/*************************************************************************** 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 #endif #include #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 TQObject, public PluginBase, public IRadioDevice, // public IRadioSound, public ISeekRadio, public IFrequencyRadio, public ISoundStreamClient, public IV4LCfg { Q_OBJECT public: V4LRadio (const TQString &name); virtual ~V4LRadio (); virtual bool connectI (Interface *); virtual bool disconnectI (Interface *); virtual TQString pluginClassName() const { return "V4LRadio"; } virtual const TQString &name() const { return PluginBase::name(); } virtual TQString &name() { return PluginBase::name(); } // PluginBase public: virtual void saveState (TDEConfig *) const; virtual void restoreState (TDEConfig *); 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 TQString & 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, TQString &descr) const; bool getSoundStreamRadioStation(SoundStreamID id, const RadioStation *&rs) const; bool enumerateSoundStreams(TQMap &list) const; // bool stopCapture(SoundStreamID id); // if active playback also call stopPlayback // IV4LCfg RECEIVERS: bool setRadioDevice (const TQString &s); bool setPlaybackMixer(const TQString &soundStreamClientID, const TQString &ch); bool setCaptureMixer (const TQString &soundStreamClientID, const TQString &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 TQString &getRadioDevice () const { return m_radioDev; } const TQString &getPlaybackMixerID () const { return m_PlaybackMixerID; } const TQString &getCaptureMixerID () const { return m_CaptureMixerID; } const TQString &getPlaybackMixerChannel() const { return m_PlaybackMixerChannel; } const TQString &getCaptureMixerChannel () const { return m_CaptureMixerChannel; } float getDeviceVolume () const; V4LCaps getCapabilities(TQString dev = TQString()) 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 TQString &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; TQString 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 TQTimer 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; TQString m_PlaybackMixerID; TQString m_CaptureMixerID; TQString m_PlaybackMixerChannel; TQString m_CaptureMixerChannel; bool m_ActivePlayback; bool m_MuteOnPowerOff; bool m_VolumeZeroOnPowerOff; bool m_restorePowerOn; }; #endif