| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** GNU Lesser General Public License Usage |
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| ** General Public License version 3 as published by the Free Software |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of other Qt classes. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #ifndef QWINDOWSAUDIOINPUT_H |
| #define QWINDOWSAUDIOINPUT_H |
| |
| #include "qwindowsaudioutils.h" |
| |
| #include <QtCore/qfile.h> |
| #include <QtCore/qdebug.h> |
| #include <QtCore/qelapsedtimer.h> |
| #include <QtCore/qstring.h> |
| #include <QtCore/qstringlist.h> |
| #include <QtCore/qdatetime.h> |
| #include <QtCore/qmutex.h> |
| |
| #include <QtMultimedia/qaudio.h> |
| #include <QtMultimedia/qaudiodeviceinfo.h> |
| #include <QtMultimedia/qaudiosystem.h> |
| |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| // For compat with 4.6 |
| #if !defined(QT_WIN_CALLBACK) |
| # if defined(Q_CC_MINGW) |
| # define QT_WIN_CALLBACK CALLBACK __attribute__ ((force_align_arg_pointer)) |
| # else |
| # define QT_WIN_CALLBACK CALLBACK |
| # endif |
| #endif |
| |
| class QWindowsAudioInput : public QAbstractAudioInput |
| { |
| Q_OBJECT |
| public: |
| QWindowsAudioInput(const QByteArray &device); |
| ~QWindowsAudioInput(); |
| |
| qint64 read(char* data, qint64 len); |
| |
| void setFormat(const QAudioFormat& fmt); |
| QAudioFormat format() const; |
| QIODevice* start(); |
| void start(QIODevice* device); |
| 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 setVolume(qreal volume); |
| qreal volume() const; |
| |
| QIODevice* audioSource; |
| QAudioFormat settings; |
| QAudio::Error errorState; |
| QAudio::State deviceState; |
| |
| private: |
| qint32 buffer_size; |
| qint32 period_size; |
| qint32 header; |
| QByteArray m_device; |
| int bytesAvailable; |
| int intervalTime; |
| QElapsedTimer timeStamp; |
| qint64 elapsedTimeOffset; |
| QElapsedTimer timeStampOpened; |
| qint64 totalTimeValue; |
| bool pullMode; |
| bool resuming; |
| WAVEFORMATEXTENSIBLE wfx; |
| HWAVEIN hWaveIn; |
| MMRESULT result; |
| WAVEHDR* waveBlocks; |
| volatile bool finished; |
| volatile int waveFreeBlockCount; |
| int waveBlockOffset; |
| |
| QMutex mutex; |
| static void QT_WIN_CALLBACK waveInProc( HWAVEIN hWaveIn, UINT uMsg, |
| DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2 ); |
| |
| WAVEHDR* allocateBlocks(int size, int count); |
| void freeBlocks(WAVEHDR* blockArray); |
| bool open(); |
| void close(); |
| |
| void initMixer(); |
| void closeMixer(); |
| HMIXEROBJ mixerID; |
| MIXERLINECONTROLS mixerLineControls; |
| qreal cachedVolume; |
| |
| private slots: |
| void feedback(); |
| bool deviceReady(); |
| |
| signals: |
| void processMore(); |
| }; |
| |
| class InputPrivate : public QIODevice |
| { |
| Q_OBJECT |
| public: |
| InputPrivate(QWindowsAudioInput* audio); |
| ~InputPrivate(); |
| |
| qint64 readData( char* data, qint64 len); |
| qint64 writeData(const char* data, qint64 len); |
| |
| void trigger(); |
| private: |
| QWindowsAudioInput *audioDevice; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |