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//
// Programmer: Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Sun Jan 3 21:02:02 PST 1999
// Last Modified: Sat Jan 30 14:11:18 PST 1999
// Last Modified: Wed May 10 17:00:11 PDT 2000 (name change from _oss to _oss)
// Filename: ...sig/maint/code/control/MidiOutPort/Sequencer_oss.h
// Web Address: http://sig.sapp.org/include/sig/Sequencer_oss.h
// Syntax: C++
//
// Description: Basic MIDI input/output functionality for the
// Linux OSS midi device /dev/sequencer. This class
// is inherited by the classes MidiInPort_oss and
// MidiOutPort_oss.
//
#ifndef _SEQUENCER_OSS_H_INCLUDED
#define _SEQUENCER_OSS_H_INCLUDED
#include <iostream>
#define MIDI_EXTERNAL (1)
#define MIDI_INTERNAL (2)
typedef unsigned char uchar;
class Sequencer_oss {
public:
Sequencer_oss (int autoOpen = 1);
~Sequencer_oss ();
void close (void);
void displayInputs (std::ostream& out = std::cout,
char* initial = "\t");
void displayOutputs (std::ostream& out = std::cout,
char* initial = "\t");
static int getNumInputs (void);
static int getNumOutputs (void);
static const char* getInputName (int aDevice);
static const char* getOutputName (int aDevice);
int is_open (void);
int open (void);
void read (uchar* buf, uchar* dev, int count);
void rawread (uchar* buf, int packetCount);
void rebuildInfoDatabase (void);
int write (int aDevice, int aByte);
int write (int aDevice, uchar* bytes, int count);
int write (int aDevice, char* bytes, int count);
int write (int aDevice, int* bytes, int count);
protected:
static const char* sequencer; // name of sequencer device
static int sequencer_fd; // sequencer file descriptor
static int class_count; // number of existing classes using
static uchar midi_write_packet[4]; // for writing MIDI bytes out
static uchar midi_read_packet[4]; // for reading MIDI bytes out
static uchar synth_write_message[8]; // for writing to internal seq
static int indevcount; // number of MIDI input devices
static int outdevcount; // number of MIDI output devices
static char** indevnames; // MIDI input device names
static char** outdevnames; // MIDI output device names
static int* indevnum; // total number of MIDI inputs
static int* outdevnum; // total number of MIDI outputs
static int* indevtype; // 1 = External, 2 = Internal
static int* outdevtype; // 1 = External, 2 = Internal
static uchar synth_message_buffer[1024]; // hold bytes for synth dev
static int synth_message_buffer_count; // count of synth buffer
static int synth_message_bytes_expected; // expected count of synth
static int synth_message_curr_device; // for keeping track of dev
static int initialized; // for starting buileinfodatabase
private:
static void buildInfoDatabase (void);
static int getFd (void);
int getInDeviceValue (int aDevice) const;
int getInputType (int aDevice) const;
int getOutDeviceValue (int aDevice) const;
int getOutputType (int aDevice) const;
void removeInfoDatabase (void);
void setFd (int anFd);
int writeInternal(int aDevice, int aByte);
int transmitMessageToInternalSynth(void);
int transmitVoiceMessage(void);
int transmitCommonMessage(void);
};
#endif /* _SEQUENCER_OSS_H_INCLUDED */
// md5sum: 1df08cd946c609b9b42aadbc96b7a296 - Sequencer_oss.h =css= 20030102
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