215 lines
7.5 KiB
C
215 lines
7.5 KiB
C
#ifndef __SOUND_SFNT_INFO_H
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#define __SOUND_SFNT_INFO_H
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/*
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* Patch record compatible with AWE driver on OSS
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*
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* Copyright (C) 1999-2000 Takashi Iwai
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <sound/asound.h>
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/*
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* patch information record
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*/
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#ifdef SNDRV_BIG_ENDIAN
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#define SNDRV_OSS_PATCHKEY(id) (0xfd00|id)
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#else
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#define SNDRV_OSS_PATCHKEY(id) ((id<<8)|0xfd)
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#endif
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/* patch interface header: 16 bytes */
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typedef struct soundfont_patch_info_t {
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unsigned short key; /* use the key below */
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#define SNDRV_OSS_SOUNDFONT_PATCH SNDRV_OSS_PATCHKEY(0x07)
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short device_no; /* synthesizer number */
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unsigned short sf_id; /* file id (should be zero) */
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short optarg; /* optional argument */
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int len; /* data length (without this header) */
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short type; /* patch operation type */
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#define SNDRV_SFNT_LOAD_INFO 0 /* awe_voice_rec */
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#define SNDRV_SFNT_LOAD_DATA 1 /* awe_sample_info */
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#define SNDRV_SFNT_OPEN_PATCH 2 /* awe_open_parm */
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#define SNDRV_SFNT_CLOSE_PATCH 3 /* none */
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/* 4 is obsolete */
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#define SNDRV_SFNT_REPLACE_DATA 5 /* awe_sample_info (optarg=#channels)*/
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#define SNDRV_SFNT_MAP_PRESET 6 /* awe_voice_map */
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/* 7 is not used */
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#define SNDRV_SFNT_PROBE_DATA 8 /* optarg=sample */
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#define SNDRV_SFNT_REMOVE_INFO 9 /* optarg=(bank<<8)|instr */
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short reserved; /* word alignment data */
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/* the actual patch data begins after this */
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} soundfont_patch_info_t;
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/*
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* open patch
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*/
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#define SNDRV_SFNT_PATCH_NAME_LEN 32
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typedef struct soundfont_open_parm_t {
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unsigned short type; /* sample type */
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#define SNDRV_SFNT_PAT_TYPE_MISC 0
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#define SNDRV_SFNT_PAT_TYPE_GUS 6
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#define SNDRV_SFNT_PAT_TYPE_MAP 7
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#define SNDRV_SFNT_PAT_LOCKED 0x100 /* lock the samples */
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#define SNDRV_SFNT_PAT_SHARED 0x200 /* sample is shared */
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short reserved;
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char name[SNDRV_SFNT_PATCH_NAME_LEN];
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} soundfont_open_parm_t;
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/*
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* raw voice information record
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*/
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/* wave table envelope & effect parameters to control EMU8000 */
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typedef struct soundfont_voice_parm_t {
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unsigned short moddelay; /* modulation delay (0x8000) */
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unsigned short modatkhld; /* modulation attack & hold time (0x7f7f) */
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unsigned short moddcysus; /* modulation decay & sustain (0x7f7f) */
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unsigned short modrelease; /* modulation release time (0x807f) */
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short modkeyhold, modkeydecay; /* envelope change per key (not used) */
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unsigned short voldelay; /* volume delay (0x8000) */
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unsigned short volatkhld; /* volume attack & hold time (0x7f7f) */
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unsigned short voldcysus; /* volume decay & sustain (0x7f7f) */
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unsigned short volrelease; /* volume release time (0x807f) */
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short volkeyhold, volkeydecay; /* envelope change per key (not used) */
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unsigned short lfo1delay; /* LFO1 delay (0x8000) */
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unsigned short lfo2delay; /* LFO2 delay (0x8000) */
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unsigned short pefe; /* modulation pitch & cutoff (0x0000) */
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unsigned short fmmod; /* LFO1 pitch & cutoff (0x0000) */
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unsigned short tremfrq; /* LFO1 volume & freq (0x0000) */
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unsigned short fm2frq2; /* LFO2 pitch & freq (0x0000) */
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unsigned char cutoff; /* initial cutoff (0xff) */
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unsigned char filterQ; /* initial filter Q [0-15] (0x0) */
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unsigned char chorus; /* chorus send (0x00) */
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unsigned char reverb; /* reverb send (0x00) */
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unsigned short reserved[4]; /* not used */
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} soundfont_voice_parm_t;
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/* wave table parameters: 92 bytes */
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typedef struct soundfont_voice_info_t {
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unsigned short sf_id; /* file id (should be zero) */
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unsigned short sample; /* sample id */
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int start, end; /* sample offset correction */
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int loopstart, loopend; /* loop offset correction */
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short rate_offset; /* sample rate pitch offset */
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unsigned short mode; /* sample mode */
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#define SNDRV_SFNT_MODE_ROMSOUND 0x8000
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#define SNDRV_SFNT_MODE_STEREO 1
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#define SNDRV_SFNT_MODE_LOOPING 2
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#define SNDRV_SFNT_MODE_NORELEASE 4 /* obsolete */
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#define SNDRV_SFNT_MODE_INIT_PARM 8
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short root; /* midi root key */
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short tune; /* pitch tuning (in cents) */
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unsigned char low, high; /* key note range */
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unsigned char vellow, velhigh; /* velocity range */
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signed char fixkey, fixvel; /* fixed key, velocity */
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signed char pan, fixpan; /* panning, fixed panning */
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short exclusiveClass; /* exclusive class (0 = none) */
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unsigned char amplitude; /* sample volume (127 max) */
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unsigned char attenuation; /* attenuation (0.375dB) */
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short scaleTuning; /* pitch scale tuning(%), normally 100 */
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soundfont_voice_parm_t parm; /* voice envelope parameters */
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unsigned short sample_mode; /* sample mode_flag (set by driver) */
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} soundfont_voice_info_t;
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/* instrument info header: 4 bytes */
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typedef struct soundfont_voice_rec_hdr_t {
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unsigned char bank; /* midi bank number */
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unsigned char instr; /* midi preset number */
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char nvoices; /* number of voices */
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char write_mode; /* write mode; normally 0 */
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#define SNDRV_SFNT_WR_APPEND 0 /* append anyway */
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#define SNDRV_SFNT_WR_EXCLUSIVE 1 /* skip if already exists */
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#define SNDRV_SFNT_WR_REPLACE 2 /* replace if already exists */
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} soundfont_voice_rec_hdr_t;
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/*
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* sample wave information
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*/
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/* wave table sample header: 32 bytes */
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typedef struct soundfont_sample_info_t {
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unsigned short sf_id; /* file id (should be zero) */
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unsigned short sample; /* sample id */
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int start, end; /* start & end offset */
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int loopstart, loopend; /* loop start & end offset */
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int size; /* size (0 = ROM) */
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short dummy; /* not used */
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unsigned short mode_flags; /* mode flags */
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#define SNDRV_SFNT_SAMPLE_8BITS 1 /* wave data is 8bits */
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#define SNDRV_SFNT_SAMPLE_UNSIGNED 2 /* wave data is unsigned */
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#define SNDRV_SFNT_SAMPLE_NO_BLANK 4 /* no blank loop is attached */
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#define SNDRV_SFNT_SAMPLE_SINGLESHOT 8 /* single-shot w/o loop */
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#define SNDRV_SFNT_SAMPLE_BIDIR_LOOP 16 /* bidirectional looping */
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#define SNDRV_SFNT_SAMPLE_STEREO_LEFT 32 /* stereo left sound */
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#define SNDRV_SFNT_SAMPLE_STEREO_RIGHT 64 /* stereo right sound */
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#define SNDRV_SFNT_SAMPLE_REVERSE_LOOP 128 /* reverse looping */
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unsigned int truesize; /* used memory size (set by driver) */
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} soundfont_sample_info_t;
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/*
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* voice preset mapping (aliasing)
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*/
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typedef struct soundfont_voice_map_t {
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int map_bank, map_instr, map_key; /* key = -1 means all keys */
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int src_bank, src_instr, src_key;
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} soundfont_voice_map_t;
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/*
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* ioctls for hwdep
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*/
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#define SNDRV_EMUX_HWDEP_NAME "Emux WaveTable"
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#define SNDRV_EMUX_VERSION ((1 << 16) | (0 << 8) | 0) /* 1.0.0 */
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struct sndrv_emux_misc_mode {
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int port; /* -1 = all */
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int mode;
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int value;
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int value2; /* reserved */
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};
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enum {
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SNDRV_EMUX_IOCTL_VERSION = _IOR('H', 0x80, unsigned int),
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SNDRV_EMUX_IOCTL_LOAD_PATCH = _IOWR('H', 0x81, soundfont_patch_info_t),
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SNDRV_EMUX_IOCTL_RESET_SAMPLES = _IO('H', 0x82),
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SNDRV_EMUX_IOCTL_REMOVE_LAST_SAMPLES = _IO('H', 0x83),
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SNDRV_EMUX_IOCTL_MEM_AVAIL = _IOW('H', 0x84, int),
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SNDRV_EMUX_IOCTL_MISC_MODE = _IOWR('H', 0x84, struct sndrv_emux_misc_mode),
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};
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#endif /* __SOUND_SFNT_INFO_H */
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