--- a/devsound/devsoundpluginsupport/src/CustomInterfaces/CMMFDevSoundCIBitRate.cpp Thu Jun 24 10:37:45 2010 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,459 +0,0 @@
-/*
-* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-
-#include "cmmfdevsoundcibitrateimplementationuid.hrh"
-
-#include <ecom/implementationproxy.h>
-#include <ecom/ecom.h>
-#include <s32mem.h>
-
-#include "cmmfdevsoundcibitrate.h"
-
-// __________________________________________________________________________
-// Implementation
-
-////////////////////////////////////////// MUX /////////////////////
-
-TInt CMMFDevSoundCIBitRateMux::OpenInterface(TUid /*aInterfaceId*/)
- {
- // attempt to open the interface link with the
- // remote slave device
- iRemoteHandle = -1;
- TUid slaveId = {KMmfUidCustomInterfaceBitRateDeMux};
-
- TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);
- if (handle >= 0)
- {
- iRemoteHandle = handle;
- }
-
- return iRemoteHandle;
- }
-
-void CMMFDevSoundCIBitRateMux::Release()
- {
- // close the slave device if it exists
- if (iRemoteHandle != -1)
- {
- // we assume the slave is closed correctly
- iUtility->CloseSlave(iRemoteHandle);
- }
-
- TUid key = iKey;
- delete this;
-
- // tell ECom to destroy us
- REComSession::DestroyedImplementation(key);
- }
-
-void CMMFDevSoundCIBitRateMux::PassDestructorKey(TUid aDestructorKey)
- {
- // store the destructor key
- iKey = aDestructorKey;
- }
-
-void CMMFDevSoundCIBitRateMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)
- {
- // store a pointer to the utility
- iUtility = aCustomUtility;
- }
-
-MMMFDevSoundCustomInterfaceMuxPlugin* CMMFDevSoundCIBitRateMux::NewL()
- {
- CMMFDevSoundCIBitRateMux* self = new (ELeave) CMMFDevSoundCIBitRateMux;
- return self;
- }
-
-TAny* CMMFDevSoundCIBitRateMux::CustomInterface(TUid /*aInterfaceId*/)
- {
- MMMFDevSoundCustomInterfaceBitRate* interface = this;
- return interface;
- }
-
-CMMFDevSoundCIBitRateMux::CMMFDevSoundCIBitRateMux() :
- iRemoteHandle(-1)
- {
- }
-
-CMMFDevSoundCIBitRateMux::~CMMFDevSoundCIBitRateMux()
- {
- }
-
-// from MMMFDevSoundCustomInterfaceBitRate
-void CMMFDevSoundCIBitRateMux::GetSupportedBitRatesL(RArray<TInt>& aSupportedBitRates)
- {
- if (iRemoteHandle == -1)
- {
- User::Leave(KErrNotReady);
- }
-
- // first clear out the array
- aSupportedBitRates.Reset();
-
- // now fetch the count from the server
- TInt count = -1;
- count = iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIBitRateGetSupportedBitRates, KNullDesC8);
-
- // if count is negative then the server side left with an error
- if (count < 0)
- {
- User::Leave(count);
- }
-
- // no point getting the data if the count is zero
- if (count != 0)
- {
- // allocate a temporary buffer to hold the bitrates
- HBufC8* buf = HBufC8::NewLC(count * sizeof(TInt32));
- TPtr8 ptr = buf->Des();
-
- // fetch the bitrates - but send over the received count to be sure
- TPckgBuf<TInt> countBuf(count);
- User::LeaveIfError(iUtility->SendSlaveSyncCommandResult(
- iRemoteHandle,
- EMMFDevSoundCIBitRateGetSupportedBitRatesArray,
- countBuf, ptr));
-
- // stream data into the pointer
- RDesReadStream stream(ptr);
- CleanupClosePushL(stream);
-
- TInt err = KErrNone;
- for (TInt i = 0; i < count; i++)
- {
- // note we don't destroy array because we don't own it
- // but we do reset it as it is incomplete
- err = aSupportedBitRates.Append(stream.ReadInt32L());
- if (err != KErrNone)
- {
- aSupportedBitRates.Reset();
- User::Leave(KErrCorrupt);
- }
- }
-
- CleanupStack::PopAndDestroy(2, buf);// stream, buf
- }
- }
-
-TInt CMMFDevSoundCIBitRateMux::BitRateL()
- {
- if (iRemoteHandle == -1)
- {
- User::Leave(KErrNotReady);
- }
-
- // send EMMFDevSoundCIBitRateBitRate command to slave
- TInt bitrate = 0;
- bitrate = iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIBitRateBitRate, KNullDesC8);
-
- // if bitrate is negative then remote side left with an error
- if (bitrate < 0)
- {
- User::Leave(bitrate);
- }
-
- return bitrate;
- }
-
-void CMMFDevSoundCIBitRateMux::SetBitRateL(TInt aBitRate)
- {
- if (iRemoteHandle == -1)
- {
- User::Leave(KErrNotReady);
- }
-
- // send the bitrate in the sync command
- TPckgBuf<TInt> bitBuffer(aBitRate);
-
- // any return code other than zero is an error
- User::LeaveIfError(iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIBitRateSetBitRate, bitBuffer));
- }
-
-/////////////////////////////////////// DEMUX //////////////////////
-
-
-TInt CMMFDevSoundCIBitRateDeMux::OpenInterface(TUid /*aInterfaceId*/)
- {
- return KErrNone;
- }
-
-void CMMFDevSoundCIBitRateDeMux::Release()
- {
- TUid key = iKey;
-
- delete this;
-
- // tell ECom to destroy us
- REComSession::DestroyedImplementation(key);
- }
-
-void CMMFDevSoundCIBitRateDeMux::PassDestructorKey(TUid aDestructorKey)
- {
- // store the destructor key
- iKey = aDestructorKey;
- }
-
-void CMMFDevSoundCIBitRateDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
- {
- iTarget = aTarget;
- }
-
-void CMMFDevSoundCIBitRateDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)
- {
- // store a pointer to the utility
- iUtility = aCustomUtility;
- }
-
-void CMMFDevSoundCIBitRateDeMux::RefreshL()
- {
- // refetch the bitrate custom interface if we already have a target
- if (iTarget)
- {
- MMMFDevSoundCustomInterfaceBitRate* ptr = NULL;
- ptr = static_cast <MMMFDevSoundCustomInterfaceBitRate*> (iTarget->CustomInterface(KUidCustomInterfaceDevSoundBitRate));
-
- if (!ptr)
- {
- iBitRateInterface = NULL;
- User::Leave(KErrNotSupported);
- }
- else
- {
- iBitRateInterface = ptr;
- }
- }
- }
-
-
-MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFDevSoundCIBitRateDeMux::NewL()
- {
- CMMFDevSoundCIBitRateDeMux* self = new (ELeave) CMMFDevSoundCIBitRateDeMux;
- return self;
- }
-
-CMMFDevSoundCIBitRateDeMux::CMMFDevSoundCIBitRateDeMux()
- {
-
- }
-
-CMMFDevSoundCIBitRateDeMux::~CMMFDevSoundCIBitRateDeMux()
- {
- iBitRateArray.Reset();
- iBitRateArray.Close();
- }
-
-
-TInt CMMFDevSoundCIBitRateDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
- {
- // fetch the bitrate custom interface
- MMMFDevSoundCustomInterfaceBitRate* ptr = NULL;
- ptr = static_cast <MMMFDevSoundCustomInterfaceBitRate*> (iTarget->CustomInterface(KUidCustomInterfaceDevSoundBitRate));
-
- if (!ptr)
- {
- iBitRateInterface = NULL;
- User::Leave(KErrNotSupported);
- }
- else
- {
- iBitRateInterface = ptr;
- }
- return KErrNone;
- }
-
-void CMMFDevSoundCIBitRateDeMux::DoCloseSlaveL(TInt /*aHandle*/)
- {
- // nothing to do
- }
-
-// original RMessage is supplied so that remote demux plugin can extract necessary details
-// using DeMux utility
-TInt CMMFDevSoundCIBitRateDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)
- {
- TMMFDevSoundCIMessageData data;
-
- // decode message
- iUtility->GetSyncMessageDataL(aMessage, data);
- TInt retVal = -1;
-
- switch (data.iCommand)
- {
- case EMMFDevSoundCIBitRateBitRate:
- {
- retVal = DoBitRateL();
- break;
- }
- case EMMFDevSoundCIBitRateSetBitRate:
- {
- // we know that offset 2 contains a TInt
- TPckgBuf<TInt> bitBuffer;
- iUtility->ReadFromInputDesL(aMessage, &bitBuffer);
-
- DoSetBitRateL(bitBuffer());
- retVal = KErrNone;
- break;
- }
- case EMMFDevSoundCIBitRateGetSupportedBitRates:
- {
- // reset the current bitrate array
- iBitRateArray.Reset();
- DoGetSupportedBitRatesL(iBitRateArray);
-
- // send back the array count
- TInt count = iBitRateArray.Count();
- retVal = count;
- break;
- }
- default:
- {
- User::Leave(KErrNotSupported);
- }
- }
-
- return retVal;
- }
-
-TInt CMMFDevSoundCIBitRateDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)
- {
- TMMFDevSoundCIMessageData data;
-
- // decode message
- iUtility->GetSyncMessageDataL(aMessage, data);
-
- switch (data.iCommand)
- {
- case EMMFDevSoundCIBitRateGetSupportedBitRatesArray:
- {
- DoCopyBitRateBufferToClientL(aMessage);
- break;
- }
- default:
- {
- User::Leave(KErrNotSupported);
- }
- }
- return KErrNone;
- }
-
-void CMMFDevSoundCIBitRateDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)
- {
- // not used in this interface
- }
-
-void CMMFDevSoundCIBitRateDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
- {
- // not used in this interface
- }
-
-// bitrate custom interface implementation
-void CMMFDevSoundCIBitRateDeMux::DoGetSupportedBitRatesL(RArray<TInt>& aSupportedBitRates)
- {
- if (!iBitRateInterface)
- {
- User::Leave(KErrNotReady);
- }
-
- iBitRateInterface->GetSupportedBitRatesL(aSupportedBitRates);
- }
-
-
-void CMMFDevSoundCIBitRateDeMux::DoCopyBitRateBufferToClientL(const RMmfIpcMessage& aMessage)
- {
- if (!iBitRateInterface)
- {
- User::Leave(KErrNotReady);
- }
-
- // check our count is the same as the client's
- TPckgBuf<TInt> countBuffer;
- iUtility->ReadFromInputDesL(aMessage, &countBuffer);
-
- TInt count = countBuffer();
- if (count != iBitRateArray.Count())
- {
- User::Leave(KErrCorrupt);
- }
-
- // send back the array - the client has the count already
- const TInt KBufExpandSize8 = 8; //two TInt's
- CBufFlat* dataCopyBuffer = CBufFlat::NewL(KBufExpandSize8);
- CleanupStack::PushL(dataCopyBuffer);
- RBufWriteStream stream;
- stream.Open(*dataCopyBuffer);
- CleanupClosePushL(stream);
-
- for (TInt i = 0; i < count; i++)
- {
- stream.WriteInt32L(iBitRateArray[i]);
- }
-
- // write the data to the supplied descriptor buffer
- TPtr8 ptrBuf = dataCopyBuffer->Ptr(0);
- iUtility->WriteToOutputDesL(aMessage, ptrBuf);
- stream.Close();
-
- CleanupStack::PopAndDestroy(2); // iDataCopyBuffer, stream
- }
-
-
-TInt CMMFDevSoundCIBitRateDeMux::DoBitRateL()
- {
- if (!iBitRateInterface)
- {
- User::Leave(KErrNotReady);
- }
- return iBitRateInterface->BitRateL();
- }
-
-void CMMFDevSoundCIBitRateDeMux::DoSetBitRateL(TInt aBitRate)
- {
- if (!iBitRateInterface)
- {
- User::Leave(KErrNotReady);
- }
-
- // set the bitrate
- iBitRateInterface->SetBitRateL(aBitRate);
- }
-
-
-
-//
-// ImplementationTable
-//
-
-const TImplementationProxy ImplementationTable[] =
- {
- IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceBitRateMux, CMMFDevSoundCIBitRateMux::NewL),
- IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceBitRateDeMux, CMMFDevSoundCIBitRateDeMux::NewL),
- };
-
-
-//
-// ImplementationGroupProxy
-//
-////////////////////////////////////////////////////////////////////////////////
-
-EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
- {
- aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
-
- return ImplementationTable;
- }
-
-