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annotate src/audio/mint/SDL_mintaudio.h @ 753:b14fdadd8311

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Date: Thu, 4 Dec 2003 07:48:40 +0200 From: "Mike Gorchak" Subject: SDL/QNX6 new patch Here in attachment my patch for the SDL/QNX6 again :) It contain non-crtitical/cosmetic fixes: 1. Fixed window centering at other than the first consoles. 2. Fixed window centering algorithm in case when window height or width are greater than the desktop resolution. 3. Fixed window positioning on other than the first consoles. 4. Fixed occasional input focus lost when switching to fullscreen. 5. Removed the Photon's default chroma color for the overlays, added RGB(12, 6, 12) color instead (very dark pink). 6. Added more checks to the YUV overlay code (fixed crashes during resolution mode switches). 7. Added support for Enter/Backspace keys in unicode mode (used by Maelstrom and by other games). 8. Fixed window restore/maximize function. It works, finally.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 10 Dec 2003 12:35:56 +0000
parents c4803992e09c
children b8d311d90021
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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 struct SDL_PrivateAudioData {
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39 Uint32 hardfreq[16]; /* Array of replay freqs of the hardware */
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40 int sfreq; /* First number of freq to use in the array */
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41 int nfreq; /* Number of freqs to use in the array */
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42 int numfreq; /* Number of selected frequency */
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43 };
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44
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45 /* Old variable names */
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46 #define MINTAUDIO_hardfreq (this->hidden->hardfreq)
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47 #define MINTAUDIO_sfreq (this->hidden->sfreq)
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48 #define MINTAUDIO_nfreq (this->hidden->nfreq)
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49 #define MINTAUDIO_numfreq (this->hidden->numfreq)
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50
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51 /* _MCH cookie (values>>16) */
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52 enum {
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53 MCH_ST=0,
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54 MCH_STE,
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55 MCH_TT,
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56 MCH_F30
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57 };
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58
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59 /* Master clocks for replay frequencies */
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60 #define MASTERCLOCK_STE 8010666 /* Not sure of this one */
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61 #define MASTERCLOCK_TT 16107953 /* Not sure of this one */
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62 #define MASTERCLOCK_FALCON1 25175000
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63 #define MASTERCLOCK_FALCON2 32000000 /* Only usable for DSP56K */
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64 #define MASTERCLOCK_FALCONEXT -1 /* Clock on DSP56K port, unknown */
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65 #define MASTERCLOCK_44K 22579200 /* Standard clock for 44.1 Khz */
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66 #define MASTERCLOCK_48K 24576000 /* Standard clock for 48 Khz */
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67
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68 /* Master clock predivisors */
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69 #define MASTERPREDIV_STE 160
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70 #define MASTERPREDIV_TT 320
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71 #define MASTERPREDIV_FALCON 256
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72 #define MASTERPREDIV_MILAN 256
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73
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74 /* MFP 68901 interrupt sources */
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75 enum {
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76 MFP_PARALLEL=0,
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77 MFP_DCD,
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78 MFP_CTS,
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79 MFP_BITBLT,
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80 MFP_TIMERD,
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81 MFP_BAUDRATE=MFP_TIMERD,
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82 MFP_TIMERC,
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83 MFP_200HZ=MFP_TIMERC,
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84 MFP_ACIA,
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85 MFP_DISK,
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86 MFP_TIMERB,
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87 MFP_HBLANK=MFP_TIMERB,
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88 MFP_TERR,
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89 MFP_TBE,
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90 MFP_RERR,
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91 MFP_RBF,
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92 MFP_TIMERA,
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93 MFP_DMASOUND=MFP_TIMERA,
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94 MFP_RING,
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95 MFP_MONODETECT
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96 };
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97
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98 /* Xbtimer() timers */
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99 enum {
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100 XB_TIMERA=0,
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101 XB_TIMERB,
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102 XB_TIMERC,
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103 XB_TIMERD
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104 };
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105
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106 /* Variables */
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107 extern SDL_AudioDevice *SDL_MintAudio_device;
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108 extern Uint8 *SDL_MintAudio_audiobuf[2]; /* Pointers to buffers */
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109 extern unsigned long SDL_MintAudio_audiosize; /* Length of audio buffer=spec->size */
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110 extern unsigned short SDL_MintAudio_numbuf; /* Buffer to play */
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111 extern unsigned short SDL_MintAudio_mutex;
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112 extern cookie_stfa_t *SDL_MintAudio_stfa;
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113
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114 /* Functions */
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115 void SDL_MintAudio_Callback(void);
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116 int SDL_MintAudio_SearchFrequency(_THIS, int falcon_codec, int desired_freq);
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117
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118 /* ASM interrupt functions */
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119 void SDL_MintAudio_GsxbInterrupt(void);
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120 void SDL_MintAudio_EmptyGsxbInterrupt(void);
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121 void SDL_MintAudio_XbiosInterrupt(void);
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122 void SDL_MintAudio_Dma8Interrupt(void);
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123 void SDL_MintAudio_StfaInterrupt(void);
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124
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125 #endif /* _SDL_mintaudio_h */