Files
qtmultimedia/src/plugins/qnx/audio/qnxaudioinput.h
Tobias Koenig 6a83c20318 BlackBerry/QNX: Implement audio recording with QAudioInput
Change-Id: I62cad152a7b7fd92905744439de838306dc7a558
Reviewed-by: Thomas McGuire <thomas.mcguire@kdab.com>
2013-03-11 08:44:16 +01:00

140 lines
4.1 KiB
C++

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#ifndef QNXAUDIOINPUT_H
#define QNXAUDIOINPUT_H
#include "qaudiosystem.h"
#include <QSocketNotifier>
#include <QTime>
#include <QTimer>
#include <sys/asoundlib.h>
QT_BEGIN_NAMESPACE
class QnxAudioInput : public QAbstractAudioInput
{
Q_OBJECT
public:
QnxAudioInput();
~QnxAudioInput();
void start(QIODevice*) Q_DECL_OVERRIDE;
QIODevice* start() Q_DECL_OVERRIDE;
void stop() Q_DECL_OVERRIDE;
void reset() Q_DECL_OVERRIDE;
void suspend() Q_DECL_OVERRIDE;
void resume() Q_DECL_OVERRIDE;
int bytesReady() const Q_DECL_OVERRIDE;
int periodSize() const Q_DECL_OVERRIDE;
void setBufferSize(int ) Q_DECL_OVERRIDE;
int bufferSize() const Q_DECL_OVERRIDE;
void setNotifyInterval(int ) Q_DECL_OVERRIDE;
int notifyInterval() const Q_DECL_OVERRIDE;
qint64 processedUSecs() const Q_DECL_OVERRIDE;
qint64 elapsedUSecs() const Q_DECL_OVERRIDE;
QAudio::Error error() const Q_DECL_OVERRIDE;
QAudio::State state() const Q_DECL_OVERRIDE;
void setFormat(const QAudioFormat&) Q_DECL_OVERRIDE;
QAudioFormat format() const Q_DECL_OVERRIDE;
void setVolume(qreal) Q_DECL_OVERRIDE;
qreal volume() const Q_DECL_OVERRIDE;
private slots:
void userFeed();
bool deviceReady();
private:
friend class InputPrivate;
bool open();
void close();
qint64 read(char *data, qint64 len);
void setError(QAudio::Error error);
void setState(QAudio::State state);
QTime m_timeStamp;
QTime m_clockStamp;
QAudioFormat m_format;
QIODevice *m_audioSource;
snd_pcm_t *m_pcmHandle;
QSocketNotifier *m_pcmNotifier;
QAudio::Error m_error;
QAudio::State m_state;
qint64 m_bytesRead;
qint64 m_elapsedTimeOffset;
qint64 m_totalTimeValue;
qreal m_volume;
int m_bytesAvailable;
int m_bufferSize;
int m_periodSize;
int m_intervalTime;
bool m_pullMode;
};
class InputPrivate : public QIODevice
{
Q_OBJECT
public:
InputPrivate(QnxAudioInput *audio);
qint64 readData(char *data, qint64 len) Q_DECL_OVERRIDE;
qint64 writeData(const char *data, qint64 len) Q_DECL_OVERRIDE;
void trigger();
private:
QnxAudioInput *m_audioDevice;
};
QT_END_NAMESPACE
#endif