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spiralsynthmodular
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spiralsynthmodular/SpiralSound/Plugins/OutputPlugin/OutputPlugin.h

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  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. #include "../SpiralPlugin.h"

  20. #include "../../RiffWav.h"

  21. #include <FL/Fl_Pixmap.H>

  22. 

  23. #ifndef OutputPLUGIN

  24. #define OutputPLUGIN

  25. 

  26. class OSSOutput

  27. {

  28. public:

  29. 	static OSSOutput *Get()       { if(!m_Singleton) m_Singleton=new OSSOutput; return m_Singleton; }

  30. 	static void PackUpAndGoHome() { if(m_Singleton)  { delete m_Singleton; m_Singleton=NULL; } }

  31. 	~OSSOutput();

  32. 

  33. 	void    AllocateBuffer();

  34. 	void    SendStereo(const Sample *ldata,const Sample *rdata);

  35. 	void    GetStereo(Sample *ldata,Sample *rdata);

  36. 	void    SetVolume(float s) {m_Amp=s;}

  37. 	void    SetNumChannels(int s) {m_Channels=s;}

  38. 	float   GetVolume() {return m_Amp;}

  39. 	void    Play();

  40. 	void    Read();

  41. 	void    WavOpen(char* name) {m_Wav.Open(name,WavFile::WRITE, WavFile::STEREO);}

  42. 	void    WavClose() {m_Wav.Close();}

  43. 	short  *GetBuffer() {return m_Buffer[m_WriteBufferNum];}

  44. 

  45. 	bool 	OpenReadWrite();

  46. 	bool    OpenWrite();

  47. 	bool    OpenRead();

  48. 	bool    Close();

  49. 

  50. private:

  51. 	static OSSOutput* m_Singleton;

  52. 

  53.  	OSSOutput();

  54. 

  55. 	short  *m_Buffer[2];

  56. 	short  *m_InBuffer[2];

  57. 	int     m_BufSizeBytes;

  58. 	int     m_Dspfd;

  59. 	float   m_Amp;

  60. 	int     m_Channels;

  61. 	WavFile m_Wav;

  62. 	int    	m_ReadBufferNum;

  63. 	int     m_WriteBufferNum;

  64. 	bool    m_OutputOk;

  65. };

  66. 

  67. 

  68. class OutputPlugin : public SpiralPlugin

  69. {

  70. public:

  71. 	enum Mode {NO_MODE,INPUT,OUTPUT,DUPLEX,CLOSED};

  72. 

  73.  	OutputPlugin();

  74. 	virtual ~OutputPlugin();

  75. 

  76. 	virtual PluginInfo& Initialise(const HostInfo *Host);

  77. 	virtual SpiralGUIType*  CreateGUI();

  78. 	virtual void 		Execute();

  79. 	virtual void 		ExecuteCommands();

  80. 	virtual void	    StreamOut(std::ostream &s) {}

  81. 	virtual void	    StreamIn(std::istream &s)  {}

  82. 

  83. 	enum GUICommands {NONE, OPENREAD, OPENWRITE, OPENDUPLEX, CLOSE, SET_VOLUME, CLEAR_NOTIFY};

  84. 	float m_Volume;

  85. 

  86. 	Mode GetMode() { return m_Mode; }

  87. 

  88. private:

  89. 	static int m_RefCount;

  90. 	static int m_NoExecuted;

  91. 	static Mode m_Mode;

  92.         bool m_NotifyOpenOut;

  93. 	bool m_CheckedAlready;

  94. 	bool m_Recmode;

  95. };

  96. 

  97. #endif