1  /* Extended Module Player
 2   * Copyright (C) 1996-2021 Claudio Matsuoka and Hipolito Carraro Jr
 3   *
 4   * Permission is hereby granted, free of charge, to any person obtaining a
 5   * copy of this software and associated documentation files (the "Software"),
 6   * to deal in the Software without restriction, including without limitation
 7   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 8   * and/or sell copies of the Software, and to permit persons to whom the
 9   * Software is furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20   * THE SOFTWARE.
21   */
22  
23  #ifndef LIBXMP_LOADERS_MOD_H
24  #define LIBXMP_LOADERS_MOD_H
25  
26  struct mod_instrument {
27  	uint8 name[22];		/* Instrument name */
28  	uint16 size;		/* Sample length in 16-bit words */
29  	int8 finetune;		/* Finetune (signed nibble) */
30  	int8 volume;		/* Linear playback volume */
31  	uint16 loop_start;	/* Loop start in 16-bit words */
32  	uint16 loop_size;	/* Loop length in 16-bit words */
33  };
34  
35  struct mod_header {
36  	uint8 name[20];
37  	struct mod_instrument ins[31];
38  	uint8 len;
39  	uint8 restart;		/* Number of patterns in Soundtracker,
40  				 * Restart in Noisetracker/Startrekker,
41  				 * 0x7F in Protracker
42  				 */
43  	uint8 order[128];
44  	uint8 magic[4];
45  };
46  
47  #ifndef LIBXMP_CORE_PLAYER
48  /* Soundtracker 15-instrument module header */
49  
50  struct st_header {
51  	uint8 name[20];
52  	struct mod_instrument ins[15];
53  	uint8 len;
54  	uint8 restart;
55  	uint8 order[128];
56  };
57  #endif
58  
59  #endif  /* LIBXMP_LOADERS_MOD_H */