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118 lines
2.8 KiB
118 lines
2.8 KiB
15 years ago
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/*
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generic Implementation of a cd-player
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Copyright (C) 1998 Martin Vogt
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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 Library General Public License as published by
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the Free Software Foundation.
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For more information look at the file COPYRIGHT in this package
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*/
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#ifndef __INPUTDECODERXPLAYER_H
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#define __INPUTDECODERXPLAYER_H
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#include "../yafcore/inputDecoder.h"
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#include "yafOutputStream.h"
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/**
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major modes . it should be not necessary to define
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new modes.
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What are "major modes"?
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<p>
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The idea of the major modes, is that this is a very
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general description of an abstract cd player.
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When the decoder works yaf send these
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major modes to the frontend.
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<p>
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These Major modes describes the basic commands which
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every yaf-decoder implementation should support:
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<pre>
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on/off
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open/close
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pause/play
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</pre>
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Thus it is possible that a frontend works with
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a decoder even if the frontend does not fully support all
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the commands (e.g: switch to mono etc...)
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<pre>
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If you think you have a new "mode" its almost a "feature"
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eg: You have a command "jump" but this is not a "mode"
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because you can press "jump" on your cd player even
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if the cd player is off OR on OR playing OR paused
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In all these cases the command does not affect the
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state of your cd-player. Or do you have a player
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which switches itself on if you press e.g. "Track 1" ?
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</pre>
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*/
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#define _PLAYER_MAJOR_MODE_OFF 1
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#define _PLAYER_MAJOR_MODE_ON 2
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#define _PLAYER_MAJOR_MODE_OPEN_TRACK 3
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#define _PLAYER_MAJOR_MODE_CLOSE_TRACK 4
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#define _PLAYER_MAJOR_MODE_PLAYING 5
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#define _PLAYER_MAJOR_MODE_PAUSE 6
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/*
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off: the cd player is switched off (/dev/dsp is unlocked)
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on : (you may play the inserte cd) (/dev/dsp is locked)
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playing: cd player plays something (player is switched on)
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pause: does not play "
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open track : think of it that you "select a track" you
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can only open a track if the player is "ON"
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close track: eject the cd from player.
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(This does not necessarily mean that /dev/dsp is unlocked)
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*/
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class CommandTableXPlayer;
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class InputDecoderXPlayer : public InputDecoder {
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public:
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InputDecoderXPlayer(YafOutputStream* yafOutput);
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~InputDecoderXPlayer();
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const char* processCommand(int command,const char* args);
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void doSomething();
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void setMajorMode(int mode);
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int getMajorMode();
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void setMajorModeInfo(int lDisplayMajorMode);
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int getMajorModeInfo();
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int getOn();
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void setOn(int lOn);
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private:
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int majorMode;
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CommandTableXPlayer* ct;
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int lDisplayMajorMode;
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OutputInterface* output;
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YafOutputStream* yafOutput;
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int isOn;
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};
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#endif
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