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Diffstat (limited to 'src/midiio/include/Sequencer_oss.h')
| -rw-r--r-- | src/midiio/include/Sequencer_oss.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/midiio/include/Sequencer_oss.h b/src/midiio/include/Sequencer_oss.h new file mode 100644 index 0000000..5f269a7 --- /dev/null +++ b/src/midiio/include/Sequencer_oss.h @@ -0,0 +1,92 @@ +// +// 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 |