Home Home > GIT Browse
summaryrefslogtreecommitdiff
blob: 674585f88a316aab7e173d1d21ba03d3ab4b7650 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
#ifndef __SOUND_SFNT_INFO_H
#define __SOUND_SFNT_INFO_H

/*
 *  Patch record compatible with AWE driver on OSS
 *
 *  Copyright (C) 1999-2000 Takashi Iwai
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <sound/asound.h>

/*
 * patch information record
 */

#ifdef SNDRV_BIG_ENDIAN
#define SNDRV_OSS_PATCHKEY(id) (0xfd00|id)
#else
#define SNDRV_OSS_PATCHKEY(id) ((id<<8)|0xfd)
#endif

/* patch interface header: 16 bytes */
typedef struct soundfont_patch_info_t {
	unsigned short key;		/* use the key below */
#define SNDRV_OSS_SOUNDFONT_PATCH		SNDRV_OSS_PATCHKEY(0x07)

	short device_no;		/* synthesizer number */
	unsigned short sf_id;		/* file id (should be zero) */
	short optarg;			/* optional argument */
	int len;			/* data length (without this header) */

	short type;			/* patch operation type */
#define SNDRV_SFNT_LOAD_INFO		0	/* awe_voice_rec */
#define SNDRV_SFNT_LOAD_DATA		1	/* awe_sample_info */
#define SNDRV_SFNT_OPEN_PATCH	2	/* awe_open_parm */
#define SNDRV_SFNT_CLOSE_PATCH	3	/* none */
	/* 4 is obsolete */
#define SNDRV_SFNT_REPLACE_DATA	5	/* awe_sample_info (optarg=#channels)*/
#define SNDRV_SFNT_MAP_PRESET	6	/* awe_voice_map */
	/* 7 is not used */
#define SNDRV_SFNT_PROBE_DATA		8	/* optarg=sample */
#define SNDRV_SFNT_REMOVE_INFO		9	/* optarg=(bank<<8)|instr */

	short reserved;			/* word alignment data */

	/* the actual patch data begins after this */
} soundfont_patch_info_t;


/*
 * open patch
 */

#define SNDRV_SFNT_PATCH_NAME_LEN	32

typedef struct soundfont_open_parm_t {
	unsigned short type;		/* sample type */
#define SNDRV_SFNT_PAT_TYPE_MISC	0
#define SNDRV_SFNT_PAT_TYPE_GUS	6
#define SNDRV_SFNT_PAT_TYPE_MAP	7
#define SNDRV_SFNT_PAT_LOCKED	0x100	/* lock the samples */
#define SNDRV_SFNT_PAT_SHARED	0x200	/* sample is shared */

	short reserved;
	char name[SNDRV_SFNT_PATCH_NAME_LEN];
} soundfont_open_parm_t;


/*
 * raw voice information record
 */

/* wave table envelope & effect parameters to control EMU8000 */
typedef struct soundfont_voice_parm_t {
	unsigned short moddelay;	/* modulation delay (0x8000) */
	unsigned short modatkhld;	/* modulation attack & hold time (0x7f7f) */
	unsigned short moddcysus;	/* modulation decay & sustain (0x7f7f) */
	unsigned short modrelease;	/* modulation release time (0x807f) */
	short modkeyhold, modkeydecay;	/* envelope change per key (not used) */
	unsigned short voldelay;	/* volume delay (0x8000) */
	unsigned short volatkhld;	/* volume attack & hold time (0x7f7f) */
	unsigned short voldcysus;	/* volume decay & sustain (0x7f7f) */
	unsigned short volrelease;	/* volume release time (0x807f) */
	short volkeyhold, volkeydecay;	/* envelope change per key (not used) */
	unsigned short lfo1delay;	/* LFO1 delay (0x8000) */
	unsigned short lfo2delay;	/* LFO2 delay (0x8000) */
	unsigned short pefe;		/* modulation pitch & cutoff (0x0000) */
	unsigned short fmmod;		/* LFO1 pitch & cutoff (0x0000) */
	unsigned short tremfrq;		/* LFO1 volume & freq (0x0000) */
	unsigned short fm2frq2;		/* LFO2 pitch & freq (0x0000) */
	unsigned char cutoff;		/* initial cutoff (0xff) */
	unsigned char filterQ;		/* initial filter Q [0-15] (0x0) */
	unsigned char chorus;		/* chorus send (0x00) */
	unsigned char reverb;		/* reverb send (0x00) */
	unsigned short reserved[4];	/* not used */
} soundfont_voice_parm_t;


/* wave table parameters: 92 bytes */
typedef struct soundfont_voice_info_t {
	unsigned short sf_id;		/* file id (should be zero) */
	unsigned short sample;		/* sample id */
	int start, end;			/* sample offset correction */
	int loopstart, loopend;		/* loop offset correction */
	short rate_offset;		/* sample rate pitch offset */
	unsigned short mode;		/* sample mode */
#define SNDRV_SFNT_MODE_ROMSOUND		0x8000
#define SNDRV_SFNT_MODE_STEREO		1
#define SNDRV_SFNT_MODE_LOOPING		2
#define SNDRV_SFNT_MODE_NORELEASE		4	/* obsolete */
#define SNDRV_SFNT_MODE_INIT_PARM		8

	short root;			/* midi root key */
	short tune;			/* pitch tuning (in cents) */
	unsigned char low, high;	/* key note range */
	unsigned char vellow, velhigh;	/* velocity range */
	signed char fixkey, fixvel;	/* fixed key, velocity */
	signed char pan, fixpan;	/* panning, fixed panning */
	short exclusiveClass;		/* exclusive class (0 = none) */
	unsigned char amplitude;	/* sample volume (127 max) */
	unsigned char attenuation;	/* attenuation (0.375dB) */
	short scaleTuning;		/* pitch scale tuning(%), normally 100 */
	soundfont_voice_parm_t parm;	/* voice envelope parameters */
	unsigned short sample_mode;	/* sample mode_flag (set by driver) */
} soundfont_voice_info_t;


/* instrument info header: 4 bytes */
typedef struct soundfont_voice_rec_hdr_t {
	unsigned char bank;		/* midi bank number */
	unsigned char instr;		/* midi preset number */
	char nvoices;			/* number of voices */
	char write_mode;		/* write mode; normally 0 */
#define SNDRV_SFNT_WR_APPEND		0	/* append anyway */
#define SNDRV_SFNT_WR_EXCLUSIVE		1	/* skip if already exists */
#define SNDRV_SFNT_WR_REPLACE		2	/* replace if already exists */
} soundfont_voice_rec_hdr_t;


/*
 * sample wave information
 */

/* wave table sample header: 32 bytes */
typedef struct soundfont_sample_info_t {
	unsigned short sf_id;		/* file id (should be zero) */
	unsigned short sample;		/* sample id */
	int start, end;			/* start & end offset */
	int loopstart, loopend;		/* loop start & end offset */
	int size;			/* size (0 = ROM) */
	short dummy;			/* not used */
	unsigned short mode_flags;	/* mode flags */
#define SNDRV_SFNT_SAMPLE_8BITS		1	/* wave data is 8bits */
#define SNDRV_SFNT_SAMPLE_UNSIGNED	2	/* wave data is unsigned */
#define SNDRV_SFNT_SAMPLE_NO_BLANK	4	/* no blank loop is attached */
#define SNDRV_SFNT_SAMPLE_SINGLESHOT	8	/* single-shot w/o loop */
#define SNDRV_SFNT_SAMPLE_BIDIR_LOOP	16	/* bidirectional looping */
#define SNDRV_SFNT_SAMPLE_STEREO_LEFT	32	/* stereo left sound */
#define SNDRV_SFNT_SAMPLE_STEREO_RIGHT	64	/* stereo right sound */
#define SNDRV_SFNT_SAMPLE_REVERSE_LOOP	128	/* reverse looping */
	unsigned int truesize;		/* used memory size (set by driver) */
} soundfont_sample_info_t;


/*
 * voice preset mapping (aliasing)
 */

typedef struct soundfont_voice_map_t {
	int map_bank, map_instr, map_key;	/* key = -1 means all keys */
	int src_bank, src_instr, src_key;
} soundfont_voice_map_t;


/*
 * ioctls for hwdep
 */

#define SNDRV_EMUX_HWDEP_NAME	"Emux WaveTable"

#define SNDRV_EMUX_VERSION	((1 << 16) | (0 << 8) | 0)	/* 1.0.0 */

struct sndrv_emux_misc_mode {
	int port;	/* -1 = all */
	int mode;
	int value;
	int value2;	/* reserved */
};

enum {
	SNDRV_EMUX_IOCTL_VERSION = _IOR('H', 0x80, unsigned int),
	SNDRV_EMUX_IOCTL_LOAD_PATCH = _IOWR('H', 0x81, soundfont_patch_info_t),
	SNDRV_EMUX_IOCTL_RESET_SAMPLES = _IO('H', 0x82),
	SNDRV_EMUX_IOCTL_REMOVE_LAST_SAMPLES = _IO('H', 0x83),
	SNDRV_EMUX_IOCTL_MEM_AVAIL = _IOW('H', 0x84, int),
	SNDRV_EMUX_IOCTL_MISC_MODE = _IOWR('H', 0x84, struct sndrv_emux_misc_mode),
};

#endif /* __SOUND_SFNT_INFO_H */