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root/include/sound/sfnt_info.h

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INCLUDED FROM


DEFINITIONS

This source file includes following definitions.
  1. _IOR
  2. _IOWR
  3. _IOW
  4. _IOWR

#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 */
struct soundfont_patch_info {
        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        /* 4 is obsolete */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 */
};


/*
 * open patch
 */

#define SNDRV_SFNT_PATCH_NAME_LEN       32

struct soundfont_open_parm {
        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];
};


/*
 * raw voice information record
 */

/* wave table envelope & effect parameters to control EMU8000 */
struct soundfont_voice_parm {
        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 */
};


/* wave table parameters: 92 bytes */
struct soundfont_voice_info {
        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 */
        struct soundfont_voice_parm parm;       /* voice envelope parameters */
        unsigned short sample_mode;     /* sample mode_flag (set by driver) */
};


/* instrument info header: 4 bytes */
struct soundfont_voice_rec_hdr {
        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 */
};


/*
 * sample wave information
 */

/* wave table sample header: 32 bytes */
struct soundfont_sample_info {
        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) */
};


/*
 * voice preset mapping (aliasing)
 */

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


/*
 * ioctls for hwdep
 */

#define SNDRV_EMUX_HWDEP_NAME   "Emux WaveTable"

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

struct snd_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, struct soundfont_patch_info),
        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 snd_emux_misc_mode),
};

#endif /* __SOUND_SFNT_INFO_H */

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