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/*
* include file for midi synthesizer interface.
*
* Copyright by Seigo Tanimura 1999.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#define SYNTH_MAX_VOICES 32
/* This is the voice allocation state for a synthesizer. */
struct voice_alloc_info {
int max_voice;
int used_voices;
int ptr; /* For device specific use */
u_short map[SYNTH_MAX_VOICES]; /* (ch << 8) | (note+1) */
int timestamp;
int alloc_times[SYNTH_MAX_VOICES];
};
/* This is the channel information for a synthesizer. */
struct channel_info {
int pgm_num;
int bender_value;
u_char controllers[128];
};
/* These are the function types for a midi synthesizer interface. */
typedef int (mdsy_killnote_t)(mididev_info *md, int chn, int note, int vel);
typedef int (mdsy_setinstr_t)(mididev_info *md, int chn, int instr);
typedef int (mdsy_startnote_t)(mididev_info *md, int chn, int note, int vel);
typedef int (mdsy_reset_t)(mididev_info *md);
typedef int (mdsy_hwcontrol_t)(mididev_info *md, u_char *event);
typedef int (mdsy_loadpatch_t)(mididev_info *md, int format, struct uio *buf, int offs, int count, int pmgr_flag);
typedef int (mdsy_panning_t)(mididev_info *md, int chn, int pan);
typedef int (mdsy_aftertouch_t)(mididev_info *md, int chn, int press);
typedef int (mdsy_controller_t)(mididev_info *md, int chn, int ctrlnum, int val);
typedef int (mdsy_patchmgr_t)(mididev_info *md, struct patmgr_info *rec);
typedef int (mdsy_bender_t)(mididev_info *md, int chn, int val);
typedef int (mdsy_allocvoice_t)(mididev_info *md, int chn, int note, struct voice_alloc_info *alloc);
typedef int (mdsy_setupvoice_t)(mididev_info *md, int voice, int chn);
typedef int (mdsy_sendsysex_t)(mididev_info *md, u_char *sysex, int len);
typedef int (mdsy_prefixcmd_t)(mididev_info *md, int status);
typedef int (mdsy_volumemethod_t)(mididev_info *md, int mode);
typedef int (mdsy_readraw_t)(mididev_info *md, u_char *buf, int len, int *lenr, int nonblock);
typedef int (mdsy_writeraw_t)(mididev_info *md, u_char *buf, int len, int *lenw, int nonblock);
/*
* The order of mutex lock (from the first to the last)
*
* 1. sequencer flags, queues, timer and devlice list
* 2. midi synth voice and channel
* 3. midi synth status
* 4. generic midi flags and queues
* 5. midi device
*/
/* This is a midi synthesizer interface and state. */
struct _synthdev_info {
mdsy_killnote_t *killnote;
mdsy_setinstr_t *setinstr;
mdsy_startnote_t *startnote;
mdsy_reset_t *reset;
mdsy_hwcontrol_t *hwcontrol;
mdsy_loadpatch_t *loadpatch;
mdsy_panning_t *panning;
mdsy_aftertouch_t *aftertouch;
mdsy_controller_t *controller;
mdsy_patchmgr_t *patchmgr;
mdsy_bender_t *bender;
mdsy_allocvoice_t *allocvoice;
mdsy_setupvoice_t *setupvoice;
mdsy_sendsysex_t *sendsysex;
mdsy_prefixcmd_t *prefixcmd;
mdsy_volumemethod_t *volumemethod;
mdsy_readraw_t *readraw;
mdsy_writeraw_t *writeraw;
/* Voice and channel */
struct mtx vc_mtx; /* Mutex to protect voice and channel. */
struct voice_alloc_info alloc; /* Voice allocation. */
struct channel_info chn_info[16]; /* Channel information. */
/* Status */
struct mtx status_mtx; /* Mutex to protect status. */
int sysex_state; /* State of sysex transmission. */
};
typedef struct _synthdev_info synthdev_info;
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