1 /*  SpiralSound
2  *  Copyleft (C) 2001 David Griffiths <dave@pawfal.org>
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License as published by
6  *  the Free Software Foundation; either version 2 of the License, or
7  *  (at your option) any later version.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with this program; if not, write to the Free Software
16  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18 
19 #ifndef MIXER_PLUGIN_H
20 #define MIXER_PLUGIN_H
21 
22 #include "../SpiralPlugin.h"
23 
24 static const int MAX_CHANNELS = 16;
25 
26 class MixerPlugin : public SpiralPlugin {
27   public:
28       MixerPlugin();
29       virtual ~MixerPlugin();
30       virtual PluginInfo &Initialise(const HostInfo *Host);
31       virtual SpiralGUIType *CreateGUI();
32       virtual void Execute();
33       virtual void ExecuteCommands();
34       virtual void StreamOut(std::ostream &s);
35       virtual void StreamIn(std::istream &s);
36       // has to be defined in the plugin
UpdateGUI()37       virtual void UpdateGUI() { Fl::check(); }
38       enum GUICommands { NONE, SETCH, SETNUM };
39       struct GUIArgs {
40 	     int Num;
41 	     float Value;
42              bool Peak;
43       };
GetChannel(int n)44       float GetChannel (int n) { return m_ChannelVal[n]; }
GetChannels(void)45       int GetChannels (void) { return m_NumChannels; }
46   private:
47       void CreatePorts (int n = 4, bool AddPorts = false);
48       GUIArgs m_GUIArgs;
49       int m_NumChannels;
50       void SetChannels (int n);
51       float m_ChannelVal[MAX_CHANNELS];
52 };
53 
54 #endif
55