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75 lines
1.6 KiB
C++
Executable file
75 lines
1.6 KiB
C++
Executable file
#ifndef __midisynth_win32_hpp__
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#define __midisynth_win32_hpp__
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#include "midisynth.hpp"
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class MidiSynth_Win32;
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struct hdrtyp {
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MIDIHDR header;
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int n;
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MidiSynth_Win32 *synth;
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};
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#define STREAMBUFLEN 256 // *4 = 4K of event data per quarter note
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class MidiSynth_Win32 : public JFAudMidiSynth {
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private:
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bool loop, paused, justpaused;
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HMIDISTRM streamhnd;
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struct hdrtyp headers[2];
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DWORD bufdata[2][STREAMBUFLEN], buffullness[2];
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int buffersplaying;
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MidiSequencer *seq;
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MidiSequencer::EMIDIDevice devtype;
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unsigned evtdelta, evtlength;
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unsigned char evtcommand;
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unsigned char const *evtdata;
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int bufferdata(int num);
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bool Reset(bool stop = true);
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void StopAllNotes(void);
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// for threaded buffering
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HANDLE threadhnd; DWORD threadid;
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CRITICAL_SECTION mutex;
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static DWORD WINAPI BufThread(class MidiSynth_Win32 *myself);
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// for callback notification
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static void CALLBACK midiCallback(HMIDIOUT handle, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2);
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// used internally by both thread and callback
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void _BufferDone(int n);
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bool _Update();
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void Lock();
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void Unlock();
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protected:
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public:
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MidiSynth_Win32();
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virtual ~MidiSynth_Win32();
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virtual bool Open(const char *dev);
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virtual bool Close(void);
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virtual bool Update(void);
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static char **Enumerate(char **def);
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virtual bool SetMedia(MidiSequencer *);
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virtual bool Play(void);
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virtual bool Stop(void);
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virtual bool Pause(void);
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virtual bool Resume(void);
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virtual bool SetLoop(bool onf);
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virtual bool GetLoop(void) const;
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};
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#ifndef _INC_MMSYSTEM
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# undef DWORD
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#endif
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#endif
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