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Diffstat (limited to 'src/plugins/opensles/qopenslesaudioinput.h')
-rw-r--r-- | src/plugins/opensles/qopenslesaudioinput.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/plugins/opensles/qopenslesaudioinput.h b/src/plugins/opensles/qopenslesaudioinput.h new file mode 100644 index 000000000..c71963087 --- /dev/null +++ b/src/plugins/opensles/qopenslesaudioinput.h @@ -0,0 +1,134 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QOPENSLESAUDIOINPUT_H +#define QOPENSLESAUDIOINPUT_H + +#include <qaudiosystem.h> +#include <QTime> +#include <SLES/OpenSLES.h> + +#ifdef ANDROID +#include <SLES/OpenSLES_Android.h> + +#define QT_ANDROID_PRESET_MIC "mic" +#define QT_ANDROID_PRESET_CAMCORDER "camcorder" +#define QT_ANDROID_PRESET_VOICE_RECOGNITION "voicerecognition" + +#endif + +QT_BEGIN_NAMESPACE + +class QOpenSLESEngine; +class QIODevice; +class QBuffer; + +class QOpenSLESAudioInput : public QAbstractAudioInput +{ + Q_OBJECT + +public: + QOpenSLESAudioInput(const QByteArray &device); + ~QOpenSLESAudioInput(); + + void start(QIODevice *device); + QIODevice *start(); + void stop(); + void reset(); + void suspend(); + void resume(); + int bytesReady() const; + int periodSize() const; + void setBufferSize(int value); + int bufferSize() const; + void setNotifyInterval(int milliSeconds); + int notifyInterval() const; + qint64 processedUSecs() const; + qint64 elapsedUSecs() const; + QAudio::Error error() const; + QAudio::State state() const; + void setFormat(const QAudioFormat &format); + QAudioFormat format() const; + + void setVolume(qreal volume); + qreal volume() const; + +public Q_SLOTS: + void processBuffer(); + +private: + bool startRecording(); + void stopRecording(); + void writeDataToDevice(const char *data, int size); + void flushBuffers(); + + QByteArray m_device; + QOpenSLESEngine *m_engine; + SLObjectItf m_recorderObject; + SLRecordItf m_recorder; +#ifdef ANDROID + SLuint32 m_recorderPreset; + SLAndroidSimpleBufferQueueItf m_bufferQueue; +#else + SLBufferQueueItf m_bufferQueue; +#endif + + bool m_pullMode; + qint64 m_processedBytes; + QIODevice *m_audioSource; + QBuffer *m_bufferIODevice; + QByteArray m_pushBuffer; + QAudioFormat m_format; + QAudio::Error m_errorState; + QAudio::State m_deviceState; + QTime m_clockStamp; + qint64 m_lastNotifyTime; + qreal m_volume; + int m_bufferSize; + int m_periodSize; + int m_intervalTime; + QByteArray *m_buffers; + int m_currentBuffer; +}; + +QT_END_NAMESPACE + +#endif // QOPENSLESAUDIOINPUT_H |