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1 /* |
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2 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This class provides the main API for the Advanced Audio Controller |
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15 * Resource. This class is the base class for the specific codec resource |
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16 * classes. |
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17 * |
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18 */ |
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19 |
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20 |
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21 |
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22 // INCLUDE FILES |
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23 #include "AdvancedAudioResource.h" |
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24 |
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25 // ============================ MEMBER FUNCTIONS =============================== |
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26 |
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27 // ----------------------------------------------------------------------------- |
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28 // CAdvancedAudioResource::CAdvancedAudioResource |
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29 // C++ default constructor can NOT contain any code, that |
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30 // might leave. |
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31 // ----------------------------------------------------------------------------- |
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32 // |
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33 EXPORT_C CAdvancedAudioResource::CAdvancedAudioResource() |
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34 : iResourceBuf(NULL), |
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35 iResourceOpen(EFalse) |
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36 { |
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37 } |
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38 |
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39 // Destructor |
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40 EXPORT_C CAdvancedAudioResource::~CAdvancedAudioResource() |
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41 { |
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42 iCodecConfigParams.Close(); |
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43 |
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44 if ( iResourceOpen ) |
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45 { |
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46 delete iResourceBuf; |
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47 iResourceFile.Close(); |
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48 iFs.Close(); |
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49 } |
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50 } |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // CAdvancedAudioResource::PropertiesL |
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54 // Returns the controller's properties for the current Codec. |
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55 // ----------------------------------------------------------------------------- |
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56 // |
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57 EXPORT_C const TAapProperties& CAdvancedAudioResource::PropertiesL() |
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58 { |
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59 return iProperties; |
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60 } |
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61 |
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62 // ----------------------------------------------------------------------------- |
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63 // CAapResourceAMRDecoder::ConfigurationParametersL |
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64 // Returns the configuration parameters for AMR Decoder. |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 EXPORT_C const RArray<TInt>& CAdvancedAudioResource::CodecConfigParametersL() |
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68 { |
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69 return iCodecConfigParams; |
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70 } |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CAdvancedAudioResource::ReadResourceFileL |
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74 // Reads the data from the resource file for the specified codec. |
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75 // ----------------------------------------------------------------------------- |
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76 // |
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77 EXPORT_C void CAdvancedAudioResource::ReadResourceFileL( |
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78 const TDesC& aResourceFileName, |
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79 TInt aResourceId ) |
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80 { |
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81 iResourceOpen = ETrue; |
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82 // Connect to the file server |
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83 User::LeaveIfError(iFs.Connect()); |
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84 // Open the resource file |
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85 iResourceFile.OpenL(iFs, aResourceFileName); |
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86 |
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87 iResourceBuf = iResourceFile.AllocReadL(aResourceId); |
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88 iResourceReader.SetBuffer(iResourceBuf); |
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89 |
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90 iProperties.iSharedBufferMaxNum = iResourceReader.ReadInt32(); |
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91 iProperties.iSharedBufferMaxSize = iResourceReader.ReadInt32(); |
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92 iProperties.iSamplingRate = iResourceReader.ReadInt32(); |
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93 iProperties.iStereoSupport = iResourceReader.ReadInt32(); |
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94 iProperties.iMetaDataSupport = iResourceReader.ReadInt32(); |
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95 |
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96 ReadCodecConfigParametersL(); |
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97 |
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98 // Cleanup |
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99 delete iResourceBuf; |
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100 iResourceBuf = NULL; |
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101 iResourceFile.Close(); |
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102 iFs.Close(); |
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103 iResourceOpen = EFalse; |
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104 } |
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105 |
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106 // End of File |