examples/QtQuick/audiorecorder/audioengine.cpp

00001 /****************************************************************************
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00039 
00044 #include <e32std.h>
00045 #include <f32file.h>
00046 #include "audioengine.h"
00047 #include "audiorecorder_p.h"
00048 
00049 _LIT(KAudioFile, "c:\\sounds\\new.wav");
00050 
00055 CAudioRecorderEngine* CAudioRecorderEngine::NewL(AudioRecorderPrivate* audioRecorderPvt)
00056 {
00057     CAudioRecorderEngine* self = CAudioRecorderEngine::NewLC(audioRecorderPvt);
00058     CleanupStack::Pop(self);
00059     return self;
00060 }
00061 
00065 CAudioRecorderEngine* CAudioRecorderEngine::NewLC(AudioRecorderPrivate* audioRecorderPvt)
00066 {
00067     CAudioRecorderEngine* self = new (ELeave) CAudioRecorderEngine(audioRecorderPvt);
00068     CleanupStack::PushL(self);
00069     self->ConstructL();
00070     return self;    
00071 }
00072 
00073 
00077 CAudioRecorderEngine::CAudioRecorderEngine(AudioRecorderPrivate* audioRecorderPvt):iAudioRecorderPvt(audioRecorderPvt)
00078 {
00079 }
00083 CAudioRecorderEngine::~CAudioRecorderEngine()
00084 {
00085     iFs.Close();
00086     iRecorderUtility->Close();
00087     delete iRecorderUtility;
00088 }
00089 
00093 void CAudioRecorderEngine::ConstructL()
00094 {
00095     User::LeaveIfError(iFs.Connect());
00096     iRecorderUtility = CMdaAudioRecorderUtility::NewL(*this);
00097     //Set the volume of the recorder.
00098     iRecorderUtility->SetVolume(iRecorderUtility->MaxVolume()/2);
00099     // Open the file
00100     iRecorderUtility->OpenFileL(KAudioFile);
00101 }
00102 
00107 void CAudioRecorderEngine::MoscoStateChangeEvent(CBase* /*aObject*/, TInt /*aPreviousState*/, 
00108             TInt aCurrentState, TInt aErrorCode)
00109 {
00110 }
00111 
00115 void CAudioRecorderEngine::PlayL()
00116 {
00117     TRAPD(err,iRecorderUtility->PlayL());
00118     if(err == KErrNone)
00119         {
00120         _LIT(KSuccess,"Play Back");
00121         iResponse = KSuccess;
00122         }
00123     else
00124         {
00125         _LIT(KFailure,"Playing the recording failed");
00126         iResponse = KFailure;
00127         }
00128     iAudioRecorderPvt->printResponse();
00129 }
00130 
00134 void CAudioRecorderEngine::Stop()
00135 {
00136     iRecorderUtility->Stop();
00137     _LIT(KSuccess,"Stopped");
00138     iResponse = KSuccess;
00139     iAudioRecorderPvt->printResponse();   
00140 }
00141 
00145 void CAudioRecorderEngine::RecordL()
00146 {
00147     TRAPD(err,iRecorderUtility->RecordL());
00148     if(err == KErrNone)
00149         {
00150         _LIT(KSuccess,"Recording started");
00151         iResponse = KSuccess;
00152         }
00153     else
00154         {
00155         _LIT(KFailure,"Starting recording failed");
00156         iResponse = KFailure;
00157         }
00158     iAudioRecorderPvt->printResponse();
00159 }
00160 // END OF FILE
00161 

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