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annotate src/audio/mint/SDL_mintaudio.h @ 1135:cf6133247d34

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Mac Classic and CodeWarrior patches. --ryan. From: =?ISO-8859-1?Q?Anders_F_Bj=F6rklund?= <afb@algonet.se> Subject: Re: [SDL] Updated Mac patch Date: Tue, 6 Sep 2005 15:21:27 +0200 To: A list for developers using the SDL library <sdl@libsdl.org> Earlier, I wrote: > Updated the previous Mac patch to disable Carbon by default. > Also "fixed" the SDL.spec again, so that it builds on Darwin. > > http://www.algonet.se/~afb/SDL-1.2.9-mac.patch > Also applied fine to SDL12 CVS, when I tried it. > > Haven't completed any new packaging or projects for Xcode/PB, > but it seems to build and install fine here (in development). Tested the new patch to build with old CodeWarrior and MPW, and it seems it needed some hacks with those old headers... Just in case you want to support the archeological versions - here is a small add-on to the above patch, to fix those... http://www.algonet.se/~afb/SDL-1.2.9-classic.patch I couldn't get the old CW5 projects to build without a few modifications - such as deleting the stray old header in: "CWprojects/Support/Carbon/Include/ConditionalMacros.h" ? But I updated both projects to CW6 too and built for Carbon, and it ran all of the Mac test projects without any problems. The MPW file seems to have compiled, with a small order change. As long as you're still shipping the CWProjects and MPWmake with the download, they should probably be updated/fixed ? (another "solution" would of course be to just delete them) I'll post my new projects along with the new Xcode projects later on, along with XML exports of the various .mcp files. (CW5 builds for Classic / "PPC", and CW6 builds for Carbon) It'll be packaged as a part of the next SpriteWorld X release... http://spriteworldx.sourceforge.net/ [Classic/Carbon/Win/X11] --anders
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 08 Sep 2005 06:34:28 +0000
parents 12c49532be00
children 19418e4422cb
rev   line source
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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
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23 /*
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24 MiNT audio driver
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25
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26 Patrice Mandin
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27 */
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28
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29 #ifndef _SDL_mintaudio_h
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30 #define _SDL_mintaudio_h
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31
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32 #include "SDL_sysaudio.h"
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33 #include "SDL_mintaudio_stfa.h"
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34
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35 /* Hidden "this" pointer for the audio functions */
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36 #define _THIS SDL_AudioDevice *this
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37
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38 /* 16 predivisors with 3 clocks max. */
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39 #define MINTAUDIO_maxfreqs (16*3)
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40
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41 typedef struct {
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42 Uint32 frequency;
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43 Uint32 masterclock;
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44 Uint32 predivisor;
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45 int gpio_bits; /* in case of external clock */
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46 } mint_frequency_t;
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47
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48 struct SDL_PrivateAudioData {
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49 mint_frequency_t frequencies[MINTAUDIO_maxfreqs];
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50 int freq_count; /* Number of frequencies in the array */
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51 int numfreq; /* Number of selected frequency */
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52 };
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53
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54 /* Old variable names */
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55
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56 #define MINTAUDIO_frequencies (this->hidden->frequencies)
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57 #define MINTAUDIO_freqcount (this->hidden->freq_count)
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58 #define MINTAUDIO_numfreq (this->hidden->numfreq)
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59
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60 /* _MCH cookie (values>>16) */
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61 enum {
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62 MCH_ST=0,
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63 MCH_STE,
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64 MCH_TT,
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65 MCH_F30,
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66 MCH_CLONE,
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67 MCH_ARANYM
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68 };
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69
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70 /* Master clocks for replay frequencies */
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71 #define MASTERCLOCK_STE 8010666 /* Not sure of this one */
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72 #define MASTERCLOCK_TT 16107953 /* Not sure of this one */
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73 #define MASTERCLOCK_FALCON1 25175000
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74 #define MASTERCLOCK_FALCON2 32000000 /* Only usable for DSP56K */
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75 #define MASTERCLOCK_FALCONEXT -1 /* Clock on DSP56K port, unknown */
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76 #define MASTERCLOCK_44K 22579200 /* Standard clock for 44.1 Khz */
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77 #define MASTERCLOCK_48K 24576000 /* Standard clock for 48 Khz */
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78
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79 /* Master clock predivisors */
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80 #define MASTERPREDIV_STE 160
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81 #define MASTERPREDIV_TT 320
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82 #define MASTERPREDIV_FALCON 256
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83 #define MASTERPREDIV_MILAN 256
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84
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85 /* MFP 68901 interrupt sources */
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86 enum {
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87 MFP_PARALLEL=0,
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88 MFP_DCD,
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89 MFP_CTS,
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90 MFP_BITBLT,
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91 MFP_TIMERD,
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92 MFP_BAUDRATE=MFP_TIMERD,
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93 MFP_TIMERC,
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94 MFP_200HZ=MFP_TIMERC,
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95 MFP_ACIA,
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96 MFP_DISK,
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97 MFP_TIMERB,
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98 MFP_HBLANK=MFP_TIMERB,
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99 MFP_TERR,
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100 MFP_TBE,
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101 MFP_RERR,
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102 MFP_RBF,
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103 MFP_TIMERA,
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104 MFP_DMASOUND=MFP_TIMERA,
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105 MFP_RING,
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106 MFP_MONODETECT
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107 };
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108
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109 /* Xbtimer() timers */
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110 enum {
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111 XB_TIMERA=0,
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112 XB_TIMERB,
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113 XB_TIMERC,
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114 XB_TIMERD
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115 };
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116
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117 /* Variables */
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118 extern SDL_AudioDevice *SDL_MintAudio_device;
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119 extern Uint8 *SDL_MintAudio_audiobuf[2]; /* Pointers to buffers */
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120 extern unsigned long SDL_MintAudio_audiosize; /* Length of audio buffer=spec->size */
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121 extern unsigned short SDL_MintAudio_numbuf; /* Buffer to play */
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122 extern unsigned short SDL_MintAudio_mutex;
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123 extern cookie_stfa_t *SDL_MintAudio_stfa;
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124 extern unsigned long SDL_MintAudio_clocktics;
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125
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126 /* MiNT thread variables */
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127 extern SDL_bool SDL_MintAudio_mint_present;
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128 extern SDL_bool SDL_MintAudio_quit_thread;
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129 extern SDL_bool SDL_MintAudio_thread_finished;
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130 extern long SDL_MintAudio_thread_pid;
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131
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132 /* Functions */
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133 void SDL_MintAudio_Callback(void);
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134 void SDL_MintAudio_AddFrequency(_THIS, Uint32 frequency, Uint32 clock,
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Patrice Mandin <patmandin@gmail.com>
parents: 1079
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135 Uint32 prediv, int gpio_bits);
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parents: 769
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136 int SDL_MintAudio_SearchFrequency(_THIS, int desired_freq);
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parents: 398
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137
1111
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parents: 1107
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138 /* MiNT thread functions */
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Patrice Mandin <patmandin@gmail.com>
parents: 1107
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139 int SDL_MintAudio_Thread(long param);
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt
Patrice Mandin <patmandin@gmail.com>
parents: 1107
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140 void SDL_MintAudio_WaitThread(void);
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Patrice Mandin <patmandin@gmail.com>
parents: 1107
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141
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Patrice Mandin <patmandin@gmail.com>
parents: 398
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142 /* ASM interrupt functions */
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Patrice Mandin <patmandin@gmail.com>
parents: 398
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143 void SDL_MintAudio_GsxbInterrupt(void);
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parents: 398
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144 void SDL_MintAudio_EmptyGsxbInterrupt(void);
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185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200
Patrice Mandin <patmandin@gmail.com>
parents: 769
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145 void SDL_MintAudio_XbiosInterruptMeasureClock(void);
644
594422ab8f9f Atari MiNT: added more audio drivers
Patrice Mandin <patmandin@gmail.com>
parents: 398
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146 void SDL_MintAudio_XbiosInterrupt(void);
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Patrice Mandin <patmandin@gmail.com>
parents: 398
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147 void SDL_MintAudio_Dma8Interrupt(void);
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parents: 398
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148 void SDL_MintAudio_StfaInterrupt(void);
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parents: 398
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149
398
d219b0e02f5f Added Atari audio support (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
parents:
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150 #endif /* _SDL_mintaudio_h */