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Diffstat (limited to 'src/multimedia/audio/qaudiodecoder_p.h')
-rw-r--r-- | src/multimedia/audio/qaudiodecoder_p.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/multimedia/audio/qaudiodecoder_p.h b/src/multimedia/audio/qaudiodecoder_p.h new file mode 100644 index 000000000..3a4072d3a --- /dev/null +++ b/src/multimedia/audio/qaudiodecoder_p.h @@ -0,0 +1,145 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QAUDIODECODER_H +#define QAUDIODECODER_H + +#include "qmediaobject.h" +#include "qmediaenumdebug.h" + +#include "qaudiobuffer.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Multimedia) + +class QAudioDecoderPrivate; +class Q_MULTIMEDIA_EXPORT QAudioDecoder : public QMediaObject +{ + Q_OBJECT + Q_PROPERTY(QString sourceFilename READ sourceFilename WRITE setSourceFilename NOTIFY sourceChanged) + Q_PROPERTY(State state READ state NOTIFY stateChanged) + Q_PROPERTY(QString error READ errorString) + Q_PROPERTY(bool bufferAvailable READ bufferAvailable NOTIFY bufferAvailableChanged) + + Q_ENUMS(State) + Q_ENUMS(Error) + +public: + enum State + { + StoppedState, + DecodingState, + WaitingState + }; + + enum Error + { + NoError, + ResourceError, + FormatError, + AccessDeniedError, + ServiceMissingError + }; + + QAudioDecoder(QObject *parent = 0); + ~QAudioDecoder(); + + static QtMultimedia::SupportEstimate hasSupport(const QString &mimeType, const QStringList& codecs = QStringList()); + + State state() const; + + QString sourceFilename() const; + void setSourceFilename(const QString &fileName); + + QIODevice* sourceDevice() const; + void setSourceDevice(QIODevice *device); + + QAudioFormat audioFormat() const; + void setAudioFormat(const QAudioFormat &format); + + Error error() const; + QString errorString() const; + + // Do we need position or duration? + + QAudioBuffer read(bool *ok = 0) const; + bool bufferAvailable() const; + +public Q_SLOTS: + void start(); + void stop(); + +Q_SIGNALS: + void bufferAvailableChanged(bool); + void bufferReady(); + + void stateChanged(QAudioDecoder::State newState); + void formatChanged(const QAudioFormat &format); + + void error(QAudioDecoder::Error error); + + void sourceChanged(); + +public: + virtual bool bind(QObject *); + virtual void unbind(QObject *); + +private: + Q_DISABLE_COPY(QAudioDecoder) + Q_DECLARE_PRIVATE(QAudioDecoder) + Q_PRIVATE_SLOT(d_func(), void _q_stateChanged(QAudioDecoder::State)) + Q_PRIVATE_SLOT(d_func(), void _q_error(int, const QString &)) +}; + +QT_END_NAMESPACE + +Q_DECLARE_METATYPE(QAudioDecoder::State) +Q_DECLARE_METATYPE(QAudioDecoder::Error) + +Q_MEDIA_ENUM_DEBUG(QAudioDecoder, State) +Q_MEDIA_ENUM_DEBUG(QAudioDecoder, Error) + +QT_END_HEADER + +#endif // QAUDIODECODER_H |