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1 /* |
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2 * Copyright (c) 2009 Aricent 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 the License "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 * Aricent - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * Export header file for wrapper APIs.Interface class for |
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16 * Mpeg4SP/H263 encoder wrapper.The member functions are pure virtual functions |
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17 * which are to be implemented by the derived class. |
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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 #ifndef ARIMP4SPENCWRAPPER_H |
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23 #define ARIMP4SPENCWRAPPER_H |
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24 |
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25 // INCLUDES |
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26 #include <e32def.h> |
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27 #include <e32base.h> |
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28 #include <devvideoconstants.h> |
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29 #include "aribasecodec.h" |
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30 |
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31 |
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32 // FORWARD DECLARATIONS |
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33 class MBaseCodecObserver; |
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34 class TMpeg4H263HWDeviceInitParams; |
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35 class TMpeg4H263EncoderInitParams; |
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36 |
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37 |
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38 class CAriMp4spencWrapper: public CBase, public MBaseCodec |
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39 { |
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40 |
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41 public:// Constructor and Destructor |
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42 |
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43 /** |
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44 * Two-phased constructor. |
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45 * @param aEncoderParams |
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46 * Encoder params used to create the encoder. |
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47 * @return pointer to an instance of CAriMp4spencWrapper |
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48 */ |
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49 IMPORT_C static CAriMp4spencWrapper* NewL(TMpeg4H263EncoderInitParams &aParams); |
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50 |
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51 /**> Destructor */ |
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52 virtual ~CAriMp4spencWrapper(); |
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53 |
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54 |
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55 public:// MBaseCodec functions |
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56 |
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57 /** |
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58 * From MBaseCodec |
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59 * Encodes an input buffer |
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60 * @param aInpBuf |
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61 * Coded input data passed by Engine. |
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62 * @param aOutBuf |
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63 * Encoded output data |
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64 * @leave "The method will leave if an error occurs". |
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65 * @return one of the TCodecState |
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66 */ |
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67 virtual TInt DoProcessL( TAny *aInpBuf, TAny* aOutBuf) = 0; |
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68 |
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69 /** |
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70 * From MBaseCodec |
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71 * Encodes an input buffer |
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72 * @param aCommand |
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73 * The command passed - indicates encoder parameter to be set. |
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74 * @param aOutBuf |
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75 * The value used to set the parameter. |
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76 * @leave "The method will leave if an error occurs". |
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77 * @return one of the TCodecState |
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78 */ |
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79 |
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80 virtual TInt SetParam( TInt aCommand, TAny* aCmdData ) = 0; |
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81 |
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82 /** |
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83 * Used to get codec parameteres |
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84 * @param aCommand |
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85 * Indicates the encoder parameter to get |
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86 * @param aCmdData |
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87 * The value of the encoder parameter (OUT) |
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88 * @return symbian wide error code |
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89 */ |
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90 virtual TInt GetParam (TInt aCommand, TAny* aCmdData) = 0; |
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91 |
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92 |
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93 /** |
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94 * Cancels all processing of the commands |
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95 * @return None |
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96 */ |
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97 virtual void Reset () = 0; |
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98 |
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99 |
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100 /** |
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101 * Sets the clocksource. |
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102 * @param aClockSource |
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103 * The clocksource which will be used by wrapper. |
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104 * @param aProcessingTime |
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105 * Not used currently. |
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106 * @return TInt KErrArgument if clocksource is NULL |
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107 * else returns KErrNone |
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108 */ |
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109 virtual TInt SetSyncOptions( TAny* aClockSource, |
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110 TInt aProcessingTime = 0 ) = 0; |
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111 |
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112 /** |
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113 * Sets the reference time to be used by wrapper. |
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114 * @param aReferenceTime |
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115 * The reference time passed by the plugin |
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116 * @return None |
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117 */ |
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118 |
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119 virtual void SetUpdatedRefernceTime( TInt64 &aReferenceTime ) = 0; |
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120 |
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121 /** |
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122 * Indicates whether current picture has been encoded or not. |
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123 * @return TBool ETrue if ppicture is skipped. |
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124 */ |
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125 |
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126 virtual TBool IsCurrentPictureSkipped() = 0; |
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127 |
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128 }; |
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129 |
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130 #endif //ARIMP4SPENCWRAPPER_H |