1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmhais/refacladapt/src/audiocodec/resourcedata.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,269 @@
1.4 +//audiocodec.cpp
1.5 +
1.6 +// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
1.7 +// All rights reserved.
1.8 +// This component and the accompanying materials are made available
1.9 +// under the terms of "Eclipse Public License v1.0"
1.10 +// which accompanies this distribution, and is available
1.11 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.12 +//
1.13 +// Initial Contributors:
1.14 +// Nokia Corporation - initial contribution.
1.15 +//
1.16 +// Contributors:
1.17 +//
1.18 +// Description:
1.19 +//
1.20 +
1.21 +
1.22 +
1.23 +
1.24 +// INCLUDES
1.25 +#include "resourcedata.h"
1.26 +#include <barsc.h>
1.27 +#include <a3f/a3f_trace_utils.h>
1.28 +
1.29 +_LIT(KDC_RESOURCE_FILES_DIR, "\\resource\\a3f\\");
1.30 +const TInt KAssumedResourceId =1;
1.31 +
1.32 +const TSampleRateTableEntry KRateTableLookup[] = {
1.33 + { 8000, EMMFSampleRate8000Hz },
1.34 + { 11025, EMMFSampleRate11025Hz },
1.35 + { 12000, EMMFSampleRate12000Hz },
1.36 + { 16000, EMMFSampleRate16000Hz },
1.37 + { 22050, EMMFSampleRate22050Hz },
1.38 + { 24000, EMMFSampleRate24000Hz },
1.39 + { 32000, EMMFSampleRate32000Hz },
1.40 + { 44100, EMMFSampleRate44100Hz },
1.41 + { 48000, EMMFSampleRate48000Hz },
1.42 + { 64000, EMMFSampleRate64000Hz },
1.43 + { 88200, EMMFSampleRate88200Hz },
1.44 + { 96000, EMMFSampleRate96000Hz },
1.45 + };
1.46 +
1.47 +const TAudioModeTableEntry KModeTableLookup[] = {
1.48 + { EMMFMono, {KA3FModeMonoValue} },
1.49 + { EMMFStereo, {KA3FModeStereoNonInterleavedValue} },
1.50 + };
1.51 +
1.52 +const TInt KMaxSampleRateIndex = 11;
1.53 +
1.54 +// ============================ MEMBER FUNCTIONS ===============================
1.55 +
1.56 +CResourceData::CResourceData()
1.57 + {
1.58 + TRACE_CREATE();
1.59 + }
1.60 +
1.61 +// -----------------------------------------------------------------------------
1.62 +// CResourceData::NewL
1.63 +// Two-phased constructor.
1.64 +// -----------------------------------------------------------------------------
1.65 +//
1.66 +CResourceData* CResourceData::NewL(TUid aResourceUid)
1.67 + {
1.68 + DP_STATIC_CONTEXT( CResourceData::NewL *CD0*, CtxDevSound, DPAPI);
1.69 + DP1_IN("aResourceUid = 0x%x", aResourceUid);
1.70 +
1.71 + CResourceData* obj = NULL;
1.72 + obj = new ( ELeave ) CResourceData;
1.73 + CleanupStack::PushL( obj );
1.74 + obj->ConstructL( aResourceUid );
1.75 + CleanupStack::Pop(obj);
1.76 +
1.77 + DP0_RET(obj, "obj = 0x%x" );
1.78 + }
1.79 +
1.80 +// -----------------------------------------------------------------------------
1.81 +// CResourceData::~CResourceData
1.82 +// Destructor.
1.83 +// -----------------------------------------------------------------------------
1.84 +//
1.85 +CResourceData::~CResourceData()
1.86 + {
1.87 + DP_CONTEXT(CResourceData::~CResourceData *CD1*, CtxDevSound, DPLOCAL);
1.88 + DP_IN();
1.89 + delete iResourceData;
1.90 + DP_OUT();
1.91 + }
1.92 +
1.93 +
1.94 +// -----------------------------------------------------------------------------
1.95 +// CResourceData::GetSModes
1.96 +// Reads the capabilities data.
1.97 +// -----------------------------------------------------------------------------
1.98 +//
1.99 +TInt CResourceData::GetSModes(TMode aMode, RArray<TUid>& aModeConfig)
1.100 + {
1.101 + DP_CONTEXT( CResourceData::GetSampleModes *CD1*, CtxDevSound, DPLOCAL );
1.102 + DP1_IN( "TMode aMode = 0x%x", aMode );
1.103 + TInt ret = SeekToMode(aMode);
1.104 + if (ret != KErrNone)
1.105 + {
1.106 + DP0_RET(ret, "%d");
1.107 + }
1.108 +
1.109 + // capability data size
1.110 + TInt capDataSize = iResourceReader.ReadInt16();
1.111 +
1.112 + // sanity check for cap data size
1.113 + if (iResourceReader.Ptr() > iResourceDataEnd-capDataSize)
1.114 + {
1.115 + DP0( DLERR, "Pointer mismatch with cap data" );
1.116 + DP0_RET(KErrCorrupt, "KErrCorrupt" );
1.117 + }
1.118 +
1.119 + //Getting new Capabilities so clean the array.
1.120 + aModeConfig.Reset();
1.121 +
1.122 + TInt tempSampleRate = iResourceReader.ReadInt32();
1.123 + TInt tempEnconding = iResourceReader.ReadInt32();
1.124 + TInt tempMode = iResourceReader.ReadInt32();
1.125 +
1.126 + TInt err(KErrNone);
1.127 +
1.128 + for (TUint i=0; i<=KMaxModeIndex; i++)
1.129 + {
1.130 + if((KModeTableLookup[i].iAudioModeValue) & tempMode)
1.131 + {
1.132 + err = aModeConfig.Append(KModeTableLookup[i].iAudioMode);
1.133 + if (err != KErrNone)
1.134 + {
1.135 + break;
1.136 + }
1.137 + }
1.138 + }
1.139 +
1.140 + DP0_RET(err, "");
1.141 + }
1.142 +
1.143 +
1.144 +// -----------------------------------------------------------------------------
1.145 +// CResourceData::GetSSampleRates
1.146 +// Reads the capabilities data.
1.147 +// -----------------------------------------------------------------------------
1.148 +//
1.149 +TInt CResourceData::GetSSampleRates(TMode aMode, RArray<TInt>& aSampleRateConfig)
1.150 + {
1.151 + DP_CONTEXT( CResourceData::GetSSampleRates *CD1*, CtxDevSound, DPLOCAL );
1.152 + DP1_IN( "TMode aMode = 0x%x", aMode );
1.153 + //TODO to be change every hwdevice is either decode or encode
1.154 + //By the moment The same resource file has both modes
1.155 + TInt ret = SeekToMode(aMode);
1.156 + if (ret != KErrNone)
1.157 + {
1.158 + DP0_RET(ret, "%d");
1.159 + }
1.160 +
1.161 + // capability data size
1.162 + TInt capDataSize = iResourceReader.ReadInt16();
1.163 +
1.164 + // sanity check for cap data size
1.165 + if (iResourceReader.Ptr() > iResourceDataEnd-capDataSize)
1.166 + {
1.167 + DP0( DLERR, "Pointer mismatch with cap data" );
1.168 + DP0_RET(KErrCorrupt, "KErrCorrupt" );
1.169 + }
1.170 +
1.171 + //Getting new Capabilities so clean the array.
1.172 + aSampleRateConfig.Reset();
1.173 +
1.174 + TInt tempSampleRate = iResourceReader.ReadInt32();
1.175 + TInt err(KErrNone);
1.176 +
1.177 + for (TUint i=0; i<=KMaxSampleRateIndex; i++)
1.178 + {
1.179 + if(KRateTableLookup[i].iSampleRate & tempSampleRate)
1.180 + {
1.181 + err = aSampleRateConfig.Append(KRateTableLookup[i].iSampleRateValue);
1.182 + if (err != KErrNone)
1.183 + {
1.184 + break;
1.185 + }
1.186 + }
1.187 + }
1.188 +
1.189 + DP0_RET(err, "");
1.190 + }
1.191 +
1.192 +// -----------------------------------------------------------------------------
1.193 +// CResourceData::ConstructL
1.194 +// Symbian 2nd phase constructor can leave.
1.195 +// Reads the resource file for the correct UID.
1.196 +// -----------------------------------------------------------------------------
1.197 +//
1.198 +void CResourceData::ConstructL(TUid aResourceUid)
1.199 + {
1.200 + DP_CONTEXT( CResourceData::ConstructL *CD1*, CtxDevSound, DPLOCAL );
1.201 + DP1_IN( "aResourceUid = 0x%x", aResourceUid );
1.202 + // Open a file server session.
1.203 + RFs fs;
1.204 + User::LeaveIfError( fs.Connect() );
1.205 + CleanupClosePushL( fs );
1.206 +
1.207 + TBuf16<KResFileNameLength> fileName;
1.208 + TBuf16<KResFileNameAndPathLength> pathAndFileName (KDrive); // Z:
1.209 + fileName.Format(KFileNameFormat,aResourceUid.iUid); // HwDev0x<UID>
1.210 + pathAndFileName.Append(KDC_RESOURCE_FILES_DIR); /* \\resource\\ */
1.211 + pathAndFileName.Append(fileName); // HwDevxxx.rsc
1.212 + pathAndFileName.ZeroTerminate();
1.213 + HBufC16* fileNamePtr = pathAndFileName.AllocL();
1.214 + CleanupStack::PushL( fileNamePtr );
1.215 + RResourceFile rscFile;
1.216 + rscFile.OpenL(fs, fileNamePtr->Des());
1.217 + CleanupClosePushL(rscFile);
1.218 + // read the resource data
1.219 + iResourceData = rscFile.AllocReadL(KAssumedResourceId);
1.220 + // initialize the reader
1.221 + iResourceReader.SetBuffer( iResourceData );
1.222 + iResourceUid = aResourceUid;
1.223 + CleanupStack::PopAndDestroy( 3, &fs ); // fs, fileNamePtr,rscFile
1.224 + DP_OUT();
1.225 + }
1.226 +
1.227 +// -----------------------------------------------------------------------------
1.228 +// CResourceData::SeekToMode
1.229 +// Utility method for seeking resource to the correct mode. Leaves with
1.230 +// KErrNotFound if mode is not found in the opened resource.
1.231 +// -----------------------------------------------------------------------------
1.232 +//
1.233 +TInt CResourceData::SeekToMode(TMode aMode)
1.234 + {
1.235 + DP_CONTEXT( CResourceData::SeekToMode *CD1*, CtxDevSound, DPLOCAL );
1.236 + DP1_IN( "aMode = 0x%x", aMode );
1.237 + // set buffer position to beginning
1.238 + iResourceReader.SetBuffer(iResourceData);
1.239 + // read the resource uid
1.240 + TUid resourceUid = {iResourceReader.ReadInt32()};
1.241 + if (resourceUid != iResourceUid)
1.242 + {
1.243 + DP2( DLERR, "Mismatching resource uids resourceUid = %x iResourceUid = %x",resourceUid.iUid,iResourceUid.iUid );
1.244 + DP0_RET(KErrCorrupt, "KErrCorrupt" );
1.245 + }
1.246 + // read the number of mode-entries in the resource
1.247 + TInt modeCount = iResourceReader.ReadInt16();
1.248 + for (TInt modeIndex = 0; modeIndex < modeCount; modeIndex++)
1.249 + {
1.250 + // read the mode number
1.251 + TMode mode = (TMode) iResourceReader.ReadInt32();
1.252 + if (mode == aMode)
1.253 + {
1.254 + DP0_RET(KErrNone, "" );
1.255 + }
1.256 + // capability data size
1.257 + TInt capDataSize = iResourceReader.ReadInt16();
1.258 +
1.259 + // skip capability data
1.260 + if (iResourceReader.Ptr() > iResourceDataEnd-capDataSize)
1.261 + {
1.262 + DP0( DLERR, "Pointer mismatch with cap data" );
1.263 + DP0_RET(KErrCorrupt, "KErrCorrupt" );
1.264 + }
1.265 + iResourceReader.Advance( capDataSize );
1.266 + }
1.267 + // not found
1.268 + DP1( DLERR, "Mode 0x%x not found?", aMode );
1.269 + DP0_RET(KErrNotFound, "KErrNotFound" );
1.270 + }
1.271 +
1.272 +