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66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
#ifndef MIDI_CORE_H
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#define MIDI_CORE_H
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/*
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* Copyright by 4Front Technologies 1993-2004
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*
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* All rights reserved.
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*/
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/*
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* IMPORTANT NOTICE!
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*
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* This file contains internal structures used by Open Sound Systems.
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* They will change without any notice between OSS versions. Care must be taken
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* to make sure any software using this header gets properly re-compiled before
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* use.
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*
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* 4Front Technologies (or anybody else) takes no responsibility of damages
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* caused by use of this file.
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*/
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struct midi_input_info
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{ /* MIDI input scanner variables */
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#define MI_MAX 32
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int m_busy;
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unsigned char m_buf[MI_MAX];
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unsigned char m_prev_status; /* For running status */
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int m_ptr;
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#define MST_INIT 0
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#define MST_DATA 1
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#define MST_SYSEX 2
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int m_state;
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int m_left;
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};
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typedef struct midi_operations
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{
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struct midi_info info;
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struct synth_operations *converter;
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struct midi_input_info in_info;
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int (*open) (int dev, int mode,
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void (*inputintr) (int dev, unsigned char data),
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void (*outputintr) (int dev));
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void (*close) (int dev);
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int (*ioctl) (int dev, unsigned int cmd, ioctl_arg arg);
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int (*outputc) (int dev, unsigned char data);
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int (*start_read) (int dev);
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int (*end_read) (int dev);
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void (*kick) (int dev);
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int (*command) (int dev, unsigned char *data);
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int (*buffer_status) (int dev);
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int (*prefix_cmd) (int dev, unsigned char status);
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void (*input_callback) (int dev, unsigned char midich);
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struct coproc_operations *coproc;
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void *devc;
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sound_os_info *osp;
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int card_number;
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#ifndef CONFIGURE_C
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oss_mutex mutex;
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#endif
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unsigned long flags;
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#define MFLAG_NOSEQUENCER 0x00000001 /* Not to be used by the sequencer driver */
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} mididev_t, *mididev_p;
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extern struct midi_operations **midi_devs;
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extern int num_mididevs;
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#endif
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