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/***************************************************************************
v4lradio.h - description
-------------------
begin : Jan 2002
copyright : (C) 2002-2005 Ernst Martin Witte, Klas Kalass
email : witte@kawo1.rwth-aachen.de, klas@kde.org
***************************************************************************/
/***************************************************************************
* *
* 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_V4LRADIO_H
#define KRADIO_V4LRADIO_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <qtimer.h>
#include "../../src/include/radiodevice_interfaces.h"
#include "../../src/include/plugins.h"
#include "../../src/include/frequencyradiostation.h"
#include "../../src/include/frequencyseekhelper.h"
#include "../../src/include/soundstreamclient_interfaces.h"
#include "v4lcfg_interfaces.h"
struct video_tuner;
struct video_audio;
#ifdef HAVE_V4L2
struct v4l2_tuner;
#endif
class V4LRadio : public QObject,
public PluginBase,
public IRadioDevice,
// public IRadioSound,
public ISeekRadio,
public IFrequencyRadio,
public ISoundStreamClient,
public IV4LCfg
{
Q_OBJECT
public:
V4LRadio (const QString &name);
virtual ~V4LRadio ();
virtual bool connectI (Interface *);
virtual bool disconnectI (Interface *);
virtual QString pluginClassName() const { return "V4LRadio"; }
virtual const QString &name() const { return PluginBase::name(); }
virtual QString &name() { return PluginBase::name(); }
// PluginBase
public:
virtual void saveState (KConfig *) const;
virtual void restoreState (KConfig *);
virtual void startPlugin();
virtual ConfigPageInfo createConfigurationPage();
virtual AboutPageInfo createAboutPage();
// IRadioDevice methods
RECEIVERS:
virtual bool setPower(bool p);
virtual bool powerOn();
virtual bool powerOff();
virtual bool activateStation(const RadioStation &rs);
ANSWERS:
virtual bool isPowerOn() const;
virtual bool isPowerOff() const;
virtual SoundStreamID getSoundStreamID() const;
virtual const RadioStation & getCurrentStation() const;
virtual const QString & getDescription() const;
virtual SoundStreamID getCurrentSoundStreamID() const;
// ISeekRadio
RECEIVERS:
virtual bool toBeginning();
virtual bool toEnd();
virtual bool startSeek (bool up);
virtual bool startSeekUp();
virtual bool startSeekDown();
virtual bool stopSeek();
ANSWERS:
virtual bool isSeekRunning() const;
virtual bool isSeekUpRunning() const;
virtual bool isSeekDownRunning() const;
virtual float getProgress () const;
// IFrequencyRadio
RECEIVERS:
virtual bool setFrequency(float f);
virtual bool setMinFrequency(float mf);
virtual bool setMaxFrequency(float mf);
virtual bool setScanStep(float s);
ANSWERS:
virtual float getFrequency() const;
virtual float getMinFrequency() const;
virtual float getMinDeviceFrequency() const;
virtual float getMaxFrequency() const;
virtual float getMaxDeviceFrequency() const;
virtual float getScanStep() const;
// ISoundStreamClient: mixer functions
RECEIVERS:
void noticeConnectedI (ISoundStreamServer *s, bool pointer_valid);
void noticeConnectedSoundClient(ISoundStreamClient::thisInterface *i, bool pointer_valid);
bool setTreble (SoundStreamID, float v);
bool setBass (SoundStreamID, float v);
bool setBalance (SoundStreamID, float v);
bool mute (SoundStreamID, bool mute = true);
bool unmute (SoundStreamID, bool unmute = true);
bool setSignalMinQuality(SoundStreamID, float q);
bool setStereo(SoundStreamID, bool s);
bool getTreble(SoundStreamID, float &v) const;
bool getBass (SoundStreamID, float &v) const;
bool getBalance (SoundStreamID, float &b) const;
bool getSignalQuality(SoundStreamID, float &q) const;
bool getSignalMinQuality(SoundStreamID, float &q) const;
bool hasGoodQuality(SoundStreamID, bool &) const;
bool isStereo(SoundStreamID, bool &s) const;
bool isMuted(SoundStreamID, bool &m) const;
// ISoundStreamClient: generic stream handling (broadcasts)
RECEIVERS:
bool getSoundStreamDescription(SoundStreamID id, QString &descr) const;
bool getSoundStreamRadioStation(SoundStreamID id, const RadioStation *&rs) const;
bool enumerateSoundStreams(QMap<QString, SoundStreamID> &list) const;
// bool stopCapture(SoundStreamID id); // if active playback also call stopPlayback
// IV4LCfg
RECEIVERS:
bool setRadioDevice (const QString &s);
bool setPlaybackMixer(const QString &soundStreamClientID, const QString &ch);
bool setCaptureMixer (const QString &soundStreamClientID, const QString &ch);
bool setDeviceVolume (float v);
bool setActivePlayback(bool a);
bool setMuteOnPowerOff(bool a);
bool setVolumeZeroOnPowerOff(bool a);
// if the radio is powered off, we will handle the volume by changing m_defaultPlaybackVolume
bool setPlaybackVolume(SoundStreamID id, float volume);
bool getPlaybackVolume(SoundStreamID id, float &volume) const;
ANSWERS:
const QString &getRadioDevice () const { return m_radioDev; }
const QString &getPlaybackMixerID () const { return m_PlaybackMixerID; }
const QString &getCaptureMixerID () const { return m_CaptureMixerID; }
const QString &getPlaybackMixerChannel() const { return m_PlaybackMixerChannel; }
const QString &getCaptureMixerChannel () const { return m_CaptureMixerChannel; }
float getDeviceVolume () const;
V4LCaps getCapabilities(QString dev = QString::null) const;
bool getActivePlayback() const { return m_ActivePlayback; }
bool getMuteOnPowerOff() const { return m_MuteOnPowerOff; }
bool getVolumeZeroOnPowerOff() const { return m_VolumeZeroOnPowerOff; }
// anything else
protected slots:
void poll();
protected:
V4LCaps readV4LCaps(const QString &device) const;
void radio_init();
void radio_done();
bool readTunerInfo() const;
bool updateAudioInfo(bool write) const;
bool readAudioInfo() const { return updateAudioInfo(false); }
bool writeAudioInfo() const { return updateAudioInfo(true); }
void searchMixers(ISoundStreamClient **playback_mixer, ISoundStreamClient **capture_mixer);
protected:
FrequencyRadioStation m_currentStation;
mutable float m_treble;
mutable float m_bass;
mutable float m_balance;
mutable float m_deviceVolume;
mutable bool m_muted;
mutable float m_signalQuality;
mutable bool m_stereo;
float m_minQuality;
float m_minFrequency;
float m_maxFrequency;
mutable float m_lastMinDevFrequency;
mutable float m_lastMaxDevFrequency;
float m_defaultPlaybackVolume;
FrequencySeekHelper *m_seekHelper;
float m_scanStep;
V4LCaps m_caps;
QString m_radioDev;
int m_radio_fd;
mutable bool m_useOldV4L2Calls;
mutable struct video_audio *m_audio;
mutable struct video_tuner *m_tuner;
#ifdef HAVE_V4L2
mutable struct v4l2_tuner *m_tuner2;
#endif
QTimer m_pollTimer;
struct TunerCache {
bool valid;
float deltaF;
float minF, maxF;
TunerCache() { valid = false; deltaF = minF = maxF = 0; }
};
mutable struct TunerCache m_tunercache;
mutable bool m_blockReadTuner,
m_blockReadAudio;
SoundStreamID m_SoundStreamID;
QString m_PlaybackMixerID;
QString m_CaptureMixerID;
QString m_PlaybackMixerChannel;
QString m_CaptureMixerChannel;
bool m_ActivePlayback;
bool m_MuteOnPowerOff;
bool m_VolumeZeroOnPowerOff;
bool m_restorePowerOn;
};
#endif
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