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a1ce39288e
Convert #include "..." to #include <path/...> in kernel system headers. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
130 lines
4.5 KiB
C
130 lines
4.5 KiB
C
#ifndef __SOUND_SOUNDFONT_H
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#define __SOUND_SOUNDFONT_H
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/*
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* Soundfont defines and definitions.
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*
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* Copyright (C) 1999 Steve Ratcliffe
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* Copyright (c) 1999-2000 Takashi iwai <tiwai@suse.de>
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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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#include <sound/sfnt_info.h>
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#include <sound/util_mem.h>
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#define SF_MAX_INSTRUMENTS 128 /* maximum instrument number */
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#define SF_MAX_PRESETS 256 /* drums are mapped from 128 to 256 */
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#define SF_IS_DRUM_BANK(z) ((z) == 128)
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struct snd_sf_zone {
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struct snd_sf_zone *next; /* Link to next */
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unsigned char bank; /* Midi bank for this zone */
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unsigned char instr; /* Midi program for this zone */
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unsigned char mapped; /* True if mapped to something else */
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struct soundfont_voice_info v; /* All the soundfont parameters */
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int counter;
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struct snd_sf_sample *sample; /* Link to sample */
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/* The following deals with preset numbers (programs) */
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struct snd_sf_zone *next_instr; /* Next zone of this instrument */
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struct snd_sf_zone *next_zone; /* Next zone in play list */
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};
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struct snd_sf_sample {
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struct soundfont_sample_info v;
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int counter;
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struct snd_util_memblk *block; /* allocated data block */
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struct snd_sf_sample *next;
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};
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/*
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* This represents all the information relating to a soundfont.
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*/
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struct snd_soundfont {
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struct snd_soundfont *next; /* Link to next */
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/*struct snd_soundfont *prev;*/ /* Link to previous */
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short id; /* file id */
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short type; /* font type */
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unsigned char name[SNDRV_SFNT_PATCH_NAME_LEN]; /* identifier */
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struct snd_sf_zone *zones; /* Font information */
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struct snd_sf_sample *samples; /* The sample headers */
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};
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/*
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* Type of the sample access callback
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*/
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struct snd_sf_callback {
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void *private_data;
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int (*sample_new)(void *private_data, struct snd_sf_sample *sp,
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struct snd_util_memhdr *hdr,
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const void __user *buf, long count);
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int (*sample_free)(void *private_data, struct snd_sf_sample *sp,
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struct snd_util_memhdr *hdr);
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void (*sample_reset)(void *private);
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};
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/*
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* List of soundfonts.
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*/
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struct snd_sf_list {
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struct snd_soundfont *currsf; /* The currently open soundfont */
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int open_client; /* client pointer for lock */
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int mem_used; /* used memory size */
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struct snd_sf_zone *presets[SF_MAX_PRESETS];
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struct snd_soundfont *fonts; /* The list of soundfonts */
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int fonts_size; /* number of fonts allocated */
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int zone_counter; /* last allocated time for zone */
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int sample_counter; /* last allocated time for sample */
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int zone_locked; /* locked time for zone */
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int sample_locked; /* locked time for sample */
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struct snd_sf_callback callback; /* callback functions */
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int presets_locked;
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struct mutex presets_mutex;
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spinlock_t lock;
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struct snd_util_memhdr *memhdr;
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};
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/* Prototypes for soundfont.c */
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int snd_soundfont_load(struct snd_sf_list *sflist, const void __user *data,
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long count, int client);
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int snd_soundfont_load_guspatch(struct snd_sf_list *sflist, const char __user *data,
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long count, int client);
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int snd_soundfont_close_check(struct snd_sf_list *sflist, int client);
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struct snd_sf_list *snd_sf_new(struct snd_sf_callback *callback,
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struct snd_util_memhdr *hdr);
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void snd_sf_free(struct snd_sf_list *sflist);
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int snd_soundfont_remove_samples(struct snd_sf_list *sflist);
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int snd_soundfont_remove_unlocked(struct snd_sf_list *sflist);
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int snd_soundfont_search_zone(struct snd_sf_list *sflist, int *notep, int vel,
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int preset, int bank,
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int def_preset, int def_bank,
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struct snd_sf_zone **table, int max_layers);
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/* Parameter conversions */
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int snd_sf_calc_parm_hold(int msec);
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int snd_sf_calc_parm_attack(int msec);
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int snd_sf_calc_parm_decay(int msec);
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#define snd_sf_calc_parm_delay(msec) (0x8000 - (msec) * 1000 / 725)
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extern int snd_sf_vol_table[128];
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int snd_sf_linear_to_log(unsigned int amount, int offset, int ratio);
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#endif /* __SOUND_SOUNDFONT_H */
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