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267 lines
8.9 KiB
267 lines
8.9 KiB
/***************************************************************************
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v4lradio.h - description
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-------------------
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begin : Jan 2002
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copyright : (C) 2002-2005 Ernst Martin Witte, Klas Kalass
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email : witte@kawo1.rwth-aachen.de, klas@kde.org
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef KRADIO_V4LRADIO_H
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#define KRADIO_V4LRADIO_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <tqtimer.h>
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#include "../../src/include/radiodevice_interfaces.h"
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#include "../../src/include/plugins.h"
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#include "../../src/include/frequencyradiostation.h"
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#include "../../src/include/frequencyseekhelper.h"
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#include "../../src/include/soundstreamclient_interfaces.h"
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#include "v4lcfg_interfaces.h"
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struct video_tuner;
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struct video_audio;
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#ifdef HAVE_V4L2
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struct v4l2_tuner;
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#endif
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class V4LRadio : public TQObject,
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public PluginBase,
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public IRadioDevice,
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// public IRadioSound,
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public ISeekRadio,
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public IFrequencyRadio,
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public ISoundStreamClient,
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public IV4LCfg
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{
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Q_OBJECT
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public:
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V4LRadio (const TQString &name);
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virtual ~V4LRadio ();
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virtual bool connectI (Interface *);
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virtual bool disconnectI (Interface *);
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virtual TQString pluginClassName() const { return "V4LRadio"; }
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virtual const TQString &name() const { return PluginBase::name(); }
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virtual TQString &name() { return PluginBase::name(); }
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// PluginBase
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public:
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virtual void saveState (TDEConfig *) const;
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virtual void restoreState (TDEConfig *);
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virtual void startPlugin();
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virtual ConfigPageInfo createConfigurationPage();
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virtual AboutPageInfo createAboutPage();
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// IRadioDevice methods
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RECEIVERS:
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virtual bool setPower(bool p);
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virtual bool powerOn();
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virtual bool powerOff();
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virtual bool activateStation(const RadioStation &rs);
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ANSWERS:
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virtual bool isPowerOn() const;
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virtual bool isPowerOff() const;
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virtual SoundStreamID getSoundStreamID() const;
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virtual const RadioStation & getCurrentStation() const;
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virtual const TQString & getDescription() const;
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virtual SoundStreamID getCurrentSoundStreamID() const;
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// ISeekRadio
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RECEIVERS:
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virtual bool toBeginning();
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virtual bool toEnd();
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virtual bool startSeek (bool up);
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virtual bool startSeekUp();
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virtual bool startSeekDown();
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virtual bool stopSeek();
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ANSWERS:
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virtual bool isSeekRunning() const;
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virtual bool isSeekUpRunning() const;
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virtual bool isSeekDownRunning() const;
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virtual float getProgress () const;
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// IFrequencyRadio
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RECEIVERS:
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virtual bool setFrequency(float f);
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virtual bool setMinFrequency(float mf);
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virtual bool setMaxFrequency(float mf);
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virtual bool setScanStep(float s);
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ANSWERS:
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virtual float getFrequency() const;
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virtual float getMinFrequency() const;
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virtual float getMinDeviceFrequency() const;
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virtual float getMaxFrequency() const;
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virtual float getMaxDeviceFrequency() const;
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virtual float getScanStep() const;
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// ISoundStreamClient: mixer functions
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RECEIVERS:
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void noticeConnectedI (ISoundStreamServer *s, bool pointer_valid);
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void noticeConnectedSoundClient(ISoundStreamClient::thisInterface *i, bool pointer_valid);
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bool setTreble (SoundStreamID, float v);
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bool setBass (SoundStreamID, float v);
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bool setBalance (SoundStreamID, float v);
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bool mute (SoundStreamID, bool mute = true);
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bool unmute (SoundStreamID, bool unmute = true);
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bool setSignalMinQuality(SoundStreamID, float q);
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bool setStereo(SoundStreamID, bool s);
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bool getTreble(SoundStreamID, float &v) const;
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bool getBass (SoundStreamID, float &v) const;
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bool getBalance (SoundStreamID, float &b) const;
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bool getSignalQuality(SoundStreamID, float &q) const;
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bool getSignalMinQuality(SoundStreamID, float &q) const;
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bool hasGoodQuality(SoundStreamID, bool &) const;
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bool isStereo(SoundStreamID, bool &s) const;
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bool isMuted(SoundStreamID, bool &m) const;
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// ISoundStreamClient: generic stream handling (broadcasts)
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RECEIVERS:
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bool getSoundStreamDescription(SoundStreamID id, TQString &descr) const;
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bool getSoundStreamRadioStation(SoundStreamID id, const RadioStation *&rs) const;
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bool enumerateSoundStreams(TQMap<TQString, SoundStreamID> &list) const;
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// bool stopCapture(SoundStreamID id); // if active playback also call stopPlayback
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// IV4LCfg
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RECEIVERS:
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bool setRadioDevice (const TQString &s);
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bool setPlaybackMixer(const TQString &soundStreamClientID, const TQString &ch);
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bool setCaptureMixer (const TQString &soundStreamClientID, const TQString &ch);
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bool setDeviceVolume (float v);
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bool setActivePlayback(bool a);
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bool setMuteOnPowerOff(bool a);
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bool setVolumeZeroOnPowerOff(bool a);
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// if the radio is powered off, we will handle the volume by changing m_defaultPlaybackVolume
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bool setPlaybackVolume(SoundStreamID id, float volume);
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bool getPlaybackVolume(SoundStreamID id, float &volume) const;
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ANSWERS:
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const TQString &getRadioDevice () const { return m_radioDev; }
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const TQString &getPlaybackMixerID () const { return m_PlaybackMixerID; }
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const TQString &getCaptureMixerID () const { return m_CaptureMixerID; }
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const TQString &getPlaybackMixerChannel() const { return m_PlaybackMixerChannel; }
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const TQString &getCaptureMixerChannel () const { return m_CaptureMixerChannel; }
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float getDeviceVolume () const;
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V4LCaps getCapabilities(TQString dev = TQString()) const;
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bool getActivePlayback() const { return m_ActivePlayback; }
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bool getMuteOnPowerOff() const { return m_MuteOnPowerOff; }
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bool getVolumeZeroOnPowerOff() const { return m_VolumeZeroOnPowerOff; }
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// anything else
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protected slots:
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void poll();
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protected:
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V4LCaps readV4LCaps(const TQString &device) const;
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void radio_init();
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void radio_done();
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bool readTunerInfo() const;
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bool updateAudioInfo(bool write) const;
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bool readAudioInfo() const { return updateAudioInfo(false); }
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bool writeAudioInfo() const { return updateAudioInfo(true); }
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void searchMixers(ISoundStreamClient **playback_mixer, ISoundStreamClient **capture_mixer);
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protected:
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FrequencyRadioStation m_currentStation;
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mutable float m_treble;
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mutable float m_bass;
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mutable float m_balance;
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mutable float m_deviceVolume;
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mutable bool m_muted;
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mutable float m_signalQuality;
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mutable bool m_stereo;
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float m_minQuality;
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float m_minFrequency;
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float m_maxFrequency;
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mutable float m_lastMinDevFrequency;
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mutable float m_lastMaxDevFrequency;
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float m_defaultPlaybackVolume;
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FrequencySeekHelper *m_seekHelper;
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float m_scanStep;
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V4LCaps m_caps;
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TQString m_radioDev;
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int m_radio_fd;
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mutable bool m_useOldV4L2Calls;
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mutable struct video_audio *m_audio;
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mutable struct video_tuner *m_tuner;
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#ifdef HAVE_V4L2
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mutable struct v4l2_tuner *m_tuner2;
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#endif
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TQTimer m_pollTimer;
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struct TunerCache {
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bool valid;
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float deltaF;
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float minF, maxF;
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TunerCache() { valid = false; deltaF = minF = maxF = 0; }
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};
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mutable struct TunerCache m_tunercache;
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mutable bool m_blockReadTuner,
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m_blockReadAudio;
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SoundStreamID m_SoundStreamID;
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TQString m_PlaybackMixerID;
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TQString m_CaptureMixerID;
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TQString m_PlaybackMixerChannel;
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TQString m_CaptureMixerChannel;
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bool m_ActivePlayback;
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bool m_MuteOnPowerOff;
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bool m_VolumeZeroOnPowerOff;
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bool m_restorePowerOn;
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};
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#endif
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