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#ifndef S60AUDIOCAPTURESESSION_H
#define S60AUDIOCAPTURESESSION_H
#include <qmobilityglobal.h>
#include <QtCore/qobject.h>
#include <QFile>
#include <QUrl>
#include <QList>
#include <QHash>
#include <QAudioFormat>
#include <qmediarecorder.h>
#include <Mda\Common\Audio.h>
#include <Mda\Common\Resource.h>
#include <Mda\Client\Utility.h>
#include <MdaAudioSampleEditor.h>
#include <mmf\common\mmfutilities.h>
QT_BEGIN_NAMESPACE
struct ControllerData
{
int controllerUid;
int destinationFormatUid;
QString destinationFormatDescription;
QString fileExtension;
};
struct CodecData
{
TFourCC fourCC;
QString codecDescription;
};
QT_END_NAMESPACE
QT_USE_NAMESPACE
class S60AudioCaptureSession : public QObject, public MMdaObjectStateChangeObserver
{
Q_OBJECT
Q_PROPERTY(qint64 position READ position NOTIFY positionChanged)
Q_ENUMS(TAudioCaptureState)
public:
enum TAudioCaptureState
{
ENotInitialized = 0,
EInitializing,
EInitialized,
EOpenCompelete,
ERecording,
EPaused,
ERecordComplete
};
S60AudioCaptureSession(QObject *parent = 0);
~S60AudioCaptureSession();
QAudioFormat format() const;
bool setFormat(const QAudioFormat &format);
QStringList supportedAudioCodecs() const;
QString codecDescription(const QString &codecName);
bool setAudioCodec(const QString &codecName);
QString audioCodec() const;
QString audioContainer() const;
QStringList supportedAudioContainers() const;
bool setAudioContainer(const QString &containerMimeType);
QString audioContainerDescription(const QString &containerName);
QList<int> supportedAudioSampleRates(const QAudioEncoderSettings &settings) const;
QUrl outputLocation() const;
bool setOutputLocation(const QUrl& sink);
qint64 position() const;
void record();
void pause();
void stop();
private:
void initializeSessionL();
void setError(TInt aError);
QMediaRecorder::Error fromSymbianErrorToMultimediaError(int error);
QString initializeSinkL();
void updateAudioContainersL();
void populateAudioCodecsDataL();
void retrieveSupportedAudioSampleRatesL();
void applyAudioSettingsL();
TFourCC determinePCMFormat();
void setDefaultSettings();
void createFileWithHeader(const TPtrC &path);
// MMdaObjectStateChangeObserver
void MoscoStateChangeEvent(CBase* aObject, TInt aPreviousState,
TInt aCurrentState, TInt aErrorCode);
void MoscoStateChangeEventL(CBase* aObject, TInt aPreviousState,
TInt aCurrentState, TInt aErrorCode);
public slots:
void setCaptureDevice(const QString &deviceName);
Q_SIGNALS:
void stateChanged(S60AudioCaptureSession::TAudioCaptureState);
void positionChanged(qint64 position);
void error(int error, const QString &errorString);
private:
QString m_container;
QString m_captureDevice;
QUrl m_sink;
TTimeIntervalMicroSeconds m_pausedPosition;
CMdaAudioRecorderUtility *m_recorderUtility;
TAudioCaptureState m_captureState;
QAudioFormat m_format;
QHash<QString, ControllerData> m_controllerIdMap;
QHash<QString, CodecData> m_audioCodeclist;
QList<int> m_supportedSampleRates;
int m_error;
};
#endif // S60AUDIOCAPTURESESSION_H