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tderadio/plugins/v4lradio/v4lcfg_interfaces.h

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/***************************************************************************
v4lradio_interfaces.h - description
-------------------
begin : Sam Jun 21 2003
copyright : (C) 2003 by 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_V4LCFG_INTERFACES_H
#define KRADIO_V4LCFG_INTERFACES_H
#include "../../src/include/interfaces.h"
#include "math.h"
struct V4LCaps
{
int version;
TQString description;
bool hasMute;
bool hasVolume;
int minVolume, maxVolume;
bool hasTreble;
int minTreble, maxTreble;
bool hasBass;
int minBass, maxBass;
bool hasBalance;
int minBalance, maxBalance;
V4LCaps();
V4LCaps(const V4LCaps &);
float volumeStep() const { return 1.0 / (float)(maxVolume - minVolume); }
float trebleStep() const { return 1.0 / (float)(maxTreble - minTreble); }
float bassStep() const { return 1.0 / (float)(maxBass - minBass); }
float balanceStep() const { return 1.0 / (float)(maxBalance - minBalance); }
void setVolume (int min, int max) { hasVolume = true; minVolume = min; maxVolume = max; }
void setTreble (int min, int max) { hasTreble = true; minTreble = min; maxTreble = max; }
void setBass (int min, int max) { hasBass = true; minBass = min; maxBass = max; }
void setBalance(int min, int max) { hasBalance = true; minBalance = min; maxBalance = max; }
void unsetVolume () { hasVolume = false; minVolume = 0; maxVolume = 65535; }
void unsetTreble () { hasTreble = false; minTreble = 0; maxTreble = 65535; }
void unsetBass () { hasBass = false; minBass = 0; maxBass = 65535; }
void unsetBalance() { hasBalance = false; minBalance = 0; maxBalance = 65535; }
int intGetVolume (float f) const { return (int)rint(minVolume + (maxVolume - minVolume ) * f); }
int intGetTreble (float f) const { return (int)rint(minTreble + (maxTreble - minTreble ) * f); }
int intGetBass (float f) const { return (int)rint(minBass + (maxBass - minBass ) * f); }
int intGetBalance(float f) const { return (int)rint(minBalance + (maxBalance - minBalance) / 2.0 * (1.0 + f)); }
float floatGetVolume (int i) const { return (float)(i - minVolume) * volumeStep(); }
float floatGetTreble (int i) const { return (float)(i - minTreble) * trebleStep(); }
float floatGetBass (int i) const { return (float)(i - minBass ) * bassStep(); }
float floatGetBalance(int i) const { return (float)(i - minBalance) * balanceStep() * 2.0 - 1.0; }
};
INTERFACE(IV4LCfg, IV4LCfgClient)
{
public:
IF_CON_DESTRUCTOR(IV4LCfg, -1)
RECEIVERS:
IF_RECEIVER( setRadioDevice (const TQString &s) )
IF_RECEIVER( setPlaybackMixer(const TQString &soundStreamClientID, const TQString &ch) )
IF_RECEIVER( setCaptureMixer (const TQString &soundStreamClientID, const TQString &ch) )
IF_RECEIVER( setDeviceVolume(float v) )
IF_RECEIVER( setActivePlayback(bool a) )
IF_RECEIVER( setMuteOnPowerOff(bool m) )
IF_RECEIVER( setVolumeZeroOnPowerOff(bool m) )
SENDERS:
IF_SENDER ( notifyRadioDeviceChanged (const TQString &s) )
IF_SENDER ( notifyPlaybackMixerChanged(const TQString &soundStreamClientID, const TQString &Channel) )
IF_SENDER ( notifyCaptureMixerChanged (const TQString &soundStreamClientID, const TQString &Channel) )
IF_SENDER ( notifyDeviceVolumeChanged (float v) )
IF_SENDER ( notifyCapabilitiesChanged (const V4LCaps &) )
IF_SENDER ( notifyActivePlaybackChanged (bool a) )
IF_SENDER ( notifyMuteOnPowerOffChanged (bool a) )
IF_SENDER ( notifyVolumeZeroOnPowerOffChanged (bool a) )
ANSWERS:
IF_ANSWER ( const TQString &getRadioDevice () const )
IF_ANSWER ( const TQString &getPlaybackMixerID () const )
IF_ANSWER ( const TQString &getCaptureMixerID () const )
IF_ANSWER ( const TQString &getPlaybackMixerChannel() const )
IF_ANSWER ( const TQString &getCaptureMixerChannel() const )
IF_ANSWER ( float getDeviceVolume() const )
IF_ANSWER ( V4LCaps getCapabilities(TQString dev = TQString()) const )
IF_ANSWER ( bool getActivePlayback() const )
IF_ANSWER ( bool getMuteOnPowerOff() const )
IF_ANSWER ( bool getVolumeZeroOnPowerOff() const )
};
INTERFACE(IV4LCfgClient, IV4LCfg)
{
public:
IF_CON_DESTRUCTOR(IV4LCfgClient, 1)
SENDERS:
IF_SENDER ( sendRadioDevice (const TQString &s) )
IF_SENDER ( sendPlaybackMixer(const TQString &soundStreamClientID, const TQString &ch) )
IF_SENDER ( sendCaptureMixer (const TQString &soundStreamClientID, const TQString &ch) )
IF_SENDER ( sendDeviceVolume(float v) )
IF_SENDER ( sendActivePlayback(bool a) )
IF_SENDER ( sendMuteOnPowerOff(bool a) )
IF_SENDER ( sendVolumeZeroOnPowerOff(bool a) )
RECEIVERS:
IF_RECEIVER( noticeRadioDeviceChanged(const TQString &s) )
IF_RECEIVER( noticePlaybackMixerChanged(const TQString &soundStreamClientID, const TQString &Channel) )
IF_RECEIVER( noticeCaptureMixerChanged (const TQString &soundStreamClientID, const TQString &Channel) )
IF_RECEIVER( noticeDeviceVolumeChanged(float v) )
IF_RECEIVER( noticeCapabilitiesChanged(const V4LCaps &) )
IF_RECEIVER( noticeActivePlaybackChanged(bool a) )
IF_RECEIVER( noticeMuteOnPowerOffChanged(bool a) )
IF_RECEIVER( noticeVolumeZeroOnPowerOffChanged(bool a) )
QUERIES:
IF_QUERY ( const TQString &queryRadioDevice () )
IF_QUERY ( const TQString &queryPlaybackMixerID () )
IF_QUERY ( const TQString &queryCaptureMixerID () )
IF_QUERY ( const TQString &queryPlaybackMixerChannel() )
IF_QUERY ( const TQString &queryCaptureMixerChannel() )
IF_QUERY ( float queryDeviceVolume() )
IF_QUERY ( V4LCaps queryCapabilities(TQString dev = TQString()) )
IF_QUERY ( bool queryActivePlayback() )
IF_QUERY ( bool queryMuteOnPowerOff() )
IF_QUERY ( bool queryVolumeZeroOnPowerOff() )
RECEIVERS:
virtual void noticeConnectedI (cmplInterface *, bool /*pointer_valid*/);
virtual void noticeDisconnectedI (cmplInterface *, bool /*pointer_valid*/);
};
#endif