devsoundextensions/mmfcustominterfaces/SpeechEncoderConfig/SpeechEncoderConfigProxy/src/SpeechEncoderConfigProxy.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/devsoundextensions/mmfcustominterfaces/SpeechEncoderConfig/SpeechEncoderConfigProxy/src/SpeechEncoderConfigProxy.cpp Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,233 @@
+/*
+* Copyright (c) 2002-2004 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: Interface proxy for speech encoder configuration.
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "SpeechEncoderConfigProxy.h"
+#include "SpeechEncoderConfigMsgs.h"
+#include <CustomCommandUtility.h>
+#include <CustomInterfaceUtility.h>
+
+// EXTERNAL DATA STRUCTURES
+
+// EXTERNAL FUNCTION PROTOTYPES
+
+// CONSTANTS
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+// ================= MEMBER FUNCTIONS =======================
+
+// -----------------------------------------------------------------------------
+// CSpeechEncoderConfigProxy::CSpeechEncoderConfigProxy
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CSpeechEncoderConfigProxy::CSpeechEncoderConfigProxy(
+ TMMFMessageDestinationPckg aMessageHandler,
+ MCustomCommand& aCustomCommand,
+ CCustomInterfaceUtility* aCustomInterfaceUtility) :
+ iCustomCommand(aCustomCommand),
+ iMessageHandler(aMessageHandler),
+ iCustomInterfaceUtility(aCustomInterfaceUtility)
+ {
+ }
+
+
+// -----------------------------------------------------------------------------
+// CSpeechEncoderConfigProxy::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CSpeechEncoderConfigProxy::ConstructL()
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CSpeechEncoderConfigProxy::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSpeechEncoderConfigProxy* CSpeechEncoderConfigProxy::NewL(
+ TMMFMessageDestinationPckg aMessageHandler,
+ MCustomCommand& aCustomCommand,
+ CCustomInterfaceUtility* aCustomInterfaceUtility)
+ {
+ CSpeechEncoderConfigProxy* self = new(ELeave) CSpeechEncoderConfigProxy(
+ aMessageHandler,
+ aCustomCommand,
+ aCustomInterfaceUtility);
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// Destructor
+EXPORT_C CSpeechEncoderConfigProxy::~CSpeechEncoderConfigProxy()
+ {
+ iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
+ delete iCustomInterfaceUtility;
+ }
+
+// ---------------------------------------------------------
+// CSpeechEncoderConfigProxy::GetSupportedBitrates
+// Calls a subfunction which sends the appropriate custom command for this
+// function to its message handler. A subfunction is used
+// to contain multiple leaving functions for a single trap.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+EXPORT_C TInt CSpeechEncoderConfigProxy::GetSupportedBitrates(
+ RArray<TUint>& aSupportedBitrates)
+ {
+ TInt status;
+ TRAP(status, GetSupportedBitratesL(aSupportedBitrates));
+ return status;
+ }
+
+// ---------------------------------------------------------
+// CSpeechEncoderConfigProxy::GetSupportedBitratesL
+// Sends the custom command for this function to its message handler.
+// This requires two commands. The first is a request for the number of
+// supported bitrates. A buffer is allocated locally to hold this number of
+// bitrates that will be returned. A pointer to this buffer is sent with the
+// next command which is a request for the bitrates. This buffer will be filled
+// with the bitrate values. These bitrates are then copied into the array
+// provided to this function and the local buffer is deleted.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+void CSpeechEncoderConfigProxy::GetSupportedBitratesL(
+ RArray<TUint>& aSupportedBitrates)
+ {
+ aSupportedBitrates.Reset();
+
+ TPckgBuf<TUint> numberOfBitratesPckg;
+ User::LeaveIfError(iCustomCommand.CustomCommandSync(
+ iMessageHandler,
+ ESecmGetNumOfSupportedBitrates,
+ KNullDesC8,
+ KNullDesC8,
+ numberOfBitratesPckg));
+ HBufC8* buf = HBufC8::NewLC(numberOfBitratesPckg()*sizeof(TUint));
+ // buf is left on cleanup
+ TPtr8 ptr = buf->Des();
+
+ User::LeaveIfError(iCustomCommand.CustomCommandSync(
+ iMessageHandler,
+ ESecmGetSupportedBitrates,
+ KNullDesC8,
+ KNullDesC8,
+ ptr));
+ RDesReadStream stream(ptr);
+ CleanupClosePushL(stream); // stream on cleanup
+ for (TInt i=0; i<numberOfBitratesPckg(); i++)
+ {
+ aSupportedBitrates.Append(stream.ReadUint32L());
+ }
+ CleanupStack::PopAndDestroy(&stream);
+ CleanupStack::PopAndDestroy(buf);
+ }
+
+// ---------------------------------------------------------
+// CSpeechEncoderConfigProxy::SetBitrate
+// Sends the custom command for this function to its message handler.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+EXPORT_C TInt CSpeechEncoderConfigProxy::SetBitrate(TUint aBitrate)
+ {
+ TPckgBuf<TInt> bitratePckg(aBitrate);
+ TInt status = iCustomCommand.CustomCommandSync(iMessageHandler,
+ ESecmSetBitrate,
+ bitratePckg,
+ KNullDesC8);
+ return status;
+ }
+
+// ---------------------------------------------------------
+// CSpeechEncoderConfigProxy::GetBitrate
+// Sends the custom command for this function to its message handler.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+EXPORT_C TInt CSpeechEncoderConfigProxy::GetBitrate(TUint& aBitrate)
+ {
+ TInt bitrate = 0;
+ TPckgBuf<TInt> bitratePckg(bitrate);
+ TInt status = iCustomCommand.CustomCommandSync(iMessageHandler,
+ ESecmGetBitrate,
+ KNullDesC8,
+ KNullDesC8,
+ bitratePckg);
+ if (status == KErrNone)
+ aBitrate = bitratePckg();
+ return status;
+ }
+
+// ---------------------------------------------------------
+// CSpeechEncoderConfigProxy::SetVadMode
+// Sends the custom command for this function to its message handler.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+EXPORT_C TInt CSpeechEncoderConfigProxy::SetVadMode(TBool aVadMode)
+ {
+ TPckgBuf<TBool> pckgBuf(aVadMode);
+ TInt status = iCustomCommand.CustomCommandSync(iMessageHandler,
+ ESecmSetVadMode,
+ pckgBuf,
+ KNullDesC8);
+ return status;
+ }
+
+// ---------------------------------------------------------
+// CSpeechEncoderConfigProxy::GetVadMode
+// Sends the custom command for this function to its message handler.
+// (other items were commented in a header).
+// ---------------------------------------------------------
+//
+EXPORT_C TInt CSpeechEncoderConfigProxy::GetVadMode(TBool& aVadMode)
+ {
+ TInt vadMode = EFalse;
+ TPckgBuf<TBool> pckgBuf(vadMode);
+ TInt status = iCustomCommand.CustomCommandSync(iMessageHandler,
+ ESecmGetVadMode,
+ KNullDesC8,
+ KNullDesC8,
+ pckgBuf);
+ if (status == KErrNone)
+ aVadMode = pckgBuf();
+ return status;
+ }
+
+
+
+// End of File