63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
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//
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// tones.h
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//
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#ifndef _TONES_H_
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#define _TONES_H_
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#include <windows.h>
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#include <mmsystem.h>
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#include <stdio.h>
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#include <wxdebug.h>
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#define WAVE_FILE_SIZE 1600
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#define NUM_DIGITS 12
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//////////////////////////////////////////////////////////////////////////////
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//
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// class CTonePlayer
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//
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// Implements tone player for a single phone device.
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//
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class CTonePlayer
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{
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public:
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CTonePlayer();
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~CTonePlayer();
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HRESULT Initialize(void);
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HRESULT OpenWaveDevice(long lWaveId);
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void CloseWaveDevice(void);
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BOOL IsInUse(void) { return (m_hWaveOut != NULL); }
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HRESULT StartDialtone(void);
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HRESULT StopDialtone(void);
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BOOL DialtonePlaying(void) { return m_fDialtonePlaying; }
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HRESULT GenerateDTMF(long lDigit);
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private:
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// TRUE if Initialize has succeeded.
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BOOL m_fInitialized;
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BOOL m_fDialtonePlaying;
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// Handle to the wave out device. NULL when the device is not open.
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HWAVEOUT m_hWaveOut;
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// Header structure that we submit to the wave device.
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WAVEHDR m_WaveHeader;
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// buffer containing dialtone waveform
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BYTE m_abDialtoneWaveform[ WAVE_FILE_SIZE ];
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// buffer containing all dtmf waveforms, concatenated in order, 0-9,*,#
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BYTE m_abDigitWaveforms [ NUM_DIGITS * WAVE_FILE_SIZE ];
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};
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#endif // _TONES_H_
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