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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 |
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17 |
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18 #include <f32file.h> |
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19 #include <e32math.h> |
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20 #include <s32mem.h> |
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21 |
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22 #include "mmfaudioserverproxy.h" |
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23 #include "mmfaudioserverdecs.h" |
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24 #include <a3f/mmfaudiosvruids.hrh> |
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25 |
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26 |
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27 static const TUid KUidAudioServer = {KUidA3fAudioServerUID}; |
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28 const TInt KRetries = 5; |
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29 const TInt KInitialTime = 100000; //100ms |
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30 const TInt KTimeIncrement = 50000; // 50ms |
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31 |
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32 _LIT_SECURITY_POLICY_C1(KServerHasDRMRights, ECapabilityDRM); |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // RMMFAudioServerProxy::OpenSessionToTrustedAudioServer |
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36 // |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 TInt RMMFAudioServerProxy::OpenSessionToTrustedAudioServer() |
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40 { |
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41 return CreateSession(KAudioServerName, |
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42 TVersion(KMMFAudioServerVersion, |
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43 KMMFAudioServerMinorVersionNumber, |
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44 KMMFAudioServerBuildVersionNumber), |
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45 -1, // Global pool |
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46 EIpcSession_Unsharable, |
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47 &KServerHasDRMRights, |
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48 NULL); // NULL required for synchronous behaviour |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // RMMFAudioServerProxy::Open |
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53 // |
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54 // ----------------------------------------------------------------------------- |
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55 // |
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56 EXPORT_C TInt RMMFAudioServerProxy::Open() |
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57 { |
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58 const TUidType serverUid(KNullUid,KNullUid,KUidAudioServer); |
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59 // Assume the server is already running and attempt to create a session |
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60 TInt err = OpenSessionToTrustedAudioServer(); |
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61 |
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62 if(err == KErrNotFound) |
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63 { |
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64 // Server not running |
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65 // Construct the server binary name |
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66 RProcess server; |
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67 |
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68 _LIT(KEmpty,""); |
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69 |
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70 err = server.Create(KAudioServerFileName, KEmpty, serverUid); |
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71 if(err != KErrNone) |
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72 { |
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73 return err; |
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74 } |
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75 // Synchronise with the server |
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76 TRequestStatus reqStatus; |
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77 server.Rendezvous(reqStatus); |
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78 |
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79 if (reqStatus!=KRequestPending) |
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80 { |
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81 server.Kill(0); |
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82 } |
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83 else |
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84 { |
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85 // Start the test harness |
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86 server.Resume(); |
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87 // Server will call the reciprocal static synchronise call |
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88 } |
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89 |
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90 User::WaitForRequest(reqStatus); // wait for rendezvous or death |
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91 server.Close(); |
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92 TInt reqStatusValue = reqStatus.Int(); |
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93 |
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94 if(reqStatusValue != KErrNone) |
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95 { |
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96 if(reqStatusValue == KErrNoMemory || reqStatusValue == KErrNotFound) |
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97 { |
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98 // All error codes except KErrNoMemory and KErrNotFound are assumed |
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99 // to be a duplicate server instance dying, then keep trying |
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100 // connection to the server. This can happen when two servers |
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101 // attempt to start at the same time. |
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102 return reqStatusValue; |
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103 } |
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104 //Wait for sometime, then retry and creation session |
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105 TInt waitTime = KInitialTime; |
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106 for(TInt retries=0;retries<KRetries;retries++) |
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107 { |
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108 User::After(waitTime); |
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109 waitTime+=KTimeIncrement; |
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110 err = OpenSessionToTrustedAudioServer(); |
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111 |
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112 if(err==KErrNone) |
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113 { |
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114 //Session created successfully |
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115 break; |
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116 } |
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117 } |
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118 } |
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119 else |
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120 { |
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121 // Create the root server session |
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122 err = OpenSessionToTrustedAudioServer(); |
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123 } |
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124 } |
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125 return err; |
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126 } |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // RMMFAudioServerProxy::SetDevSoundInfo |
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130 // |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 EXPORT_C TInt RMMFAudioServerProxy::SetDevSoundInfo() |
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134 { |
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135 return SendReceive(EMMFAudioLaunchRequests); |
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136 } |
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137 |
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138 // ----------------------------------------------------------------------------- |
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139 // RMMFAudioServerProxy::GetDevSoundSessionHandle |
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140 // |
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141 // ----------------------------------------------------------------------------- |
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142 // |
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143 EXPORT_C TInt RMMFAudioServerProxy::GetDevSoundSessionHandle() |
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144 { |
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145 return SendReceive(EMMFDevSoundSessionHandle); |
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146 } |
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147 |
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148 // End of File |