(DWinsSoundScPddFactory* aPhysicalDevice)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::DoCreate"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
	iPhysicalDevice=aPhysicalDevice;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
	// Set up the correct DFC queue.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
	iDfc.SetDfcQ(iPhysicalDevice->iDfcQ);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
	SetCaps();	// Setup the capabilities of this device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
	// Setup the default audio configuration
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
	iSoundConfig.iChannels=2;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
	iSoundConfig.iRate=ESoundRate48000Hz;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
	iSoundConfig.iEncoding=ESoundEncoding16BitPCM;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
	iSoundConfig.iDataFormat=ESoundDataFormatInterleaved;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
	__HOST_LOCK;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
	// Query the waveform device capabilities using the default device identifier in order
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
	// to check if there is a functioning waveform device present.  Note that some versions of
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
	// Windows (such as Windows Server 2003) will actually return MMSYSERR_NOERROR when this is
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
	// called, even if there is no waveform device present, so we have a further check in
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
	// when waveOutOpen() is called
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
	WAVEOUTCAPS waveOutCaps;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
	MMRESULT res = waveOutGetDevCaps(WAVE_MAPPER,&waveOutCaps,sizeof(WAVEOUTCAPS));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
#ifdef FORCE_NO_HARDWARE
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
	res=MMSYSERR_NOERROR+1;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
#endif
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
	if (res != MMSYSERR_NOERROR)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
		iNoHardware = ETrue;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
	__HOST_LOCK_OFF;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
	// Create the windows waveform audio buffer manager.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
	iWaveformBufMgr=new TWaveformBufMgr(ESoundDirPlayback,!iNoHardware);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
	if (!iWaveformBufMgr)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
		return(KErrNoMemory);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
	// Create the driver thread semaphore.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
	iDriverThreadSem = CreateSemaphore(NULL,0,0x7fffffff,NULL);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
	if (!iDriverThreadSem)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
		return(KErrNoMemory);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
	// Create the play windows thread.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
	if ((iPlayThread=CreateWin32Thread(EThreadEvent,(LPTHREAD_START_ROUTINE)PlayThreadFunction,(void *)this, FALSE))==NULL)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
		return(KErrNoMemory);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
	SetThreadPriority(iPlayThread,THREAD_PRIORITY_HIGHEST);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
	__ASSERT_ALWAYS(ResumeThread(iPlayThread) != 0xffffffff, PANIC()); // Windows Unexpected Error
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
	// Wait to be notified of successful thread initialization
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
	Emulator::Escape();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
	WaitForSingleObject(iDriverThreadSem,INFINITE);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
	Emulator::Reenter();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
	// If the Windows thread started up successfully, indicate this fact so that when shutting down we know
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
	// to signal to the thread to exit
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
	if (iPlayThreadError == KErrNone)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
		iPlayThreadRunning = ETrue;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
	return(iPlayThreadError);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
Called from the LDD to return the DFC queue to be used by this device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
@return The DFC queue to use.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
TDfcQue* DWinsSoundScTxPdd::DfcQ(TInt /*aUnit*/)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
	return(iPhysicalDevice->iDfcQ);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
/** 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
Called from the LDD to return the shared chunk create information to be used by this device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
@param aChunkCreateInfo A chunk create info. object to be to be filled with the settings
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
						required for this device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
*/		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
void DWinsSoundScTxPdd::GetChunkCreateInfo(TChunkCreateInfo& aChunkCreateInfo)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::GetChunkCreateInfo"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
	aChunkCreateInfo.iType=TChunkCreateInfo::ESharedKernelMultiple;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
	aChunkCreateInfo.iMapAttr=0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
	aChunkCreateInfo.iOwnsMemory=ETrue; 				// Using RAM pages.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
	aChunkCreateInfo.iDestroyedDfc=NULL; 				// No chunk destroy DFC.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
Called from the LDD to return the capabilities of this device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
@param aCapsBuf A packaged TSoundFormatsSupportedV02 object to be filled with the play
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
				capabilities of this device. This descriptor is in kernel memory and can be accessed directly.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
@see TSoundFormatsSupportedV02.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
void DWinsSoundScTxPdd::Caps(TDes8& aCapsBuf) const
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::Caps"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
	// Copy iCaps back.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
	TPtrC8 ptr((const TUint8*)&iCaps,sizeof(iCaps));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
	aCapsBuf.FillZ(aCapsBuf.MaxLength());
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
	aCapsBuf=ptr.Left(Min(ptr.Length(),aCapsBuf.MaxLength()));	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
Called from the LDD to return the maximum transfer length in bytes that this device can support in a single data transfer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
@return The maximum transfer length in bytes.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
TInt DWinsSoundScTxPdd::MaxTransferLen() const
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
	return(KWinsMaxAudioTransferLen);		// 32K
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
	}		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
Called from the LDD to power up the sound device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
@return KErrNone if successful, otherwise one of the other system wide error codes.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
TInt DWinsSoundScTxPdd::PowerUp()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
	return(KErrNone);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
Called from the LDD to configure or reconfigure the device using the the configuration supplied.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
@param aConfigBuf A packaged TCurrentSoundFormatV02 object which contains the new configuration settings.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
				  This descriptor is in kernel memory and can be accessed directly.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
@return KErrNone if successful, otherwise one of the other system wide error codes.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
@see TCurrentSoundFormatV02.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
TInt DWinsSoundScTxPdd::SetConfig(const TDesC8& aConfigBuf)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::SetConfig"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
	// Cannot change the configuration while the device is open and playing. (LDD should prevent
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
	// this anyway but better safe than sorry).
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
	if (iPlayDeviceHandle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
		return(KErrInUse);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
	// Save the current settings so we can restore them if there is a problem with the new ones.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
	TCurrentSoundFormatV02 saved=iSoundConfig;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
	// Read the new configuration from the LDD.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
	TPtr8 ptr((TUint8*)&iSoundConfig,sizeof(iSoundConfig));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
	Kern::InfoCopy(ptr,aConfigBuf);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
	// Open the play device with the new settings to check they are supported. Then close it
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
	// again - don't leave it open yet.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
	TInt r = CreatePlayDevice(ESetConfig);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
	if (r==KErrNone)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
		ClosePlayDevice();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
	else
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
		iSoundConfig=saved;	// Restore the previous settings
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
	return(r);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
const TInt KdBToLinear[KSoundMaxVolume+1] = 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
	0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
	0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
	0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
	0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
	0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
	0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
	0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
	0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
	0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
	0x0000,0x0000,0x0000,0x0101,0x0101,0x0101,0x0101,0x0101,0x0101,0x0101,0x0101,0x0101,0x0101,0x0101,0x0101,0x0101,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
	0x0101,0x0101,0x0101,0x0101,0x0101,0x0101,0x0202,0x0202,0x0202,0x0202,0x0202,0x0202,0x0202,0x0202,0x0202,0x0303,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
	0x0303,0x0303,0x0303,0x0303,0x0303,0x0404,0x0404,0x0404,0x0404,0x0505,0x0505,0x0505,0x0505,0x0606,0x0606,0x0606,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
	0x0707,0x0707,0x0808,0x0808,0x0909,0x0909,0x0a0a,0x0a0a,0x0b0b,0x0b0b,0x0c0c,0x0d0d,0x0e0e,0x0e0e,0x0f0f,0x1010,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
	0x1111,0x1212,0x1313,0x1414,0x1616,0x1717,0x1818,0x1a1a,0x1b1b,0x1d1d,0x1e1e,0x2020,0x2222,0x2424,0x2626,0x2929,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
	0x2b2b,0x2e2e,0x3030,0x3333,0x3636,0x3939,0x3d3d,0x4040,0x4444,0x4848,0x4c4c,0x5151,0x5656,0x5b5b,0x6060,0x6666,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
	0x6c6c,0x7272,0x7979,0x8080,0x8888,0x9090,0x9898,0xa2a2,0xabab,0xb5b5,0xc0c0,0xcbcb,0xd7d7,0xe4e4,0xf2f2,0xffff,	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
	};	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
Called from the LDD to set the play volume.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
@param aVolume The play volume to be set - a value in the range 0 to 255. The value 255 equates
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
	to the maximum volume and each value below this equates to a 0.5dB step below it.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
@return KErrNone if successful, otherwise one of the other system wide error codes.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
TInt DWinsSoundScTxPdd::SetVolume(TInt aVolume)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::SetVolume"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
	// The documentation for waveOutSetVolume() says: "Volume settings are interpreted logarithmically" but evidence suggests these are really
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   574
	// interpreted linearly. Hence, use a lookup table to convert from dB to linear. At the same time convert from an 8-bit wide range to a 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
	// 16-bit wide range.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
	iVolume=KdBToLinear[aVolume];
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
	// Only update the volume on the output device itself if this is currently open.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
	if (iPlayDeviceHandle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
		waveOutSetVolume(iPlayDeviceHandle, iVolume | (iVolume << 16));	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
	return(KErrNone);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
	}	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
Called from the LDD to prepare the audio device for playback.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
@return KErrNone if successful, otherwise one of the other system wide error codes.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   588
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
TInt DWinsSoundScTxPdd::StartTransfer()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::StartTransfer"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   592
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   593
	// Convert the enum representing the current sample rate into an integer
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   594
	TInt samplesPerSecond=RateInSamplesPerSecond(iSoundConfig.iRate);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   595
	if (samplesPerSecond==0)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   596
		return(KErrNotSupported);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   597
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   598
	// Now convert the sample rate into the number of bytes per second and save for later use
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   599
	iBytesPerSecond=samplesPerSecond;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
	if (iSoundConfig.iChannels==2)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
		iBytesPerSecond*=2;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
	if (iSoundConfig.iEncoding==ESoundEncoding16BitPCM)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
		iBytesPerSecond*=2;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
	// Open the play device with the current settings.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
	iPendingPlay=0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
	iCompletedPlayBufHdrMask=0;					// Reset the completion status mask
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
	TInt r = CreatePlayDevice(EStartTransfer);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
	return(r);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
Called from the LDD to initiate the playback of a portion of data to the audio device. 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
When the transfer is complete, the PDD signals this event using the LDD function PlayCallback().
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
@param aTransferID A value assigned by the LDD to allow it to uniquely identify a particular transfer fragment.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
@param aLinAddr The linear address within the shared chunk of the start of the data to be played.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
@param aPhysAddr The physical address within the shared chunk of the start of the data to be played.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
@param aNumBytes The number of bytes to be played. 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
@return KErrNone if the transfer has been initiated successfully;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
  		KErrNotReady if the device is unable to accept the transfer for the moment;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
		otherwise one of the other system-wide error codes.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
TInt DWinsSoundScTxPdd::TransferData(TUint aTransferID,TLinAddr aLinAddr,TPhysAddr /*aPhysAddr*/,TInt aNumBytes)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::TransferData(ID:%xH)",aTransferID));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
	// Check that we can accept the request
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
	if (aNumBytes>KWinsMaxAudioTransferLen)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
		return(KErrArgument);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
	if (iPendingPlay>=iWaveformBufMgr->iNumWaveformBufs)	// LDD may issue multiple data transfers per buffer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
		return(KErrNotReady);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
	// Signal the windows thread to initiate the playback of a buffers worth of data to the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
	iPendingPlay++;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
	PlayThreadCommand(ESendData,aTransferID,aLinAddr,aNumBytes);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
	// Although the windows thread runs at a higher priority, its not safe to assume we will always get pre-empted at this
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
	// point while the the higher priority thread processes and completes the request. Instead we need to wait until it
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
	// signals back completion of the command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
	Emulator::Escape();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
	WaitForSingleObject(iDriverThreadSem,INFINITE);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
	Emulator::Reenter();	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
	return(iPlayThreadError);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
	}	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
Called from the LDD to terminate the playback of a data to the device and to release any resources necessary for playback.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
This is called soon after the last pending play request from the client has been completed. Once this function had been
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
called, the LDD will not issue any further TransferData() commands without first issueing a StartTransfer() command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
void DWinsSoundScTxPdd::StopTransfer()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::StopTransfer"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
	// Signal the windows thread to stop and close the device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
	iStopSemaphore = CreateSemaphore(NULL, 0, 1, NULL);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
	PlayThreadCommand(EStop);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   661
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
	// Wait for the windows thread to stop and close the device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
	if (iStopSemaphore)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
		Emulator::Escape();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
		WaitForSingleObject(iStopSemaphore, INFINITE);  
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
		Emulator::Reenter();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   669
		__HOST_LOCK;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   670
		CloseHandle(iStopSemaphore);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   671
		iStopSemaphore = NULL;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   672
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   673
	iPendingPlay=0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   674
	iCompletedPlayBufHdrMask=0;					// Reset the completion status mask
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   675
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   676
	// Make sure the DFC is not queued.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   677
	iDfc.Cancel();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   678
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   679
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   680
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   681
Called from the LDD to halt the playback of data to the sound device but not to release any resources necessary for
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   682
playback.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   683
If possible, any active transfer should be suspended in such a way that it can be resumed later - starting from next
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   684
sample following the one last played.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   685
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   686
@return KErrNone if successful, otherwise one of the other system wide error codes.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   687
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   688
TInt DWinsSoundScTxPdd::PauseTransfer()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   689
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   690
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::PauseTransfer"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   691
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   692
	// Signal the windows thread to pause playback on the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   693
	PlayThreadCommand(EPause);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   694
	    
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   695
	return(KErrNone);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   696
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   697
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   698
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   699
Called from the LDD to resume the playback of data to the sound device following a request to halt playback.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   700
If possible, any transfer which was active when the device was halted should be resumed - starting from next sample
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   701
following the one last played. Once complete, it should be reported using PlayCallback()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   702
as normal. 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   703
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   704
@return KErrNone if successful, otherwise one of the other system wide error codes.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   705
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   706
TInt DWinsSoundScTxPdd::ResumeTransfer()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   707
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   708
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::ResumeTransfer"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   709
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   710
	// Signal the windows thread to resume playback on the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   711
	PlayThreadCommand(EResume);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   712
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   713
	return(KErrNone);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   714
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   715
			
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   716
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   717
Called from the LDD to power down the sound device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   718
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   719
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   720
void DWinsSoundScTxPdd::PowerDown()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   721
	{}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   722
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   723
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   724
Called from the LDD to handle a custom configuration request.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   725
@param aFunction A number identifying the request.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   726
@param aParam A 32-bit value passed to the driver. Its meaning depends on the request.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   727
@return KErrNone if successful, otherwise one of the other system wide error codes.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   728
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   729
TInt DWinsSoundScTxPdd::CustomConfig(TInt /*aFunction*/,TAny* /*aParam*/)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   730
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   731
	return(KErrNotSupported);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   732
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   733
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   734
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   735
Called from the LDD to find out how many microseconds of data have been played.  This is called
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   736
in the context of the DFC thread.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   737
@param aTimeTransferred	A reference to a variable into which to place the number of microseconds of audio.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   738
@param aStatus			The current status of this channel
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   739
@return KErrNone if time is valid or KErrNotSupported.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   740
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   741
TInt DWinsSoundScTxPdd::TimeTransferred(TInt64& aTimePlayed, TInt /*aStatus*/)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   742
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   743
	TInt r=KErrGeneral;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   744
	TInt64 ms=0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   745
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   746
	MMTIME time;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   747
	time.wType=TIME_BYTES;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   748
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   749
	if(iPlayDeviceHandle == 0)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   750
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   751
		// Have not started playback yet, or have stopped.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   752
		aTimePlayed = 0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   753
		return KErrNone;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   754
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   755
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   756
	// If no hardware is present then we need to simulate the amount of time that has passed during
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   757
	// playback.  The # of microseconds can be found in the iSimulatedUSecPlayed member, but this is
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   758
	// only updated when the emulation timer triggers.  To improve the accuracy of the time returned,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   759
	// we use the Windows system timer to determine the # of milliseconds that have passed since the
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   760
	// last time the timer triggered
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   761
	if(iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   762
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   763
		// Determine the # of milliseconds that have passed since the last timer triggered
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   764
		DWORD currentTime = timeGetTime();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   765
		DWORD timeSinceLastEvent = (currentTime - iLastTimerEventTime);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   766
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   767
		// If playback is paused then the Windows system timer will continue, so take this into
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   768
		// account and subtract the # of milliseconds we have been paused for
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   769
		if (iPauseTime)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   770
			timeSinceLastEvent -= (currentTime - iPauseTime);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   771
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   772
		// Clamp the resulting value to the duration of the timer, to prevent the millisecond count
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   773
		// going backwards if Windows is busy and latency becomes an issue
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   774
		if (timeSinceLastEvent > iSimulatedMsecDuration)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   775
			timeSinceLastEvent = iSimulatedMsecDuration;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   776
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   777
		// Now we know the value of the time passed down to a millisecond accuracy
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   778
		aTimePlayed = (iSimulatedUSecPlayed + (timeSinceLastEvent * 1000));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   779
		return KErrNone;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   780
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   781
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   782
	// Get the number of bytes played by the Windows audio system
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   783
	if (waveOutGetPosition(iPlayDeviceHandle,&time,sizeof(time))==MMSYSERR_NOERROR)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   784
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   785
		// If requesting the number of bytes played is not supported, wType will be
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   786
		// changed to what was actually returned, so check for this and don't continue
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   787
		// if we got anything other than bytes
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   788
		if (time.wType==TIME_BYTES)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   789
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   790
			// It's all good.  Convert the number of bytes played into microseconds and return it
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   791
			ms=((time.u.cb/iBytesPerSecond)*1000);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   792
			TUint remainder=(time.u.cb%iBytesPerSecond);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   793
			ms+=((remainder*1000)/iBytesPerSecond);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   794
			ms*=1000;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   795
			aTimePlayed=ms;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   796
			r=KErrNone;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   797
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   798
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   799
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   800
	return(r);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   801
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   802
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   803
/** 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   804
Constructor for the windows playback waveform audio buffer abstraction.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   805
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   806
TWaveformAudioBuf::TWaveformAudioBuf()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   807
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   808
	memclr(&iBufHdr,sizeof(WAVEHDR));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   809
	iIsPrepared=EFalse;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   810
	iIsInUse=EFalse;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   811
	iWaveformBufMgr=NULL;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   812
	iBufNum=0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   813
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   814
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   815
/** 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   816
Prepare the waveform audio buffer for playback or record.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   817
@param aBufAddr A pointer to the address of the waveform buffer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   818
@param aBufLength The length in bytes of the waveform buffer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   819
@param aDeviceHandle The handle to the waveform audio device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   820
*/		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   821
void TWaveformAudioBuf::Prepare(char* aBufAddr,TInt aBufLength,TInt aDeviceHandle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   822
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   823
	iBufHdr.lpData = aBufAddr;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   824
	iBufHdr.dwBufferLength = aBufLength;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   825
	iBufHdr.dwBytesRecorded = 0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   826
    iBufHdr.dwUser = iBufNum;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   827
    if (iWaveformBufMgr->iDirection==ESoundDirPlayback)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   828
		iBufHdr.dwFlags = WHDR_DONE;					// Initialise all to done so we can check for underflow.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   829
	else
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   830
		iBufHdr.dwFlags = 0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   831
    iBufHdr.dwLoops = 0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   832
    iBufHdr.lpNext = NULL;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   833
	iBufHdr.reserved = 0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   834
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   835
	if (iWaveformBufMgr->iIsHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   836
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   837
		if (iWaveformBufMgr->iDirection==ESoundDirPlayback)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   838
			DoPrepareOut((HWAVEOUT)aDeviceHandle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   839
		else
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   840
			DoPrepareIn((HWAVEIN)aDeviceHandle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   841
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   842
	iIsPrepared=ETrue;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   843
	iIsInUse=EFalse;	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   844
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   845
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   846
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   847
Cleanup the preparation performed when the waveform audio buffer was prepared for playback or record.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   848
@param aDeviceHandle The handle to the waveform audio device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   849
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   850
void TWaveformAudioBuf::Unprepare(TInt aDeviceHandle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   851
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   852
	if (iWaveformBufMgr->iIsHardware && iIsPrepared)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   853
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   854
		if (iWaveformBufMgr->iDirection==ESoundDirPlayback)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   855
			DoUnprepareOut((HWAVEOUT)aDeviceHandle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   856
		else
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   857
			DoUnprepareIn((HWAVEIN)aDeviceHandle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   858
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   859
	iIsPrepared=EFalse;	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   860
	iIsInUse=EFalse;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   861
	}	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   862
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   863
/** 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   864
Prepare the waveform audio buffer for playback.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   865
@param aPlayDeviceHandle The handle to the waveform audio output device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   866
*/		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   867
void TWaveformAudioBuf::DoPrepareOut(HWAVEOUT aPlayDeviceHandle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   868
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   869
	MMRESULT res = waveOutPrepareHeader(aPlayDeviceHandle,&iBufHdr,sizeof(WAVEHDR));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   870
	__KTRACE_SND(Kern::Printf("   waveOutPrepareHeader(BufNo:%d Pos:%x Len:%d)-%d",iBufNum,iBufHdr.lpData,iBufHdr.dwBufferLength,res));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   871
	__ASSERT_ALWAYS(res==MMSYSERR_NOERROR,Kern::Fault("DWinsSoundScTxPddWOPH", res)); //WaveOutPrepareHeader error.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   872
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   873
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   874
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   875
Cleanup the preparation performed when the waveform audio buffer was prepared for playback.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   876
@param aPlayDeviceHandle The handle to the waveform audio output device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   877
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   878
void TWaveformAudioBuf::DoUnprepareOut(HWAVEOUT aPlayDeviceHandle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   879
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   880
	MMRESULT res = waveOutUnprepareHeader(aPlayDeviceHandle,&iBufHdr,sizeof(WAVEHDR));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   881
	__KTRACE_SND(Kern::Printf("   waveOutUnprepareHeader(BufNo:%d)-%d",iBufNum,res));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   882
	__ASSERT_ALWAYS(res==MMSYSERR_NOERROR,Kern::Fault("DWinsSoundScTxPddWOUH",res)); //WaveOutUnprepareHeader error.	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   883
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   884
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   885
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   886
Constructor for the waveform audio buffer manager. 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   887
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   888
TWaveformBufMgr::TWaveformBufMgr(TSoundDirection aDirection,TBool aIsHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   889
	: iDirection(aDirection), iIsHardware(aIsHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   890
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   891
	iWaveformAudioBuf=NULL;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   892
	iNumWaveformBufs=0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   893
	iWaveformBufSize=0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   894
	iPendingBufList=NULL;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   895
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   896
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   897
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   898
Destructor for the waveform audio buffer manager.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   899
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   900
TWaveformBufMgr::~TWaveformBufMgr()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   901
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   902
	if (iWaveformAudioBuf)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   903
		delete[] iWaveformAudioBuf;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   904
	if (iPendingBufList)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   905
		delete iPendingBufList;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   906
	}	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   907
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   908
/*
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   909
Re-allocate the number of waveform audio buffers that are available for data transfer according to the
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   910
current shared chunk configuration. Then, for each buffer that exists within the shared chunk, prepare one of the waveform audio
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   911
buffers just created so that it is aligned with the shared chunk buffer. 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   912
@param aBufConfig A buffer configuration object specifying the geometry of the current shared chunk buffer configuration.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   913
@param aChunkBase The address in the kernel process for the start of the shared chunk.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   914
@param aDeviceHandle The handle to the waveform audio device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   915
@return KErrNone if successful, otherwise one of the other system wide error codes. 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   916
@pre The thread must be in a critical section.    
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   917
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   918
TInt TWaveformBufMgr::ReAllocAndUpdate(TSoundSharedChunkBufConfig* aBufConfig,TLinAddr aChunkBase,TInt aDeviceHandle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   919
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   920
	__KTRACE_SND(Kern::Printf(">TWaveformBufMgr::ReAllocAndUpdate"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   921
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   922
	// Check if the number of windows waveform audio buffers that are required has changed.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   923
	TInt required=Max(aBufConfig->iNumBuffers,KMinWaveHdrBufCount);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   924
	if (iNumWaveformBufs != required)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   925
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   926
		// The number has changed. First, re-allocate the required number of windows waveform data blocks.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   927
		if (iWaveformAudioBuf)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   928
			{			
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   929
			delete[] iWaveformAudioBuf;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   930
			iWaveformAudioBuf=NULL;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   931
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   932
			
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   933
		// If we are emulating an audio device then delete any pending buffer list previously created.	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   934
		if (!iIsHardware && iPendingBufList)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   935
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   936
			delete iPendingBufList;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   937
			iPendingBufList=NULL;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   938
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   939
		iNumWaveformBufs = 0;	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   940
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   941
		iWaveformAudioBuf=new TWaveformAudioBuf[required];
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   942
		if (!iWaveformAudioBuf)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   943
			return(KErrNoMemory);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   944
		for (TInt i=0; i<required ; i++)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   945
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   946
			iWaveformAudioBuf[i].SetWaveformBufMgr(this);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   947
			iWaveformAudioBuf[i].SetBufNum(i);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   948
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   949
			
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   950
		// If we are emulating an audio device then allocate a new pending buffer list.	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   951
		if (!iIsHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   952
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   953
			iPendingBufList=(WAVEHDR**)Kern::AllocZ((required+1)*sizeof(WAVEHDR*));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   954
			if (!iPendingBufList)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   955
				return(KErrNoMemory);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   956
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   957
		iNumWaveformBufs = required;		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   958
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   959
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   960
	// The most common situation is that request start offsets coincide with the start of one of the
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   961
	// shared chunk buffers. Hence, begin by preparing a windows waveform audio buffer for each shared chunk
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   962
	// buffer - aligned with this start address.				
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   963
	TInt* bufOffsetList=&aBufConfig->iBufferOffsetListStart;	// The buffer offset list.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   964
	for (TInt i=0; i<aBufConfig->iNumBuffers ; i++) 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   965
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   966
		char* bufAddr=(char*)(aChunkBase+bufOffsetList[i]);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   967
		iWaveformAudioBuf[i].Prepare(bufAddr,aBufConfig->iBufferSizeInBytes,aDeviceHandle); 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   968
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   969
	iWaveformBufSize=aBufConfig->iBufferSizeInBytes;		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   970
	return(KErrNone);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   971
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   972
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   973
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   974
Acquire an appropriate waveform audio buffer to be used either to send a data block to the waveform output device or
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   975
receive a data block from the waveform input device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   976
This function is always executed in windows thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   977
@param aStartAddress A pointer to the address of the data block to be played/recorded.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   978
@param aBufLength The length in bytes of the data block to be played/recorded.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   979
@param aDeviceHandle The handle to the waveform audio device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   980
@return A pointer to an appropriate waveform audio buffer to be used to transfer the data block.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   981
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   982
TWaveformAudioBuf* TWaveformBufMgr::AcquireBuf(char* aStartAddress,TInt aBufLength,TInt aDeviceHandle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   983
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   984
	// See if there's a appropriate waveform audio buffer already prepared. We only need to worry about the start address,
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   985
	// the length can be adjusted later if necessary.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   986
	TInt i;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   987
	for (i=0; i<iNumWaveformBufs ; i++)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   988
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   989
		if (iWaveformAudioBuf[i].iIsPrepared && iWaveformAudioBuf[i].iBufHdr.lpData==aStartAddress && !iWaveformAudioBuf[i].iIsInUse)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   990
			break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   991
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   992
	if (i>=iNumWaveformBufs)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   993
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   994
		// None already prepared which are appropriate so prepare one now. See if there are any not yet prepared.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   995
		for (i=0; i<iNumWaveformBufs ; i++)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   996
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   997
			if (!iWaveformAudioBuf[i].iIsPrepared)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   998
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   999
				iWaveformAudioBuf[i].Prepare(aStartAddress,aBufLength,aDeviceHandle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1000
				break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1001
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1002
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1003
			
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1004
		// All are prepared already so we need to re-prepare one specially.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1005
		if (i>=iNumWaveformBufs)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1006
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1007
			for (i=0; i<iNumWaveformBufs ; i++)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1008
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1009
				if (!iWaveformAudioBuf[i].iIsInUse)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1010
					{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1011
					iWaveformAudioBuf[i].Unprepare(aDeviceHandle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1012
					iWaveformAudioBuf[i].Prepare(aStartAddress,aBufLength,aDeviceHandle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1013
					break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1014
					}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1015
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1016
			__ASSERT_ALWAYS(i>=0,PANIC());
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1017
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1018
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1019
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1020
	__KTRACE_SND(Kern::Printf("<TWaveformBufMgr:AcquireBuf - BufNo:%d",i));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1021
	iWaveformAudioBuf[i].iIsInUse=ETrue;	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1022
	return(&iWaveformAudioBuf[i]);	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1023
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1024
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1025
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1026
The waveform output callback function to handle data block transfer completion.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1027
This function is always executed in windows thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1028
@param aHdr A pointer to the header for the waveform audio buffer just transferred.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1029
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1030
void DWinsSoundScTxPdd::WaveOutProc(WAVEHDR* aHdr)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1031
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1032
	TInt waveBufId=aHdr->dwUser;				// Work out which waveform audio buffer is completing.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1033
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1034
	StartOfInterrupt();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1035
	iCompletedPlayBufHdrMask|=(1<<waveBufId);	// Update the completion status mask
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1036
	iDfc.Add();									// Queue PlayDfc().
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1037
	EndOfInterrupt();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1038
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1039
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1040
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1041
The DFC used to handle data block transfer completion.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1042
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1043
@param aPtr A pointer to the physical channel object.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1044
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1045
void DWinsSoundScTxPdd::PlayDfc(TAny* aPtr)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1046
	{	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1047
	TInt i;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1048
	DWinsSoundScTxPdd& drv=*(DWinsSoundScTxPdd*)aPtr;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1049
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1050
	// More than 1 transfer may have completed so loop until all completions are handled
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1051
	while (drv.iCompletedPlayBufHdrMask)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1052
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1053
		// Find the buffer ID of the next transfer that has completed
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1054
		for (i=0 ; i<32 && !(drv.iCompletedPlayBufHdrMask&(1<<i)) ; i++) {}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1055
		__ASSERT_ALWAYS(i<drv.iWaveformBufMgr->iNumWaveformBufs,PANIC());
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1056
		__e32_atomic_and_ord32(&drv.iCompletedPlayBufHdrMask, ~(1u<<i)); // Clear this bit in the mask
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1057
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1058
		// Update the status of the waveform audio buffer which is completing
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1059
		TWaveformAudioBuf& buf=drv.iWaveformBufMgr->iWaveformAudioBuf[i];
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1060
		buf.iIsInUse=EFalse;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1061
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1062
		// Callback the LDD passing the information for the transfer that has completed
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1063
		drv.iPendingPlay--;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1064
		__KTRACE_SND(Kern::Printf("   Write complete(BufNo:%x Pos:%x Len:%d)",i,buf.iBufHdr.lpData,buf.iBufHdr.dwBufferLength));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1065
		drv.Ldd()->PlayCallback(buf.iTransferID,KErrNone,buf.iBufHdr.dwBufferLength);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1066
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1067
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1068
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1069
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1070
Issue a request from the driver thread to the windows thread to execute a command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1071
@param aCommand The identifier of the command to be executed.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1072
@param aArg0 A first command argument, its meaning depends on the command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1073
@param aArg1 A second command argument, its meaning depends on the command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1074
@param aArg2 A third command argument, its meaning depends on the command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1075
This function is always executed in driver thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1076
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1077
void DWinsSoundScTxPdd::PlayThreadCommand(TThreadCommand aCommand,TInt aArg0,TInt aArg1,TInt aArg2)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1078
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1079
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd:PlayThreadCommand"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1080
	iPlayCommand = aCommand;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1081
	iPlayCommandArg0 = aArg0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1082
	iPlayCommandArg1 = aArg1;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1083
	iPlayCommandArg2 = aArg2;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1084
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1085
	__HOST_LOCK;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1086
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1087
	ReleaseSemaphore(iPlayThreadSem,1,NULL);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1088
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1089
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1090
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1091
Pass a value from the windows thread to the driver thread.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1092
This function is always executed in windows thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1093
@param aError The value to the passed to the driver thread.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1094
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1095
void DWinsSoundScTxPdd::PlayThreadNotifyDriver(TInt aError)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1096
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1097
	iPlayThreadError = aError;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1098
	BOOL ret = ReleaseSemaphore(iDriverThreadSem,1,NULL);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1099
	__ASSERT_ALWAYS(ret == TRUE, PANIC()); //Unexpected Windows Error
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1100
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1101
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1102
#pragma warning(disable : 4702) // unreachable code
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1103
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1104
Open the waveform output device for playback. Use a default device identifier in order to select a device
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1105
capable of meeting the current audio configuration. 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1106
This function can be executed in either driver thread or windows thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1107
@pre The data member DWinsSoundScTxPdd::iSoundConfig must be setup with the current audio configuration.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1108
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1109
TInt DWinsSoundScTxPdd::OpenWaveOutDevice()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1110
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1111
	WAVEFORMATEX format;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1112
	format.wFormatTag = WAVE_FORMAT_PCM;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1113
	TUint16 bitsPerSample = 8;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1114
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1115
	switch (iSoundConfig.iEncoding)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1116
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1117
		case ESoundEncoding8BitPCM:
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1118
			break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1119
		case ESoundEncoding16BitPCM:
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1120
			bitsPerSample = 16;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1121
			break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1122
		default:
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1123
			return KErrNotSupported;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1124
		};
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1125
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1126
	TInt rateInSamplesPerSecond=RateInSamplesPerSecond(iSoundConfig.iRate);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1127
	format.nChannels = TUint16(iSoundConfig.iChannels);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1128
	format.nSamplesPerSec = rateInSamplesPerSecond;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1129
	format.nAvgBytesPerSec = rateInSamplesPerSecond * iSoundConfig.iChannels * bitsPerSample / 8;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1130
	format.nBlockAlign = TUint16(iSoundConfig.iChannels * bitsPerSample / 8);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1131
	format.wBitsPerSample = bitsPerSample;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1132
	format.cbSize = 0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1133
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1134
	MMRESULT res = MMSYSERR_NOERROR;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1135
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1136
	__COND_HOST_LOCK;		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1137
	if (iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1138
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1139
		timeBeginPeriod(KMMTimerRes);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1140
		iPlayDeviceHandle = (HWAVEOUT)1;	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1141
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1142
	else
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1143
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1144
		res = waveOutOpen(&iPlayDeviceHandle, WAVE_MAPPER, &format, (DWORD)::WaveOutProc, (DWORD)this, CALLBACK_FUNCTION);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1145
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1146
		// On some builds of Windows (such as Windows Server 2003), the waveOutGetDevCaps() trick in
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1147
		// DoCreate() won't work, so we have another special check for missing hardware here
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1148
		if ((res == MMSYSERR_NODRIVER) || (res == MMSYSERR_BADDEVICEID))
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1149
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1150
			// Pretend there was no error and switch into hardware emulation mode
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1151
			res = MMSYSERR_NOERROR;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1152
			iNoHardware = ETrue;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1153
			iPlayDeviceHandle = (HWAVEOUT)1;	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1154
			iWaveformBufMgr->iIsHardware = EFalse;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1155
			timeBeginPeriod(KMMTimerRes);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1156
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1157
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1158
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1159
	if(iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1160
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1161
		iSimulatedUSecPlayed = 0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1162
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1163
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1164
	switch (res)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1165
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1166
		case MMSYSERR_NOERROR: // No error
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1167
			return(KErrNone);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1168
		case MMSYSERR_ALLOCATED: // Specified resource is already allocated.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1169
			return(KErrInUse);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1170
		case WAVERR_BADFORMAT: // Attempted to open with an unsupported waveform-audio format
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1171
			return(KErrNotSupported);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1172
		case MMSYSERR_NOMEM: // Unable to allocate or lock memory.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1173
			return(KErrNoMemory);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1174
		default:
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1175
			return(KErrUnknown);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1176
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1177
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1178
#pragma warning(default : 4702) // unreachable code
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1179
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1180
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1181
Open the audio output device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1182
This function can be executed in either driver thread or windows thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1183
@pre The data members DWinsSoundScTxPdd::iSoundConfig and DWinsSoundScTxPdd::iVolume must be setup with the current
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1184
audio configuration.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1185
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1186
TInt DWinsSoundScTxPdd::CreatePlayDevice(TCreatePlayDeviceMode aMode)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1187
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1188
	// Check if the waveform output device is already open.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1189
	if (iPlayDeviceHandle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1190
		return(KErrNone);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1191
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1192
	WaitForSingleObjectDualThread(iPlayThreadMutex, INFINITE);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1193
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1194
	__COND_HOST_LOCK;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1195
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1196
	// Open the waveform output device for playback.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1197
	TInt err = OpenWaveOutDevice();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1198
	if (err != KErrNone)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1199
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1200
		ReleaseMutex(iPlayThreadMutex);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1201
		return(err);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1202
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1203
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1204
	__HOST_LOCK_OFF;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1205
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1206
	if (aMode==EInit && !iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1207
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1208
		// Remember the existing volume setting and use this as the default.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1209
 		waveOutGetVolume(iPlayDeviceHandle,&iWinWaveVolume);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1210
 		iVolume = iWinWaveVolume;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1211
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1212
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1213
	if (aMode==EStartTransfer)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1214
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1215
		if (!iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1216
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1217
			// Set the volume of the waveform output device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1218
			waveOutSetVolume(iPlayDeviceHandle, iVolume | (iVolume << 16));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1219
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1220
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1221
		// Now, re-allocate a set of the waveform audio blocks in advance of playing any data. Also, prepare one of these
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1222
		// for each buffer within the shared chunk. Need to be in critical section while re-allocating the audio blocks.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1223
		NKern::ThreadEnterCS();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1224
		err=iWaveformBufMgr->ReAllocAndUpdate(Ldd()->BufConfig(),Ldd()->ChunkBase(),(TInt)iPlayDeviceHandle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1225
		NKern::ThreadLeaveCS(); 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1226
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1227
	ReleaseMutex(iPlayThreadMutex);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1228
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1229
	return(err);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1230
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1231
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1232
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1233
Close down the play device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1234
This function can be executed in either driver thread or windows thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1235
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1236
void DWinsSoundScTxPdd::ClosePlayDevice()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1237
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1238
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd:ClosePlayDevice"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1239
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1240
	WaitForSingleObjectDualThread(iPlayThreadMutex, INFINITE);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1241
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1242
	HWAVEOUT handle = iPlayDeviceHandle;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1243
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1244
	__COND_HOST_LOCK;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1245
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1246
	if (iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1247
		timeEndPeriod(KMMTimerRes);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1248
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1249
	if (handle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1250
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1251
		// Stop playback on the waveout device. (Windows resets the current position to zero and marks all pending
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1252
		// playback buffers as done).
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1253
		if (!iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1254
			waveOutReset(handle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1255
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1256
		// Un-prepare all the waveform audio buffers.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1257
		for (TInt i=0 ; i<iWaveformBufMgr->iNumWaveformBufs ; i++)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1258
			iWaveformBufMgr->iWaveformAudioBuf[i].Unprepare((TInt)handle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1259
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1260
		// Close the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1261
		if (!iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1262
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1263
			waveOutSetVolume(handle,iWinWaveVolume);	// Restore the original volume setting before closing the driver.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1264
			waveOutClose(handle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1265
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1266
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1267
		iPlayDeviceHandle = NULL;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1268
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1269
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1270
	ReleaseMutex(iPlayThreadMutex);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1271
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1272
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1273
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1274
The thread function for the play windows thread.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1275
This function is always executed in windows thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1276
@pre The data members DWinsSoundScTxPdd::iSoundConfig and DWinsSoundScTxPdd::iVolume must be setup with the current
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1277
audio configuration.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1278
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1279
void DWinsSoundScTxPdd::PlayThread()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1280
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1281
	iPlayThreadSem = CreateSemaphore(NULL,0,0x7FFFFFFF,NULL);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1282
	iPlayTimerEvent = CreateEvent(NULL,TRUE, FALSE, NULL);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1283
	iPlayThreadMutex = CreateMutex(NULL,FALSE,NULL);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1284
	__ASSERT_ALWAYS(iPlayThreadSem && iPlayTimerEvent, PANIC());  //no windows memory
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1285
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1286
	HANDLE objects[2];
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1287
	objects[0] = iPlayThreadSem;		// Indicates command from driver thread
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1288
	objects[1] = iPlayTimerEvent;		// Indicates timer gone off
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1289
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1290
	// Open the play device, then close it again. This is so we can return an error early to the client
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1291
	// if there is a problem.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1292
	TInt ret = CreatePlayDevice(EInit);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1293
	if (ret != KErrNone)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1294
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1295
		PlayThreadNotifyDriver(ret);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1296
		return;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1297
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1298
	ClosePlayDevice();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1299
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1300
	// Signal driver of successful setup
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1301
	PlayThreadNotifyDriver(KErrNone);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1302
	ResetEvent(iPlayTimerEvent);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1303
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1304
	// Wait for the timer to expire or a command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1305
	FOREVER
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1306
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1307
		DWORD ret = WaitForMultipleObjectsEx(2,objects,FALSE,INFINITE,TRUE);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1308
		__KTRACE_SND(Kern::Printf("   PlayThread resumed"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1309
		switch (ret)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1310
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1311
			case WAIT_OBJECT_0:	// Command received from the driver thread.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1312
				if (ProcessPlayCommand(iPlayCommand,iPlayCommandArg0,iPlayCommandArg1,iPlayCommandArg2)==KErrCompletion)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1313
					return; // ********* Exit thread **************
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1314
				break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1315
			case WAIT_OBJECT_0+1:
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1316
				HandlePlayTimerEvent();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1317
				break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1318
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1319
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1320
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1321
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1322
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1323
Process a request from the driver thread to execute a command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1324
This function is always executed in windows thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1325
@param aCommand The identifier of the command to be executed.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1326
@param aArg0 A first command argument, its meaning depends on the command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1327
@param aArg1 A second command argument, its meaning depends on the command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1328
@param aArg2 A third command argument, its meaning depends on the command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1329
@return KErrCompletion if the command to exit the windows thread has been received;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1330
		KErrNone otherwise;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1331
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1332
TInt DWinsSoundScTxPdd::ProcessPlayCommand(TThreadCommand aCommand,TInt aArg0,TInt aArg1,TInt aArg2)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1333
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1334
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd:ProcessPlayCommand(%d)",aCommand));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1335
	switch(aCommand)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1336
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1337
		case ESendData:	// Initiate the playback of a buffers worth of data to the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1338
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1339
			// Acquire a windows waveform audio buffer for the transfer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1340
			char* startAddress=(char*)aArg1;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1341
			TInt bytesToPlay=aArg2; 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1342
			__ASSERT_ALWAYS(bytesToPlay>0,PANIC());
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1343
			TWaveformAudioBuf* waveformAudioBuf=iWaveformBufMgr->AcquireBuf(startAddress,bytesToPlay,(TInt)iPlayDeviceHandle);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1344
			waveformAudioBuf->iTransferID=(TUint)aArg0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1345
			waveformAudioBuf->iBufHdr.dwBufferLength=bytesToPlay;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1346
			
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1347
			if (!iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1348
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1349
				// This machine has a waveout device present. Send the buffer to the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1350
				waveformAudioBuf->iBufHdr.dwFlags &= ~WHDR_DONE;	// Clear the done flag
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1351
				MMRESULT res = waveOutWrite(iPlayDeviceHandle,&waveformAudioBuf->iBufHdr,sizeof(WAVEHDR));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1352
				__KTRACE_SND(Kern::Printf("   WaveOutWrite(ID:%x Pos:%x Len:%d)-%d",aArg0,aArg1,aArg2,res));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1353
				__ASSERT_ALWAYS(res == MMSYSERR_NOERROR,PANIC()); // WaveOutWrite Error	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1354
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1355
			else 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1356
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1357
				// This machine has no audio hardware present so simulate the waveout device using a timer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1358
				AddToPendingList(&waveformAudioBuf->iBufHdr,iWaveformBufMgr->iPendingBufList);		// Queue the buffer on the pending list
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1359
				
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1360
				// Check if the timer needs starting/re-starting
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1361
				if (!iTimerActive)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1362
					{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1363
					iLastTimerEventTime = timeGetTime();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1364
					StartTimer(&waveformAudioBuf->iBufHdr);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1365
					}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1366
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1367
			
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1368
			// Signal the driver thread that we have started playing the next buffer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1369
			PlayThreadNotifyDriver(KErrNone);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1370
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1371
			break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1372
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1373
			
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1374
		case EStop:	// Terminate the playing of data to the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1375
			if (iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1376
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1377
				// This machine has no audio hardware present so simulates the waveout device using a timer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1378
				StopTimer(ETrue);	// Stop the timer and cancel any buffers pending
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1379
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1380
			ClosePlayDevice();		// Close down the play device.	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1381
			
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1382
			// Signal the driver thread that we have completed the command.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1383
			if (iStopSemaphore)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1384
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1385
				LONG prev;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1386
				ReleaseSemaphore(iStopSemaphore,1,&prev);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1387
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1388
			break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1389
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1390
		case EExit:	// Close down the play device and exit the windows thread.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1391
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1392
			if (!iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1393
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1394
				// This machine has a waveout device present.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1395
				if (iPlayDeviceHandle)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1396
					{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1397
					waveOutReset(iPlayDeviceHandle);   					// Stop playback on the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1398
					waveOutSetVolume(iPlayDeviceHandle,iWinWaveVolume);	// Restore the original volume setting before closing the driver.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1399
					waveOutClose(iPlayDeviceHandle);					// Close the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1400
					}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1401
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1402
			else
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1403
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1404
				// This machine has no audio hardware present so simulates the waveout device using a timer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1405
				StopTimer(ETrue);	// Stop the timer and cancel any buffers pending
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1406
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1407
			// Logically the playback device is now shut so clear the handle.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1408
			iPlayDeviceHandle = 0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1409
				
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1410
			// Signal the driver thread that we have completed the command.	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1411
			if (iDeathSemaphore)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1412
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1413
				LONG prev;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1414
				ReleaseSemaphore(iDeathSemaphore,1,&prev);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1415
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1416
			return(KErrCompletion); 		// ********* Exit thread **************
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1417
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1418
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1419
		case EPause:	// Halt the playback of data to the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1420
			if (!iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1421
				waveOutPause(iPlayDeviceHandle); // Pause playback on the waveout device. Windows saves current position.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1422
			else
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1423
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1424
				StopTimer(EFalse);				 // Just stop the timer. Don't cancel any pending buffers.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1425
				iPauseTime = timeGetTime();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1426
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1427
			break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1428
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1429
		case EResume:	// Resume the playback of data to the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1430
			if (!iNoHardware)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1431
				waveOutRestart(iPlayDeviceHandle);	// Resume playback on the waveout device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1432
			else
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1433
				{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1434
				// Check if there are more audio buffers waiting to be resumed
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1435
				WAVEHDR* buf=iWaveformBufMgr->iPendingBufList[0];
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1436
				if (buf)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1437
					{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1438
					// Before restarting the emulation timer, determine how long we were paused for and
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1439
					// add that time to the time the timer last triggered.  This will allow us to continue
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1440
					// as though we had never been paused
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1441
					DWORD currentTime = timeGetTime();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1442
					iLastTimerEventTime += (currentTime - iPauseTime);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1443
					iPauseTime = 0;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1444
					StartTimer(buf);			// Re-start the timer
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1445
					}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1446
				}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1447
			break;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1448
		} 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1449
	return(KErrNone);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1450
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1451
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1452
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1453
Handle a timer expiry event. This is only used when no audio hardware is present, with a timer expiry corresponding
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1454
to the end of a data block transfer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1455
This function is always executed in windows thread context.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1456
*/
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1457
void DWinsSoundScTxPdd::HandlePlayTimerEvent()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1458
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1459
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd:HandlePlayTimerEvent"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1460
	ResetEvent(iPlayTimerEvent);	// Reset the event 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1461
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1462
	iSimulatedUSecPlayed += (1000 * iSimulatedMsecDuration);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1463
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1464
	// Remove the audio buffer just completed from the pending list and save it for the driver thread.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1465
	WAVEHDR* buf=RemoveFromPendingList(iWaveformBufMgr->iPendingBufList);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1466
	__ASSERT_ALWAYS(buf != NULL,PANIC());	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1467
	TInt waveBufId=buf->dwUser;					// Work out which waveform audio buffer is completing.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1468
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1469
	// Check if there are more audio buffers waiting to be played
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1470
	buf=iWaveformBufMgr->iPendingBufList[0];
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1471
	if (buf)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1472
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1473
		iLastTimerEventTime = timeGetTime();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1474
		StartTimer(buf);						// Re-start the timer
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1475
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1476
	else
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1477
		iTimerActive=EFalse;	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1478
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1479
	// Notify that another audio buffer has been completed.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1480
	StartOfInterrupt();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1481
	iCompletedPlayBufHdrMask|=(1<<waveBufId);	// Update the completion status mask
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1482
	iDfc.Add();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1483
	EndOfInterrupt();
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1484
	return;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1485
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1486
			
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1487
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1488
Initialise the data member DWinsSoundScTxPdd::iCaps with the capabilities of this audio device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1489
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1490
void DWinsSoundScTxPdd::SetCaps()
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1491
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1492
	__KTRACE_SND(Kern::Printf(">DWinsSoundScTxPdd::SetCaps"));
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1493
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1494
	// The data transfer direction for this unit is play.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1495
	iCaps.iDirection=ESoundDirPlayback;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1496
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1497
	// Assume this unit supports mono or stereo.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1498
	iCaps.iChannels=KSoundMonoChannel|KSoundStereoChannel;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1499
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1500
	// Assume this unit supports all sample rates.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1501
	iCaps.iRates=(KSoundRate7350Hz|KSoundRate8000Hz|KSoundRate8820Hz|KSoundRate9600Hz|KSoundRate11025Hz|
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1502
				  KSoundRate12000Hz|KSoundRate14700Hz|KSoundRate16000Hz|KSoundRate22050Hz|KSoundRate24000Hz|
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1503
				  KSoundRate29400Hz|KSoundRate32000Hz|KSoundRate44100Hz|KSoundRate48000Hz);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1504
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1505
	// Assume this unit supports 8bit and 16bit PCM encoding.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1506
	iCaps.iEncodings=(KSoundEncoding8BitPCM|KSoundEncoding16BitPCM);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1507
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1508
	// This unit only supports interleaved data format
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1509
	iCaps.iDataFormats=KSoundDataFormatInterleaved;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1510
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1511
	// The minimum request size that the device can support. 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1512
	iCaps.iRequestMinSize=0;	// No restriction
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1513
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1514
	// The request alignment that this device requires. 
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1515
	iCaps.iRequestAlignment=0;	// No restriction
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1516
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1517
	// This unit is not capable of detecting changes in hardware configuration.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1518
	iCaps.iHwConfigNotificationSupport=EFalse;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1519
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1520
	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1521
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1522
Start the audio timer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1523
The timer is only used when no audio hardware is present on the machine. This is in order to introduce a delay which is
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1524
equivelent to that incurred when transferring audio data over a real audio device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1525
@param aBuffer The audio buffer which would have been transferred had a real audio device been present. This contains
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1526
	information on the number of bytes to transfer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1527
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1528
void DWinsSoundScTxPdd::StartTimer(WAVEHDR* aBuffer)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1529
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1530
	// First, need to calculate the duration of the timer in milliseconds.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1531
	TInt bytesToPlay=aBuffer->dwBufferLength;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1532
	iSimulatedMsecDuration = bytesToPlay*1000;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1533
	iSimulatedMsecDuration /= (RateInSamplesPerSecond(iSoundConfig.iRate) * iSoundConfig.iChannels);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1534
	if (iSoundConfig.iEncoding==ESoundEncoding16BitPCM)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1535
		iSimulatedMsecDuration /= 2;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1536
	if (iSoundConfig.iEncoding==ESoundEncoding24BitPCM)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1537
		iSimulatedMsecDuration /= 3;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1538
	if (iSimulatedMsecDuration<=0)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1539
		iSimulatedMsecDuration=1;	// Round up to 1ms or timeSetEvent() will return an error.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1540
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1541
	// If we have been paused and are now restarting, determine the amount of time that we were paused
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1542
	// and subtract that from the time until the next timer trigger.  If this is not done then the time
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1543
	// played or recorded will not be calculated correctly
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1544
	DWORD pauseTime = (timeGetTime() - iLastTimerEventTime);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1545
	MMRESULT res = timeSetEvent((iSimulatedMsecDuration - pauseTime), KMMTimerRes, (LPTIMECALLBACK)iPlayTimerEvent, 0, TIME_ONESHOT | TIME_CALLBACK_EVENT_SET);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1546
	__ASSERT_ALWAYS(res != NULL,PANIC()); 	// timeSetEvent error.	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1547
	iTimerID = res;							// Save the identifier for the new timer event.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1548
	iTimerActive=ETrue;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1549
	}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1550
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1551
/**
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1552
Stop the audio timer.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1553
The timer is only used when no audio hardware is present on the machine. This is in order to introduce a delay which is
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1554
equivelent to that incurred when transferring audio data over a real audio device.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1555
@param aCancellAll Set to ETrue in order to discard any buffers queued on the pending buffer list. EFalse otherwise.
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1556
*/	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1557
void DWinsSoundScTxPdd::StopTimer(TBool aCancelAll)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1558
	{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1559
	if (iTimerActive)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1560
		{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1561
		MMRESULT res = timeKillEvent(iTimerID);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1562
		__ASSERT_ALWAYS(res == TIMERR_NOERROR,PANIC()); // timeKillEvent error	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1563
		
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1564
		if (aCancelAll)
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1565
			{
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1566
			WAVEHDR* b;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1567
			do
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1568
				b=RemoveFromPendingList(iWaveformBufMgr->iPendingBufList);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1569
			while(b);
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1570
			}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1571
		}
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1572
	iTimerActive=EFalse;
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1573
	}	
cec860690d41 Revision: 201005
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1574