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/***************************************************************************
timeshifter.h - description
-------------------
begin : May 16 2005
copyright : (C) 2005 Ernst Martin Witte
email : witte@kawo1.rwth-aachen.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef KRADIO_TIMESHIFTER_H
#define KRADIO_TIMESHIFTER_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "../../src/include/plugins.h"
#include "../../src/include/soundstreamclient_interfaces.h"
#include "../../src/include/fileringbuffer.h"
class TimeShifter : public QObject,
public PluginBase,
public ISoundStreamClient
{
Q_OBJECT
public:
TimeShifter (const QString &name);
virtual ~TimeShifter ();
virtual bool connectI (Interface *);
virtual bool disconnectI (Interface *);
virtual QString pluginClassName() const { return "TimeShifter"; }
virtual const QString &name() const { return PluginBase::name(); }
virtual QString &name() { return PluginBase::name(); }
// config
const QString &getPlaybackMixer() const { return m_PlaybackMixerID; }
const QString &getPlaybackMixerChannel() const { return m_PlaybackMixerChannel; }
const QString &getTempFileName() const { return m_TempFileName; }
Q_UINT64 getTempFileMaxSize() const { return m_TempFileMaxSize; }
void setTempFile(const QString &filename, Q_UINT64 s);
bool setPlaybackMixer(const QString &soundStreamClientID, const QString &ch);
// PluginBase
public:
virtual void saveState (KConfig *) const;
virtual void restoreState (KConfig *);
virtual ConfigPageInfo createConfigurationPage();
virtual AboutPageInfo createAboutPage();
protected:
ISoundStreamClient *searchPlaybackMixer();
size_t writeMetaDataToBuffer(const SoundMetaData &md, char *buffer, size_t buffer_size);
size_t readMetaDataFromBuffer(SoundMetaData &md, const char *buffer, size_t buffer_size);
void skipPacketInRingBuffer();
// SoundStreamClient
void noticeConnectedI (ISoundStreamServer *s, bool pointer_valid);
bool startCaptureWithFormat(SoundStreamID id,
const SoundFormat &proposed_format,
SoundFormat &real_format,
bool force_format);
bool stopCapture(SoundStreamID id);
bool noticeSoundStreamClosed(SoundStreamID id);
bool startPlayback(SoundStreamID id);
bool stopPlayback(SoundStreamID id);
bool pausePlayback(SoundStreamID id);
bool noticeSoundStreamData(SoundStreamID id, const SoundFormat &sf, const char *data, size_t size, size_t &consumed_size, const SoundMetaData &md);
bool noticeReadyForPlaybackData(SoundStreamID id, size_t size);
bool getSoundStreamDescription(SoundStreamID id, QString &descr) const;
// FIXME: react on redirect request
signals:
void sigUpdateConfig();
protected:
QString m_TempFileName;
size_t m_TempFileMaxSize;
SoundFormat m_SoundFormat;
SoundFormat m_realSoundFormat;
QString m_PlaybackMixerID;
QString m_PlaybackMixerChannel;
QString m_StreamFile;
bool m_StreamPaused;
SoundStreamID m_OrgStreamID;
SoundStreamID m_NewStreamID;
SoundFormat m_RealSoundFormat;
float m_orgVolume;
SoundMetaData m_PlaybackMetaData;
size_t m_PlaybackDataLeftInBuffer;
FileRingBuffer m_RingBuffer;
};
#endif
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