/usr/include/qmmp/inputsource.h is in qmmp 1.0.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2009-2013 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef INPUTSOURCE_H
#define INPUTSOURCE_H
#include <QObject>
#include <QString>
#include <QStringList>
#include <QIODevice>
#include <QMap>
#include <QHash>
#include "qmmp.h"
#include "inputsourcefactory.h"
class QmmpPluginCache;
/*! @brief The InputSource class provides the base interface class of transports.
* @author Ilya Kotov <forkotov02@hotmail.ru>
*/
class InputSource : public QObject
{
Q_OBJECT
public:
/*!
* Object contsructor.
* @param url Input source path or url.
* @param parent Parent object.
*/
InputSource(const QString &url, QObject *parent = 0);
/*!
* Returns QIODevice-based object for I/O operations.
* Subclass shoud reimplement this function.
*/
virtual QIODevice *ioDevice() = 0;
/*!
* Prepares input data source for usage.
* Subclass shoud reimplement this function.
*/
virtual bool initialize() = 0;
/*!
* Returns \b true if transport is ready for usage; otherwise returns \b false.
*/
virtual bool isReady() = 0;
/*!
* Returns \b true if the transport is waiting more data; otherwise returns \b false.
* Reader should wait until this function returns \b false.
* Default implementation allways returns \b false.
*/
virtual bool isWaiting();
/*!
* Returns content type of the input stream. Default implementation returns empty string.
*/
virtual QString contentType() const;
/*!
* Returns input source path or url.
*/
const QString url() const;
/*!
* Returns start position in ms;
*/
qint64 offset() const;
/*!
* Sets start position to \b offset ms.
*/
void setOffset(qint64 offset);
/*!
* Informs input source object about new received metadata.
* Call of this function is required for all non-local streams/files
* @param metaData Metadata map.
*/
void addMetaData(const QMap<Qmmp::MetaData, QString> &metaData);
/*!
* Returns \b true when new metadata has received, otherwise returns \b false.
*/
bool hasMetaData() const;
/*!
* Takes metadata out of InputSource object and returns it.
* Attention: hasMetaData() should return \b true before use of this fuction.
*/
QMap<Qmmp::MetaData, QString> takeMetaData();
/*!
* Informs input source object about received stream information (for example icy data).
* Call of this function is required for all non-local streams/files
* @param info Stream information map.
*/
void addStreamInfo(const QHash<QString, QString> &info);
/*!
* Returns \b true when stream information has received, otherwise returns \b false.
*/
bool hasStreamInfo() const;
/*!
* Takes stream information out of InputSource object and returns it.
* Attention: hasStreamInfo() should return \b true before use of this fuction.
*/
QHash<QString, QString> takeStreamInfo();
/*!
* Creates InputSource object.
* @param url Input source path or url.
* @param parent Parent object.
* Returns \b 0 if the given url is not supported.
*/
static InputSource *create(const QString &url, QObject *parent = 0);
/*!
* Returns a list of transport factories.
*/
static QList<InputSourceFactory *> factories();
/*!
* Returns a list of enabled transport factories.
*/
static QList<InputSourceFactory *> enabledFactories();
/*!
* Returns plugin file path.
* @param factory Transport plugin factory.
*/
static QString file(InputSourceFactory *factory);
/*!
* Returns a list of supported protocols.
*/
static QStringList protocols();
/*!
* Sets whether the input plugin is enabled.
* @param factory Transport plugin factory.
* @param enable Plugin enable state (\b true - enable, \b false - disable)
*/
static void setEnabled(InputSourceFactory* factory, bool enable = true);
/*!
* Returns \b true if input plugin is enabled, otherwise returns \b false
* @param factory Decoder plugin factory.
*/
static bool isEnabled(InputSourceFactory* factory);
signals:
/*!
* This signal is emitted when transport is ready for usage.
*/
void ready();
/*!
* This signal is emitted after an error occurred.
*/
void error();
private:
QString m_url;
qint64 m_offset;
QMap<Qmmp::MetaData, QString> m_metaData;
QHash<QString, QString> m_streamInfo;
bool m_hasMetaData, m_hasStreamInfo;
static void loadPlugins();
static QList<QmmpPluginCache*> *m_cache;
static QStringList m_disabledNames;
};
#endif // INPUTSOURCE_H
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