--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/devsoundpluginsupport/src/CustomInterfaces/aacdecoderconfigci.cpp Fri Oct 08 19:40:43 2010 +0100
@@ -0,0 +1,463 @@
+// Copyright (c) 2007-2009 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 <ecom/implementationproxy.h>
+#include <ecom/implementationproxy.h>
+#include <ecom/ecom.h>
+#include <s32mem.h>
+
+#include "aacdecoderconfigci.h"
+
+
+// MUX //
+
+TInt CMMFAacDecoderConfigMux::OpenInterface(TUid /*aInterfaceId*/)
+ {
+ // attempt to open the interface link with the
+ // remote slave device
+ iRemoteHandle = -1;
+ TUid slaveId = {KMmfUidCustomInterfaceAacDecoderConfigDeMux};
+
+ TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);
+ if (handle >= 0)
+ {
+ iRemoteHandle = handle;
+ }
+
+ return iRemoteHandle;
+ }
+
+
+void CMMFAacDecoderConfigMux::Release()
+ {
+ // close the slave device if it exists
+ if (iRemoteHandle > 0)
+ {
+ // we assume the slave is closed correctly
+ iUtility->CloseSlave(iRemoteHandle);
+ }
+
+ TUid key = iKey;
+ delete this;
+
+ // tell ECom to destroy us
+ REComSession::DestroyedImplementation(key);
+ }
+
+
+void CMMFAacDecoderConfigMux::PassDestructorKey(TUid aDestructorKey)
+ {
+ // store the destructor key
+ iKey = aDestructorKey;
+ }
+
+
+void CMMFAacDecoderConfigMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)
+ {
+ // store a pointer to the utility
+ iUtility = aCustomUtility;
+ }
+
+
+MMMFDevSoundCustomInterfaceMuxPlugin* CMMFAacDecoderConfigMux::NewL()
+ {
+ CMMFAacDecoderConfigMux* self = new (ELeave) CMMFAacDecoderConfigMux;
+ return self;
+ }
+
+
+TAny* CMMFAacDecoderConfigMux::CustomInterface(TUid /*aInterfaceId*/)
+ {
+ MAacDecoderConfig* interface = this;
+ return interface;
+ }
+
+
+CMMFAacDecoderConfigMux::CMMFAacDecoderConfigMux() :
+iRemoteHandle(-1)
+ {
+ }
+
+
+CMMFAacDecoderConfigMux::~CMMFAacDecoderConfigMux()
+ {
+ }
+
+
+// from MAacDecoderConfig
+TInt CMMFAacDecoderConfigMux::SetAudioConfig(TAudioConfig& aAudioConfig)
+ {
+ TInt result = -1;
+
+ if (iRemoteHandle > 0)
+ {
+ // send the status in the sync command
+ TPckgBuf<TAudioConfig> audioConfig(aAudioConfig);
+
+ // any return code other than zero is an error
+ result = iUtility->SendSlaveSyncCommand(iRemoteHandle,
+ EMMFDevSoundCIAacDecoderConfigSetAudioConfig,
+ audioConfig);
+ }
+
+ return result;
+ }
+
+
+// from MAacDecoderConfig
+TInt CMMFAacDecoderConfigMux::GetSupportedAudioConfigs(RArray<TAudioConfig>& aSupportedAudioConfigs)
+ {
+ TInt result = KErrNone;
+
+ if (iRemoteHandle == -1)
+ {
+ return KErrBadHandle;
+ }
+
+ // first clear out the array
+ aSupportedAudioConfigs.Reset();
+
+ // now fetch the count from the server
+ TInt count = -1;
+ count = iUtility->SendSlaveSyncCommand(iRemoteHandle,
+ EMMFDevSoundCIAacDecoderConfigGetSupportedAudioConfig,
+ KNullDesC8);
+
+ // if count is negative then the server side left with an error
+ if (count < 0)
+ {
+ result = KErrNotReady;
+ }
+
+ // no point getting the data if the count is zero
+ if ( (count != 0) && (result == KErrNone) )
+ {
+ // allocate a temporary buffer to hold the audio configuration
+ HBufC8* buf = NULL;
+ TRAP(result, buf = HBufC8::NewL(count * sizeof(TAudioConfig)));
+
+ if (result != KErrNone)
+ {
+ return result;
+ }
+
+ TPtr8 ptr = buf->Des();
+
+ // fetch the audio configurations - but send over the received count to be sure
+ TPckgBuf<TInt> countBuf(count);
+ iUtility->SendSlaveSyncCommandResult(iRemoteHandle,
+ EMMFDevSoundCIAacDecoderConfigGetSupportedAudioConfigArray,
+ countBuf,
+ ptr);
+
+ if (result != KErrNone)
+ {
+ return result;
+ }
+
+ // stream data into the pointer
+ RDesReadStream stream(ptr);
+
+ TInt err = KErrNone;
+ for (TInt i = 0; i < count; i++)
+ {
+ TAudioConfig audioConfig;
+
+ TRAP(result, audioConfig.iAudioObjectType = static_cast<TAudioConfig::TAudioObjectType>(stream.ReadInt32L());
+
+ err = aSupportedAudioConfigs.Append(audioConfig));
+
+ if ( (err != KErrNone) || (result != KErrNone) )
+ {
+ // note we don't destroy array because we don't own it
+ // but we do reset it if it is incomplete
+ aSupportedAudioConfigs.Reset();
+ result = KErrCorrupt;
+ }
+ }
+
+ stream.Close();
+ stream.Release();
+ delete buf;
+ }
+
+ return result;
+ }
+
+
+
+// DEMUX //
+
+TInt CMMFAacDecoderConfigDeMux::OpenInterface(TUid /*aInterfaceId*/)
+ {
+ return KErrNone;
+ }
+
+
+void CMMFAacDecoderConfigDeMux::Release()
+ {
+ TUid key = iKey;
+
+ delete this;
+
+ // tell ECom to destroy us
+ REComSession::DestroyedImplementation(key);
+ }
+
+
+void CMMFAacDecoderConfigDeMux::PassDestructorKey(TUid aDestructorKey)
+ {
+ // store the destructor key
+ iKey = aDestructorKey;
+ }
+
+
+void CMMFAacDecoderConfigDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
+ {
+ iTarget = aTarget;
+ }
+
+
+void CMMFAacDecoderConfigDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)
+ {
+ // store a pointer to the utility
+ iUtility = aCustomUtility;
+ }
+
+
+void CMMFAacDecoderConfigDeMux::RefreshL()
+ {
+ // refetch the aac decoder config custom interface if we already have a target
+ if (iTarget)
+ {
+ iInterfaceAacDecoderConfig = static_cast <MAacDecoderConfig*> (iTarget->CustomInterface(KUidAacDecoderConfig));
+
+ if (!iInterfaceAacDecoderConfig)
+ {
+ iInterfaceAacDecoderConfig = NULL;
+ User::Leave(KErrNotSupported);
+ }
+ }
+ }
+
+
+MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFAacDecoderConfigDeMux::NewL()
+ {
+ CMMFAacDecoderConfigDeMux* self = new (ELeave) CMMFAacDecoderConfigDeMux;
+ return self;
+ }
+
+
+CMMFAacDecoderConfigDeMux::CMMFAacDecoderConfigDeMux()
+ {
+ }
+
+
+CMMFAacDecoderConfigDeMux::~CMMFAacDecoderConfigDeMux()
+ {
+ iSupportedAudioConfigs.Reset();
+ iSupportedAudioConfigs.Close();
+ }
+
+
+TInt CMMFAacDecoderConfigDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
+ {
+ // fetch the Aac Decoder Config Hw Device custom interface
+ iInterfaceAacDecoderConfig = static_cast<MAacDecoderConfig*> (iTarget->CustomInterface(KUidAacDecoderConfig));
+
+ if (!iInterfaceAacDecoderConfig)
+ {
+ iInterfaceAacDecoderConfig = NULL;
+ User::Leave(KErrNotSupported);
+ }
+
+ return KErrNone;
+ }
+
+
+void CMMFAacDecoderConfigDeMux::DoCloseSlaveL(TInt /*aHandle*/)
+ {
+ // nothing to do
+ }
+
+
+// original RMessage is supplied so that remote demux plugin can extract necessary details
+// using DeMux utility
+TInt CMMFAacDecoderConfigDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)
+ {
+ TMMFDevSoundCIMessageData data;
+ TInt result = KErrNotSupported;
+
+ // decode message
+ iUtility->GetSyncMessageDataL(aMessage, data);
+
+ switch (data.iCommand)
+ {
+ case EMMFDevSoundCIAacDecoderConfigSetAudioConfig:
+ {
+ TPckgBuf<MAacDecoderConfig::TAudioConfig> audioConfig;
+ iUtility->ReadFromInputDesL(aMessage, &audioConfig);
+
+ result = DoSetAudioConfigL(audioConfig());
+
+ break;
+ }
+ case EMMFDevSoundCIAacDecoderConfigGetSupportedAudioConfig:
+ {
+ // reset the current AudioConfig array
+ iSupportedAudioConfigs.Reset();
+ result = DoGetSupportedAudioConfigsL(iSupportedAudioConfigs);
+
+ // send back the array count
+ TInt count = iSupportedAudioConfigs.Count();
+ result = count;
+
+ break;
+ }
+ default:
+ {
+ User::Leave(KErrNotSupported);
+ }
+ }
+
+ return result;
+ }
+
+
+TInt CMMFAacDecoderConfigDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)
+ {
+ TMMFDevSoundCIMessageData data;
+ TInt result = KErrNotSupported;
+
+ // decode message
+ iUtility->GetSyncMessageDataL(aMessage, data);
+
+ switch (data.iCommand)
+ {
+ case EMMFDevSoundCIAacDecoderConfigGetSupportedAudioConfigArray:
+ {
+
+ DoCopyAudioConfigsBufferToClientL(aMessage);
+
+ break;
+ }
+ default:
+ {
+ User::Leave(KErrNotSupported);
+ }
+ }
+
+ return result;
+ }
+
+
+void CMMFAacDecoderConfigDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)
+ {
+ // not used in this interface
+ }
+
+
+void CMMFAacDecoderConfigDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
+ {
+ // not used in this interface
+ }
+
+
+// Aac Decoder Config custom interface implementation
+TInt CMMFAacDecoderConfigDeMux::DoSetAudioConfigL(MAacDecoderConfig::TAudioConfig& aAudioConfig)
+ {
+ TInt result = KErrNotFound;
+
+ if (iInterfaceAacDecoderConfig)
+ {
+ result = iInterfaceAacDecoderConfig->SetAudioConfig(aAudioConfig);
+ }
+
+ return result;
+ }
+
+
+// Aac Decoder Config custom interface implementation
+TInt CMMFAacDecoderConfigDeMux::DoGetSupportedAudioConfigsL(RArray<MAacDecoderConfig::TAudioConfig>& aSupportedAudioConfigs)
+ {
+ TInt result = KErrNotFound;
+
+ if (iInterfaceAacDecoderConfig)
+ {
+ result = iInterfaceAacDecoderConfig->GetSupportedAudioConfigs(aSupportedAudioConfigs);
+ }
+
+ return result;
+ }
+
+
+// Aac Decoder Config custom interface implementation
+void CMMFAacDecoderConfigDeMux::DoCopyAudioConfigsBufferToClientL(const RMmfIpcMessage& aMessage)
+ {
+ if (!iInterfaceAacDecoderConfig)
+ {
+ 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 != iSupportedAudioConfigs.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(iSupportedAudioConfigs[i].iAudioObjectType);
+ }
+
+ // write the data to the supplied descriptor buffer
+ TPtr8 ptrBuf = dataCopyBuffer->Ptr(0);
+ iUtility->WriteToOutputDesL(aMessage, ptrBuf);
+ stream.Close();
+
+ CleanupStack::PopAndDestroy(2, dataCopyBuffer); // dataCopyBuffer, stream
+ }
+
+
+//
+// ImplementationTable
+//
+const TImplementationProxy ImplementationTable[] =
+ {
+ IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceAacDecoderConfigMux, CMMFAacDecoderConfigMux::NewL),
+ IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceAacDecoderConfigDeMux, CMMFAacDecoderConfigDeMux::NewL),
+ };
+
+//
+// ImplementationGroupProxy
+//
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
+ {
+ aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
+
+ return ImplementationTable;
+ }