[deb_shairplay.git] / AirTV-Qt / audiooutput.h

/**
 *  Copyright (C) 2011-2012  Juho Vähä-Herttua
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 */

#ifndef AUDIOOUTPUT_H
#define AUDIOOUTPUT_H

#include <QObject>
#include <QIODevice>
#include <QByteArray>
#include <QAudioFormat>
#include <QAudioDeviceInfo>
#include <QAudioOutput>
#include <QIODevice>

class AudioOutput : public QIODevice
{
    Q_OBJECT
public:
    explicit AudioOutput(QObject *parent = 0);
    bool init(int bits, int channels, int samplerate);
    bool setDevice(QAudioDeviceInfo deviceInfo);

    void start();
    void setVolume(float volume);
    void output(const QByteArray & data);
    void flush();
    void stop();

    qint64 readData(char *data, qint64 maxlen);
    qint64 writeData(const char *data, qint64 len);
    qint64 bytesAvailable() const;
    bool isSequential() const;

private:
    void reinit();

private:
    bool             m_initialized;
    QByteArray       m_buffer;
    QAudioFormat     m_format;
    QAudioDeviceInfo m_deviceInfo;
    QAudioOutput*    m_output;
    float            m_volume;

signals:

public slots:

private slots:
    void notified();
    void stateChanged(QAudio::State state);
};

#endif // AUDIOOUTPUT_H
Commit	Line	Data
15c988f7 JB	1	/**
	2	* Copyright (C) 2011-2012 Juho Vähä-Herttua
	3	*
	4	* This library is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU Lesser General Public
	6	* License as published by the Free Software Foundation; either
	7	* version 2.1 of the License, or (at your option) any later version.
	8	*
	9	* This library is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	* Lesser General Public License for more details.
	13	*/
	14
	15	#ifndef AUDIOOUTPUT_H
	16	#define AUDIOOUTPUT_H
	17
	18	#include <QObject>
	19	#include <QIODevice>
	20	#include <QByteArray>
	21	#include <QAudioFormat>
	22	#include <QAudioDeviceInfo>
	23	#include <QAudioOutput>
	24	#include <QIODevice>
	25
	26	class AudioOutput : public QIODevice
	27	{
	28	Q_OBJECT
	29	public:
	30	explicit AudioOutput(QObject *parent = 0);
	31	bool init(int bits, int channels, int samplerate);
	32	bool setDevice(QAudioDeviceInfo deviceInfo);
	33
	34	void start();
	35	void setVolume(float volume);
	36	void output(const QByteArray & data);
	37	void flush();
	38	void stop();
	39
	40	qint64 readData(char *data, qint64 maxlen);
	41	qint64 writeData(const char *data, qint64 len);
	42	qint64 bytesAvailable() const;
	43	bool isSequential() const;
	44
	45	private:
	46	void reinit();
	47
	48	private:
	49	bool m_initialized;
	50	QByteArray m_buffer;
	51	QAudioFormat m_format;
	52	QAudioDeviceInfo m_deviceInfo;
	53	QAudioOutput* m_output;
	54	float m_volume;
	55
	56	signals:
	57
	58	public slots:
	59
	60	private slots:
	61	void notified();
	62	void stateChanged(QAudio::State state);
	63	};
	64
65	#endif // AUDIOOUTPUT_H