dj.h

   1 /*
   2  * dj.h
   3  * Copyright (C) 1998 Brainchild Design - http://brainchilddesign.com/
   4  *
   5  * Copyright (C) 2002 Florian Schulze - crow@icculus.org
   6  *
   7  * This file is part of Jump'n'Bump.
   8  *
   9  * Jump'n'Bump is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * Jump'n'Bump is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26
  27 #ifdef DOS
  28 #include <pc.h>
  29 #include <dpmi.h>
  30 #include <go32.h>
  31 #include <sys/nearptr.h>
  32 #endif
  33
  34 #define DJ_SD_TYPE_NOSOUND 0
  35 #define DJ_SD_TYPE_SBLASTER 1
  36
  37 #define DJ_SFX_TYPE_SSS 0
  38 #define DJ_SFX_TYPE_WAV 1
  39 #define DJ_SFX_TYPE_SMP 2
  40
  41
  42 typedef struct dj_hardware_info {
  43         char sd_type;
  44   short sd_version;
  45         short port;
  46         char irq;
  47         char dma;
  48 } dj_hardware_info;
  49
  50 typedef struct dj_mixing_info {
  51   char sfx_volume, num_sfx_channels;
  52   char mod_volume, num_mod_channels;
  53         char stereo_mix, auto_mix;
  54   unsigned short mixing_freq;
  55   unsigned short dma_time, dmabuf_len;
  56   char cur_dmabuf;
  57         unsigned long dmabuf_address[2];
  58   char *mixed_buf;
  59 } dj_mixing_info;
  60
  61 typedef struct sfx_data {
  62   char priority;
  63   unsigned short default_freq;
  64   char default_volume;
  65   unsigned long length;
  66   char loop;
  67   unsigned long loop_start, loop_length;
  68   unsigned char *buf;
  69 } sfx_data;
  70
  71 typedef struct dj_mod_info {
  72   char num_channels;
  73         char speed;
  74         short bpm;
  75         char order_pos;
  76         char pat_pos;
  77         char name[20];
  78         struct {
  79                 char name[22];
  80                 unsigned short length;
  81                 char finetune;
  82                 char volume;
  83                 unsigned short loop_start;
  84                 unsigned short loop_length;
  85                 char *buf;
  86         } samples[31];
  87         char song_length;
  88         char num_pat;
  89         char pat_order[128];
  90   char *pat[128];
  91 } dj_mod_info;
  92
  93
  94 extern char dj_init(void);
  95 extern void dj_deinit(void);
  96 extern void dj_start(void);
  97 extern void dj_stop(void);
  98 extern void dj_set_nosound(char flag);
  99 extern char dj_set_sd(char sd_type, short port, char irq, char dma);
 100 extern char dj_autodetect_sd(void);
 101 extern void dj_get_sd_string(char *strbuf);
 102 extern char dj_set_stereo(char flag);
 103 extern void dj_reverse_stereo(char flag);
 104 extern void dj_set_auto_mix(char flag);
 105 extern unsigned short dj_set_mixing_freq(unsigned short freq);
 106 extern void dj_set_dma_time(unsigned short time);
 107 extern char dj_get_hardware_info(dj_hardware_info *ptr);
 108 extern char dj_get_mixing_info(dj_mixing_info *ptr);
 109 extern char dj_get_mod_info(char mod_num, dj_mod_info *ptr);
 110 extern void dj_set_fake_vu_speed(unsigned char speed);
 111 extern unsigned char dj_get_fake_vu(char channel);
 112 extern char dj_reset_sd(void);
 113
 114 extern char dj_mix_needed(void);
 115 extern void dj_mix(void);
 116
 117 extern char dj_set_num_sfx_channels(char num_channels);
 118 extern void dj_set_sfx_volume(char volume);
 119 extern char dj_get_sfx_volume(void);
 120 extern void dj_play_sfx(unsigned char sfx_num, unsigned short freq, char volume, char panning, unsigned short delay, char channel);
 121 extern char dj_get_sfx_settings(unsigned char sfx_num, sfx_data *data);
 122 extern char dj_set_sfx_settings(unsigned char sfx_num, sfx_data *data);
 123 extern void dj_set_sfx_channel_volume(char channel_num, char volume);
 124 extern void dj_stop_sfx_channel(char channel_num);
 125 extern char dj_load_sfx(unsigned char *file_handle, char *filename, int file_length, char sfx_type, unsigned char sfx_num);
 126 extern void dj_free_sfx(unsigned char sfx_num);
 127
 128 extern char dj_ready_mod(char mod_num);
 129 extern char dj_start_mod(void);
 130 extern void dj_stop_mod(void);
 131 extern void dj_set_mod_volume(char volume);
 132 extern char dj_get_mod_volume(void);
 133 extern char dj_load_mod(unsigned char *file_handle, char *filename, char mod_num);
 134 extern void dj_free_mod(char mod_num);
 135