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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: Recognizer for AAC files. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #ifndef CAACAUDIOPLAYCONTROLLERRECOGNIZER_H |
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21 #define CAACAUDIOPLAYCONTROLLERRECOGNIZER_H |
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22 |
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23 // INCLUDES |
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24 #include <e32base.h> |
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25 #include <apmrec.h> |
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26 #include <apmstd.h> |
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27 |
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28 // CLASS DECLARATION |
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29 |
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30 /** |
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31 * Concrete implementation of the recognizer API used to recognize AAC files. |
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32 * |
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33 * @lib AACAudioPlayControllerRecognizer.lib |
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34 * @since 3.0 |
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35 */ |
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36 class CAACAudioPlayControllerRecognizer : public CApaDataRecognizerType |
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37 { |
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38 public: // Constructors and destructor |
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39 |
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40 /** |
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41 * Two-phased constructor. |
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42 */ |
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43 static CAACAudioPlayControllerRecognizer* NewL(); |
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44 |
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45 /** |
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46 * Destructor. |
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47 */ |
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48 virtual ~CAACAudioPlayControllerRecognizer(); |
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49 |
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50 /** |
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51 * Creates recognizer |
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52 * @since 3.0 |
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53 * @param none |
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54 * @return recognizer instance |
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55 */ |
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56 static CApaDataRecognizerType* CreateRecognizerL(); |
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57 |
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58 private: // Functions from base classes |
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59 |
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60 /** |
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61 * From CApaDataRecognizerType |
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62 * Returns one of the SupportedDataType |
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63 * @since 3.0 |
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64 * @param aIndex - depending on the file extension |
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65 * @return Supported DataType |
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66 */ |
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67 TDataType SupportedDataTypeL( TInt aIndex ) const; |
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68 |
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69 /** |
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70 * From CApaDataRecognizerType |
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71 * Returns the buffersize needed to scan |
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72 * @since 3.0 |
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73 * @param none |
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74 * @return BufferSize if needed |
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75 */ |
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76 TUint PreferredBufSize(); |
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77 |
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78 /** |
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79 * From CApaDataRecognizerType |
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80 * Do the recognition of the file using the name of the |
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81 * the file or the buffer to scan |
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82 * @since 3.0 |
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83 * @param aName Name of the file |
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84 * @param aBuffer Buffer that shall be scanned for recognition |
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85 * @return void |
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86 */ |
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87 void DoRecognizeL( const TDesC& aName, const TDesC8& aBuffer ); |
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88 |
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89 private: |
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90 |
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91 /** |
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92 * C++ default constructor. |
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93 */ |
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94 CAACAudioPlayControllerRecognizer(); |
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95 |
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96 /** |
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97 * By default Symbian 2nd phase constructor is private. |
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98 */ |
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99 void ConstructL(); |
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100 |
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101 private: // Data |
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102 |
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103 }; |
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104 |
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105 |
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106 #endif // CAACAUDIOPLAYCONTROLLERRECOGNIZER_H |