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annotate src/audio/mint/SDL_mintaudio_stfa.h @ 1675:d33dcfc3fde7 SDL-1.3

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Overlay functions are being replaced by YUV textures. If the driver doesn't support YUV textures, they can be emulated by backing the texture with an RGB texture and using the software conversion routines. Note that it doesn't make sense to lock a portion of a YV12 texture, since you'd need to return three pixel pointers and pitch values instead of the one that's available through the API. I'm guessing that's one of the reasons DirectX 9 doesn't support this format at all.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 11 Jun 2006 07:30:16 +0000
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children 99210400e8b9
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1 /*
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2 SDL - Simple DirectMedia Layer
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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: */