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Diffstat (limited to 'src/multimediakit/audio/qaudiooutput_symbian_p.h')
| -rw-r--r-- | src/multimediakit/audio/qaudiooutput_symbian_p.h | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/multimediakit/audio/qaudiooutput_symbian_p.h b/src/multimediakit/audio/qaudiooutput_symbian_p.h deleted file mode 100644 index 2e2fd5db2..000000000 --- a/src/multimediakit/audio/qaudiooutput_symbian_p.h +++ /dev/null @@ -1,201 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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, Nokia gives you certain additional -** rights. These rights are described in the Nokia 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -// -// 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 QAUDIOOUTPUT_SYMBIAN_P_H -#define QAUDIOOUTPUT_SYMBIAN_P_H - -#include <qaudiosystem.h> -#include <QTime> -#include <QTimer> -#include <sounddevice.h> -#include "qaudio_symbian_p.h" - -QT_BEGIN_NAMESPACE - -class QAudioOutputPrivate; - -class SymbianAudioOutputPrivate : public QIODevice -{ - friend class QAudioOutputPrivate; - Q_OBJECT -public: - SymbianAudioOutputPrivate(QAudioOutputPrivate *audio); - ~SymbianAudioOutputPrivate(); - - qint64 readData(char *data, qint64 len); - qint64 writeData(const char *data, qint64 len); - -private: - QAudioOutputPrivate *const m_audioDevice; -}; - -class QAudioOutputPrivate - : public QAbstractAudioOutput -{ - friend class SymbianAudioOutputPrivate; - Q_OBJECT -public: - QAudioOutputPrivate(const QByteArray &device); - ~QAudioOutputPrivate(); - - // QAbstractAudioOutput - void start(QIODevice *device); - QIODevice* start(); - void stop(); - void reset(); - void suspend(); - void resume(); - int bytesFree() 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; - QAudioFormat format() const; - void setFormat(const QAudioFormat& fmt); - -private slots: - void dataReady(); - void notifyTimerExpired(); - void underflowTimerExpired(); - void devsoundInitializeComplete(int err); - void devsoundBufferToBeFilled(CMMFBuffer *); - void devsoundPlayError(int err); - -private: - void open(); - void startPlayback(); - void writePaddingData(); - qint64 pushData(const char *data, qint64 len); - void pullData(); - void bufferFilled(); - void lastBufferFilled(); - Q_INVOKABLE void close(); - - qint64 getSamplesPlayed() const; - - void setError(QAudio::Error error); - void setState(SymbianAudio::State state); - - bool isDataReady() const; - -private: - const QByteArray m_device; - QAudioFormat m_format; - - int m_clientBufferSize; - int m_notifyInterval; - QScopedPointer<QTimer> m_notifyTimer; - qint64 m_lastNotifyPosition; - QTime m_elapsed; - QAudio::Error m_error; - - SymbianAudio::State m_internalState; - QAudio::State m_externalState; - - bool m_pullMode; - QIODevice *m_source; - - SymbianAudio::DevSoundWrapper* m_devSound; - - // Buffer provided by DevSound, to be filled with data. - CMMFDataBuffer *m_devSoundBuffer; - - int m_devSoundBufferSize; - - // Number of bytes transferred from QIODevice to QAudioOutput. It is - // necessary to count this because data is dropped when suspend() is - // called. The difference between the position reported by DevSound and - // this value allows us to calculate m_bytesPadding; - quint32 m_bytesWritten; - - // True if client has provided data while the audio subsystem was not - // ready to consume it. - bool m_pushDataReady; - - // Number of zero bytes which will be written when client calls resume(). - quint32 m_bytesPadding; - - // True if PlayError(KErrUnderflow) has been called. - bool m_underflow; - - // True if a buffer marked with the "last buffer" flag has been provided - // to DevSound. - bool m_lastBuffer; - - // Some DevSound implementations ignore all underflow errors raised by the - // audio driver, unless the last buffer flag has been set by the client. - // In push-mode playback, this flag will never be set, so the underflow - // error will never be reported. In order to work around this, a timer - // is used, which gets reset every time the client provides more data. If - // the timer expires, an underflow error is raised by this object. - QScopedPointer<QTimer> m_underflowTimer; - - // Result of previous call to CMMFDevSound::SamplesPlayed(). This value is - // used to determine whether, when m_underflowTimer expires, an - // underflow error has actually occurred. - quint32 m_samplesPlayed; - - // Samples played up to the last call to suspend(). It is necessary - // to cache this because suspend() is implemented using - // CMMFDevSound::Stop(), which resets DevSound's SamplesPlayed() counter. - quint32 m_totalSamplesPlayed; - -}; - -QT_END_NAMESPACE - -#endif |