📄 sound.h
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/******************************************************************
* SEAL 2.0 *
* Copyright (c) 1999-2002 SEAL Developers. All Rights Reserved. *
* *
* Web site: http://sealsystem.sourceforge.net/ *
* E-mail (current maintainer): orudge@users.sourceforge.net *
******************************************************************/
/*
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*****************************************************/
/* SFA Version 1.0 */
/* Copyright (c) Florian Xaver 2000 */
/* Copyright (c) Owen Rudge 2001-2002 */
/*****************************************************/
/*
t_soundformat_item is used as an item for p_list in t_soundformat object.
for more information, how t_list really works, see list.h "t_list" object.
*/
#ifndef SFA__SOUND_H_INCLUDED
#define SFA__SOUND_H_INCLUDED
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
int freq; // frequency in hertz
int bits; // bits
int channels; // channels (mono/stereo)
int bitrate; // bitrate
char title[50]; // title
char album[50]; // album
char author[50]; // author
char comment[50]; // comment
char genre[50]; // genre
} SFAINFO;
typedef struct t_soundformat_item *p_soundformat_item;
typedef struct t_soundformat_item {
l_text extension;
l_text filedesc;
l_text info;
l_bool (*init_driver) (p_soundformat_item o);
l_bool (*init_file) (p_soundformat_item o, l_text file, l_bool play);
l_bool (*play_file) (p_soundformat_item o);
l_bool (*poll_file) (p_soundformat_item o);
l_bool (*stop_file) (p_soundformat_item o);
l_bool (*pause_file) (p_soundformat_item o);
l_bool (*forward_file) (p_soundformat_item o, l_int time);
l_bool (*rewind_file) (p_soundformat_item o, l_int time);
l_bool (*set_pos) (p_soundformat_item o, l_int time);
l_int (*get_pos) (p_soundformat_item o);
l_int (*get_len_file)(p_soundformat_item o);
l_bool (*get_file_info)(p_soundformat_item o, SFAINFO *inf);
l_text (*get_friendly_name)(p_soundformat_item o);
l_bool (*config_driver)(p_soundformat_item o);
l_bool (*display_about)(p_soundformat_item o);
l_bool (*close_file)(p_soundformat_item o);
l_bool (*terminate_driver)(p_soundformat_item o);
l_bool (*send_custom_message)(p_soundformat_item o, l_int msg, void *extra);
void *extra; // pointer to instance-specific data, for the driver's internal use
} t_soundformat_item;
p_soundformat_item new_soundformat_item( l_text extension,
l_text filedesc,
l_text info,
l_bool (*init_driver) (p_soundformat_item o),
l_bool (*init_file) (p_soundformat_item o, l_text file, l_bool play),
l_bool (*play_file) (p_soundformat_item o),
l_bool (*poll_file) (p_soundformat_item o),
l_bool (*stop_file) (p_soundformat_item o),
l_bool (*pause_file) (p_soundformat_item o),
l_bool (*forward_file) (p_soundformat_item o, l_int time),
l_bool (*rewind_file) (p_soundformat_item o, l_int time),
l_bool (*set_pos) (p_soundformat_item o, l_int time),
l_int (*get_pos) (p_soundformat_item o),
l_int (*get_len_file)(p_soundformat_item o),
l_bool (*get_file_info)(p_soundformat_item o, SFAINFO *inf),
l_text (*get_friendly_name)(p_soundformat_item o),
l_bool (*config_driver)(p_soundformat_item o),
l_bool (*display_about)(p_soundformat_item o),
l_bool (*close_file)(p_soundformat_item o),
l_bool (*terminate_driver)(p_soundformat_item o),
l_bool (*send_custom_message)(p_soundformat_item o, l_int msg, void *extra)
);
void free_soundformat_item (void *o);
#define SOUNDFORMAT_ITEM_EXTENSION(o, i) ((o)?((p_soundformat_item)(o)->at((o), i))->extension:NULL)
extern p_list sound_format_list;
typedef struct t_play *p_play;
typedef struct t_play {
//file, which is played
l_text filename;
//pointer to library, which is used for this file
p_soundformat_item used_library;
l_bool (*init_driver) (p_play o);
l_bool (*init_file) (p_play o, l_text file, l_bool play);
l_bool (*play_file) (p_play o);
l_bool (*poll_file) (p_play o);
l_bool (*stop_file) (p_play o);
l_bool (*pause_file) (p_play o);
l_bool (*forward_file) (p_play o, l_int time);
l_bool (*rewind_file) (p_play o, l_int time);
l_bool (*set_pos) (p_play o, l_int time);
l_int (*get_pos) (p_play o);
l_int (*get_len_file)(p_play o);
l_bool (*get_file_info)(p_play o, SFAINFO *inf);
l_text (*get_friendly_name)(p_play o);
l_bool (*config_driver)(p_play o);
l_bool (*display_about)(p_play o);
l_bool (*close_file)(p_play o);
l_bool (*terminate_driver)(p_play o);
l_bool (*send_custom_message)(p_play o, l_int msg, void *extra);
} t_play;
extern l_bool init_driver(p_play o);
extern l_bool init_file(p_play o, l_text file, l_bool play);
extern l_bool play_file(p_play o);
extern l_bool poll_file(p_play o);
extern l_bool stop_file(p_play o);
extern l_bool pause_file(p_play o);
extern l_bool forward_file(p_play o, l_int time);
extern l_bool rewind_file(p_play o, l_int time);
extern l_bool set_pos(p_play o, l_int time);
extern l_int get_pos(p_play o);
extern l_int get_len_file(p_play o);
extern l_bool get_file_info(p_play o, SFAINFO *inf);
extern l_text get_friendly_name(p_play o);
extern l_bool config_driver(p_play o);
extern l_bool display_about(p_play o);
extern l_bool close_file(p_play o);
extern l_bool terminate_driver(p_play o);
extern l_bool send_custom_message(p_play o, l_int msg, void *extra);
extern p_play SFA_init();
#ifdef SFA_INCLUDE_STANDARD_DRIVERS
extern l_bool st_init_driver(p_soundformat_item o);
extern l_bool st_init_file(p_soundformat_item o, l_text file, l_bool play);
extern l_bool st_play_file(p_soundformat_item o);
extern l_bool st_poll_file(p_soundformat_item o);
extern l_bool st_stop_file(p_soundformat_item o);
extern l_bool st_pause_file(p_soundformat_item o);
extern l_bool st_forward_file(p_soundformat_item o, l_int time);
extern l_bool st_rewind_file(p_soundformat_item o, l_int time);
extern l_bool st_set_pos(p_soundformat_item o, l_int time);
extern l_int st_get_pos(p_soundformat_item o);
extern l_int st_get_len_file(p_soundformat_item o);
extern l_bool st_get_file_info(p_soundformat_item o, SFAINFO *inf);
extern l_text st_get_friendly_name(p_soundformat_item o);
extern l_bool st_config_driver(p_soundformat_item o);
extern l_bool st_display_about(p_soundformat_item o);
extern l_bool st_close_file(p_soundformat_item o);
extern l_bool st_terminate_driver(p_soundformat_item o);
extern l_bool st_send_custom_message(p_soundformat_item o, l_int msg, void *extra);
#endif
extern l_int get_sound_input_installed();
extern l_int get_sound_installed();
extern void inc_count_player();
extern void dec_count_player();
extern l_int get_count_player();
extern l_int get_seal_volume();
extern l_int set_seal_volume(l_int s_v);
extern l_int get_seal_volume_midi();
extern l_int set_seal_volume_midi(l_int s_v);
extern l_int sound_input_installed;
extern l_int count_player;
extern l_int seal_volume;
extern l_int seal_volume_midi;
#ifdef __cplusplus
}
#endif
#endif // SFA__SOUND_H_INCLUDED⌨️ 快捷键说明
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