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annotate src/audio/mint/SDL_mintaudio_stfa.h @ 2439:78bddf0c0fa2 gsoc2008_iphone

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Cleaned up code, added comments.
author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Fri, 15 Aug 2008 19:16:01 +0000
parents c121d94672cb
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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b8d311d90021 Updated copyright information for 2004 (Happy New Year!)
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /*
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25 STFA control structure
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26
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27 Patrice Mandin
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28 */
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29
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30 #ifndef _SDL_mintaudio_stfa_h
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31 #define _SDL_mintaudio_stfa_h
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32
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33 /*--- Defines ---*/
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34
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35 #define C_STFA 0x53544641L /* Sound treiber für atari (seb/The removers) */
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36
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37 #define STFA_PLAY_ENABLE (1<<0)
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38 #define STFA_PLAY_DISABLE (0<<0)
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39 #define STFA_PLAY_REPEAT (1<<1)
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40 #define STFA_PLAY_SINGLE (0<<1)
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41
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42 #define STFA_FORMAT_SIGNED (1<<15)
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43 #define STFA_FORMAT_UNSIGNED (0<<15)
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44 #define STFA_FORMAT_STEREO (1<<14)
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45 #define STFA_FORMAT_MONO (0<<14)
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46 #define STFA_FORMAT_16BIT (1<<13)
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47 #define STFA_FORMAT_8BIT (0<<13)
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48 #define STFA_FORMAT_LITENDIAN (1<<9)
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49 #define STFA_FORMAT_BIGENDIAN (0<<9)
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50 #define STFA_FORMAT_FREQ_MASK 0x0f
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51 enum
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52 {
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53 STFA_FORMAT_F4995 = 0,
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54 STFA_FORMAT_F6269,
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55 STFA_FORMAT_F7493,
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56 STFA_FORMAT_F8192,
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57
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58 STFA_FORMAT_F9830,
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59 STFA_FORMAT_F10971,
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60 STFA_FORMAT_F12538,
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61 STFA_FORMAT_F14985,
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62
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63 STFA_FORMAT_F16384,
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64 STFA_FORMAT_F19819,
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65 STFA_FORMAT_F21943,
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66 STFA_FORMAT_F24576,
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67
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68 STFA_FORMAT_F30720,
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69 STFA_FORMAT_F32336,
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70 STFA_FORMAT_F43885,
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71 STFA_FORMAT_F49152
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72 };
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73
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74 /*--- Types ---*/
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75
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76 typedef struct
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77 {
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78 unsigned short sound_enable;
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79 unsigned short sound_control;
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80 unsigned short sound_output;
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81 unsigned long sound_start;
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82 unsigned long sound_current;
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83 unsigned long sound_end;
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84 unsigned short version;
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85 void *old_vbl;
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86 void *old_timera;
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87 unsigned long old_mfp_status;
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88 void *new_vbl;
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89 void *drivers_list;
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90 void *play_stop;
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91 unsigned short frequency;
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92 void *set_frequency;
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93
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94 unsigned short frequency_threshold;
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95 unsigned short *custom_freq_table;
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96 unsigned short stfa_on_off;
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97 void *new_drivers_list;
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98 unsigned long old_bit_2_of_cookie_snd;
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99 void (*stfa_it) (void);
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100 } cookie_stfa_t __attribute__ ((packed));
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101
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102 #endif /* _SDL_mintaudio_stfa_h */
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103 /* vi: set ts=4 sw=4 expandtab: */