5e801e2793
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I20e5215108c6ebd5f8474fed5c3665118e4791e6 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
166 lines
4.3 KiB
C++
166 lines
4.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of other Qt classes. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#ifndef QAUDIOINPUTPULSE_H
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#define QAUDIOINPUTPULSE_H
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#include <QtCore/qfile.h>
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#include <QtCore/qtimer.h>
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#include <QtCore/qstring.h>
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#include <QtCore/qstringlist.h>
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#include <QtCore/qdatetime.h>
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#include "qaudio.h"
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#include "qaudiodeviceinfo.h"
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#include "qaudiosystem.h"
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#include <pulse/pulseaudio.h>
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QT_BEGIN_NAMESPACE
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class InputPrivate;
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class QPulseAudioInput : public QAbstractAudioInput
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{
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Q_OBJECT
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public:
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QPulseAudioInput(const QByteArray &device);
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~QPulseAudioInput();
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qint64 read(char *data, qint64 len);
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void start(QIODevice *device);
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QIODevice *start();
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void stop();
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void reset();
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void suspend();
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void resume();
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int bytesReady() const;
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int periodSize() const;
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void setBufferSize(int value);
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int bufferSize() const;
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void setNotifyInterval(int milliSeconds);
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int notifyInterval() const;
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qint64 processedUSecs() const;
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qint64 elapsedUSecs() const;
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QAudio::Error error() const;
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QAudio::State state() const;
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void setFormat(const QAudioFormat &format);
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QAudioFormat format() const;
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void setVolume(qreal volume);
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qreal volume() const;
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qint64 m_totalTimeValue;
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QIODevice *m_audioSource;
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QAudioFormat m_format;
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QAudio::Error m_errorState;
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QAudio::State m_deviceState;
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qreal m_volume;
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pa_cvolume m_chVolume;
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private slots:
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void userFeed();
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bool deviceReady();
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private:
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int checkBytesReady();
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bool open();
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void close();
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void setPulseVolume();
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static QMap<void *, QPulseAudioInput*> s_inputsMap;
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static void sourceInfoCallback(pa_context *c, const pa_source_info *i, int eol, void *userdata);
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static void inputVolumeCallback(pa_context *context, int success, void *userdata);
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bool m_pullMode;
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bool m_opened;
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int m_bytesAvailable;
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int m_bufferSize;
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int m_periodSize;
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int m_intervalTime;
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unsigned int m_bufferTime;
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unsigned int m_periodTime;
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QTimer *m_timer;
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qint64 m_elapsedTimeOffset;
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char *audioBuffer;
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pa_stream *m_stream;
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QTime m_timeStamp;
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QTime m_clockStamp;
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QByteArray m_streamName;
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QByteArray m_device;
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QByteArray m_tempBuffer;
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pa_sample_spec m_spec;
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};
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class InputPrivate : public QIODevice
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{
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Q_OBJECT
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public:
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InputPrivate(QPulseAudioInput *audio);
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~InputPrivate() {};
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qint64 readData(char *data, qint64 len);
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qint64 writeData(const char *data, qint64 len);
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void trigger();
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private:
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QPulseAudioInput *m_audioDevice;
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};
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QT_END_NAMESPACE
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#endif
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