os/mm/devsoundextensions/mmfcustominterfaces/SpeechEncoderConfig/SpeechEncoderConfigMsgHdlr/src/SpeechEncoderConfigMsgHdlr.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/devsoundextensions/mmfcustominterfaces/SpeechEncoderConfig/SpeechEncoderConfigMsgHdlr/src/SpeechEncoderConfigMsgHdlr.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,299 @@
1.4 +/*
1.5 +* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description: Message handler for speech encoder configuration interface
1.18 +*
1.19 +*/
1.20 +
1.21 +
1.22 +
1.23 +// INCLUDE FILES
1.24 +#include "SpeechEncoderConfigMsgHdlr.h"
1.25 +#include "SpeechEncoderConfigMsgs.h"
1.26 +#include <SpeechEncoderConfig.h>
1.27 +
1.28 +// EXTERNAL DATA STRUCTURES
1.29 +
1.30 +// EXTERNAL FUNCTION PROTOTYPES
1.31 +
1.32 +// CONSTANTS
1.33 +
1.34 +// MACROS
1.35 +
1.36 +// LOCAL CONSTANTS AND MACROS
1.37 +
1.38 +// MODULE DATA STRUCTURES
1.39 +
1.40 +// LOCAL FUNCTION PROTOTYPES
1.41 +
1.42 +// FORWARD DECLARATIONS
1.43 +
1.44 +// ============================= LOCAL FUNCTIONS ===============================
1.45 +
1.46 +// ============================ MEMBER FUNCTIONS ===============================
1.47 +
1.48 +// -----------------------------------------------------------------------------
1.49 +// CSpeechEncoderConfigMsgHdlr::CSpeechEncoderConfigMsgHdlr
1.50 +// C++ default constructor can NOT contain any code, that
1.51 +// might leave.
1.52 +// -----------------------------------------------------------------------------
1.53 +//
1.54 +CSpeechEncoderConfigMsgHdlr::CSpeechEncoderConfigMsgHdlr(
1.55 + CSpeechEncoderConfig* aSpeechEncoderConfigCI) :
1.56 + CMMFObject(KUidSpeechEncoderConfig)
1.57 + {
1.58 + iSpeechEncoderConfigCI = aSpeechEncoderConfigCI;
1.59 + }
1.60 +
1.61 +// -----------------------------------------------------------------------------
1.62 +// CSpeechEncoderConfigMsgHdlr::ConstructL
1.63 +// Symbian 2nd phase constructor can leave.
1.64 +// -----------------------------------------------------------------------------
1.65 +//
1.66 +void CSpeechEncoderConfigMsgHdlr::ConstructL()
1.67 + {
1.68 + }
1.69 +
1.70 +// -----------------------------------------------------------------------------
1.71 +// CSpeechEncoderConfigMsgHdlr::NewL
1.72 +// Two-phased constructor.
1.73 +// -----------------------------------------------------------------------------
1.74 +//
1.75 +EXPORT_C CSpeechEncoderConfigMsgHdlr* CSpeechEncoderConfigMsgHdlr::NewL(
1.76 + TAny* aSpeechEncoderConfigCI)
1.77 + {
1.78 + CSpeechEncoderConfig* speechEncoderConfigCI =
1.79 + (CSpeechEncoderConfig*)aSpeechEncoderConfigCI;
1.80 + CSpeechEncoderConfigMsgHdlr* self =
1.81 + new (ELeave) CSpeechEncoderConfigMsgHdlr(speechEncoderConfigCI);
1.82 + CleanupStack::PushL( self );
1.83 + self->ConstructL();
1.84 + CleanupStack::Pop( self );
1.85 + return self;
1.86 + }
1.87 +
1.88 +// Destructor
1.89 +EXPORT_C CSpeechEncoderConfigMsgHdlr::~CSpeechEncoderConfigMsgHdlr()
1.90 + {
1.91 + iSupportedBitrates.Close();
1.92 + delete iDataCopyBuffer;
1.93 + delete iSpeechEncoderConfigCI;
1.94 + }
1.95 +
1.96 +// ---------------------------------------------------------
1.97 +// CSpeechEncoderConfigMsgHdlr::HandleRequest
1.98 +// Handles the messages from the proxy.
1.99 +// Calls a subfunction which determines which custom interface to call.
1.100 +// A subfunction is used to contain multiple leaving functions for a single
1.101 +// trap.
1.102 +// (other items were commented in a header).
1.103 +// ---------------------------------------------------------
1.104 +//
1.105 +EXPORT_C void CSpeechEncoderConfigMsgHdlr::HandleRequest(TMMFMessage& aMessage)
1.106 + {
1.107 + // debug panic
1.108 + ASSERT(aMessage.Destination().InterfaceId() == KUidSpeechEncoderConfig);
1.109 + TRAPD(error,DoHandleRequestL(aMessage));
1.110 + if(error)
1.111 + {
1.112 + aMessage.Complete(error);
1.113 + }
1.114 + }
1.115 +
1.116 +// ---------------------------------------------------------
1.117 +// CSpeechEncoderConfigMsgHdlr::DoHandleRequestL
1.118 +// Determines which custom interface to call.
1.119 +// (other items were commented in a header).
1.120 +// ---------------------------------------------------------
1.121 +//
1.122 +void CSpeechEncoderConfigMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)
1.123 + {
1.124 + switch(aMessage.Function())
1.125 + {
1.126 + case ESecmGetNumOfSupportedBitrates:
1.127 + {
1.128 + DoGetNumOfSupportedBitratesL(aMessage);
1.129 + break;
1.130 + }
1.131 + case ESecmGetSupportedBitrates:
1.132 + {
1.133 + DoGetSupportedBitratesL(aMessage);
1.134 + break;
1.135 + }
1.136 + case ESecmSetBitrate:
1.137 + {
1.138 + DoSetBitrateL(aMessage);
1.139 + break;
1.140 + }
1.141 + case ESecmGetBitrate:
1.142 + {
1.143 + DoGetBitrateL(aMessage);
1.144 + break;
1.145 + }
1.146 + case ESecmSetVadMode:
1.147 + {
1.148 + DoSetVadModeL(aMessage);
1.149 + break;
1.150 + }
1.151 + case ESecmGetVadMode:
1.152 + {
1.153 + DoGetVadModeL(aMessage);
1.154 + break;
1.155 + }
1.156 + default:
1.157 + {
1.158 + aMessage.Complete(KErrNotSupported);
1.159 + }
1.160 + }
1.161 + }
1.162 +
1.163 +// ---------------------------------------------------------
1.164 +// CSpeechEncoderConfigMsgHdlr::DoGetNumOfSupportedBitratesL
1.165 +// Handles the message from the proxy and calls the custom interface.
1.166 +// The custom interface returns the data requested and this function
1.167 +// writes it back to the proxy. It also creates a buffer and fills
1.168 +// it with the bitrate data to be returned in the subsequent call
1.169 +// of DoGetSupportedBitratesL().
1.170 +// (other items were commented in a header).
1.171 +// ---------------------------------------------------------
1.172 +//
1.173 +void CSpeechEncoderConfigMsgHdlr::DoGetNumOfSupportedBitratesL(
1.174 + TMMFMessage& aMessage)
1.175 + {
1.176 + iSupportedBitrates.Reset();
1.177 + TInt status = iSpeechEncoderConfigCI->GetSupportedBitrates(
1.178 + iSupportedBitrates);
1.179 + CreateBufFromUintArrayL(iSupportedBitrates);
1.180 + if (status == KErrNone)
1.181 + {
1.182 + TPckgBuf<TUint> pckg;
1.183 + pckg() = iSupportedBitrates.Count();
1.184 + aMessage.WriteDataToClientL(pckg);
1.185 + }
1.186 + aMessage.Complete(status);
1.187 + }
1.188 +
1.189 +// ---------------------------------------------------------
1.190 +// CSpeechEncoderConfigMsgHdlr::CreateBufFromUintArrayL
1.191 +// Utility function used to create a buffer a fill it with data from the array
1.192 +// passed in.
1.193 +// (other items were commented in a header).
1.194 +// ---------------------------------------------------------
1.195 +//
1.196 +void CSpeechEncoderConfigMsgHdlr::CreateBufFromUintArrayL(RArray<TUint>& aArray)
1.197 + {
1.198 + delete iDataCopyBuffer;
1.199 + iDataCopyBuffer = NULL;
1.200 +
1.201 + iDataCopyBuffer = CBufFlat::NewL(8);
1.202 + RBufWriteStream stream;
1.203 + stream.Open(*iDataCopyBuffer);
1.204 + CleanupClosePushL(stream);
1.205 + for (TInt i=0;i<aArray.Count();i++)
1.206 + stream.WriteUint32L(aArray[i]);
1.207 + CleanupStack::PopAndDestroy(&stream);//stream
1.208 + }
1.209 +
1.210 +// ---------------------------------------------------------
1.211 +// CSpeechEncoderConfigMsgHdlr::DoGetSupportedBitratesL
1.212 +// Handles the message from the proxy and calls the custom interface.
1.213 +// The custom interface returns the data requested and this function
1.214 +// writes it back to the proxy.
1.215 +// (other items were commented in a header).
1.216 +// ---------------------------------------------------------
1.217 +//
1.218 +void CSpeechEncoderConfigMsgHdlr::DoGetSupportedBitratesL(TMMFMessage& aMessage)
1.219 + {
1.220 + if (!iDataCopyBuffer)
1.221 + User::Leave(KErrNotReady);
1.222 + aMessage.WriteDataToClientL(iDataCopyBuffer->Ptr(0));
1.223 + aMessage.Complete(KErrNone);
1.224 + }
1.225 +
1.226 +// ---------------------------------------------------------
1.227 +// CSpeechEncoderConfigMsgHdlr::DoSetBitrateL
1.228 +// Handles the message from the proxy and calls the custom interface method.
1.229 +// The data passed from the proxy is read from the message and passed to
1.230 +// the custom interface.
1.231 +// (other items were commented in a header).
1.232 +// ---------------------------------------------------------
1.233 +//
1.234 +void CSpeechEncoderConfigMsgHdlr::DoSetBitrateL(TMMFMessage& aMessage)
1.235 + {
1.236 + TPckgBuf<TUint> pckg;
1.237 + aMessage.ReadData1FromClientL(pckg);
1.238 + TInt status = iSpeechEncoderConfigCI->SetBitrate(pckg());
1.239 + aMessage.Complete(status);
1.240 + }
1.241 +
1.242 +// ---------------------------------------------------------
1.243 +// CSpeechEncoderConfigMsgHdlr::DoGetBitrateL
1.244 +// Handles the message from the proxy and calls the custom interface.
1.245 +// The custom interface returns the data requested and this function
1.246 +// writes it back to the proxy.
1.247 +// (other items were commented in a header).
1.248 +// ---------------------------------------------------------
1.249 +//
1.250 +void CSpeechEncoderConfigMsgHdlr::DoGetBitrateL(TMMFMessage& aMessage)
1.251 + {
1.252 + TUint bitrate;
1.253 + TInt status = iSpeechEncoderConfigCI->GetBitrate(bitrate);
1.254 + if (status == KErrNone)
1.255 + {
1.256 + TPckgBuf<TUint> pckg;
1.257 + pckg() = bitrate;
1.258 + aMessage.WriteDataToClientL(pckg);
1.259 + }
1.260 + aMessage.Complete(status);
1.261 + }
1.262 +
1.263 +// ---------------------------------------------------------
1.264 +// CSpeechEncoderConfigMsgHdlr::DoSetVadModeL
1.265 +// Handles the message from the proxy and calls the custom interface method.
1.266 +// The data passed from the proxy is read from the message and passed to
1.267 +// the custom interface.
1.268 +// (other items were commented in a header).
1.269 +// ---------------------------------------------------------
1.270 +//
1.271 +void CSpeechEncoderConfigMsgHdlr::DoSetVadModeL(TMMFMessage& aMessage)
1.272 + {
1.273 + TPckgBuf<TBool> pckg;
1.274 + aMessage.ReadData1FromClientL(pckg);
1.275 + TInt status = iSpeechEncoderConfigCI->SetVadMode(pckg());
1.276 + aMessage.Complete(status);
1.277 + }
1.278 +
1.279 +// ---------------------------------------------------------
1.280 +// CSpeechEncoderConfigMsgHdlr::DoGetVadModeL
1.281 +// Handles the message from the proxy and calls the custom interface.
1.282 +// The custom interface returns the data requested and this function
1.283 +// writes it back to the proxy.
1.284 +// (other items were commented in a header).
1.285 +// ---------------------------------------------------------
1.286 +//
1.287 +void CSpeechEncoderConfigMsgHdlr::DoGetVadModeL(TMMFMessage& aMessage)
1.288 + {
1.289 + TBool vadMode;
1.290 + TInt status = iSpeechEncoderConfigCI->GetVadMode(vadMode);
1.291 + if (status == KErrNone)
1.292 + {
1.293 + TPckgBuf<TBool> pckg;
1.294 + pckg() = vadMode;
1.295 + aMessage.WriteDataToClientL(pckg);
1.296 + }
1.297 + aMessage.Complete(status);
1.298 + }
1.299 +
1.300 +
1.301 +
1.302 +// End of File