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annotate src/cdrom/os2/SDL_syscdrom.c @ 2256:e893d24ad8db

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Getting ready to add slow blitters. Everyone will love me. :)
author Sam Lantinga <slouken@libsdl.org>
date Thu, 16 Aug 2007 22:56:18 +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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3 Copyright (C) 1997-2006 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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 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 #ifdef SDL_CDROM_OS2
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25
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26 /* Functions for system-level CD-ROM audio control */
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27
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28 #define INCL_MCIOS2
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29 #include <os2.h>
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30 #include <os2me.h>
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31
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32 #include "SDL_cdrom.h"
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33 #include "../SDL_syscdrom.h"
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34
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35 /* Size of MCI result buffer (in bytes) */
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36 #define MCI_CMDRETBUFSIZE 128
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37
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38 /* The maximum number of CD-ROM drives we'll detect */
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39 #define MAX_DRIVES 16
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40
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41 /* A list of available CD-ROM drives */
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42 static char *SDL_cdlist[MAX_DRIVES];
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43 //static dev_t SDL_cdmode[MAX_DRIVES];
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44
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45 /* The system-dependent CD control functions */
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46 static const char *SDL_SYS_CDName(int drive);
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47 static int SDL_SYS_CDOpen(int drive);
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48 static int SDL_SYS_CDGetTOC(SDL_CD * cdrom);
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49 static CDstatus SDL_SYS_CDStatus(SDL_CD * cdrom, int *position);
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50 static int SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length);
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51 static int SDL_SYS_CDPause(SDL_CD * cdrom);
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52 static int SDL_SYS_CDResume(SDL_CD * cdrom);
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53 static int SDL_SYS_CDStop(SDL_CD * cdrom);
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54 static int SDL_SYS_CDEject(SDL_CD * cdrom);
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55 static void SDL_SYS_CDClose(SDL_CD * cdrom);
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56
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57 /* MCI Timing Functions */
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58 #define MCI_MMTIMEPERSECOND 3000
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59 #define FRAMESFROMMM(mmtime) (((mmtime)*CD_FPS)/MCI_MMTIMEPERSECOND)
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60
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61
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62 /* Ready for MCI CDAudio Devices */
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63 int
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64 SDL_SYS_CDInit(void)
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65 {
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66 int i; /* generig counter */
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67 MCI_SYSINFO_PARMS msp; /* Structure to MCI SysInfo parameters */
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68 CHAR SysInfoRet[MCI_CMDRETBUFSIZE]; /* Buffer for MCI Command result */
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69
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70 /* Fill in our driver capabilities */
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71 SDL_CDcaps.Name = SDL_SYS_CDName;
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72 SDL_CDcaps.Open = SDL_SYS_CDOpen;
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73 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
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74 SDL_CDcaps.Status = SDL_SYS_CDStatus;
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75 SDL_CDcaps.Play = SDL_SYS_CDPlay;
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76 SDL_CDcaps.Pause = SDL_SYS_CDPause;
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77 SDL_CDcaps.Resume = SDL_SYS_CDResume;
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78 SDL_CDcaps.Stop = SDL_SYS_CDStop;
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79 SDL_CDcaps.Eject = SDL_SYS_CDEject;
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80 SDL_CDcaps.Close = SDL_SYS_CDClose;
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81
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82 /* Get the number of CD ROMs in the System */
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83 /* Clean SysInfo structure */
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84 SDL_memset(&msp, 0x00, sizeof(MCI_SYSINFO_PARMS));
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85 /* Prepare structure to Ask Numer of Audio CDs */
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86 msp.usDeviceType = MCI_DEVTYPE_CD_AUDIO; /* CD Audio Type */
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87 msp.pszReturn = (PSZ) & SysInfoRet; /* Return Structure */
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88 msp.ulRetSize = MCI_CMDRETBUFSIZE; /* Size of ret struct */
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89 if (LOUSHORT
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90 (mciSendCommand
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91 (0, MCI_SYSINFO, MCI_SYSINFO_QUANTITY | MCI_WAIT, (PVOID) & msp,
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92 0)) != MCIERR_SUCCESS)
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93 return (CD_ERROR);
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94 SDL_numcds = atoi(SysInfoRet);
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95 if (SDL_numcds > MAX_DRIVES)
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96 SDL_numcds = MAX_DRIVES; /* Limit maximum CD number */
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97
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98 /* Get and Add their system name to the SDL_cdlist */
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99 msp.pszReturn = (PSZ) & SysInfoRet; /* Return Structure */
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100 msp.ulRetSize = MCI_CMDRETBUFSIZE; /* Size of ret struct */
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101 msp.usDeviceType = MCI_DEVTYPE_CD_AUDIO; /* CD Audio Type */
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102 for (i = 0; i < SDL_numcds; i++) {
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103 msp.ulNumber = i + 1;
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104 mciSendCommand(0, MCI_SYSINFO, MCI_SYSINFO_NAME | MCI_WAIT, &msp, 0);
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105 SDL_cdlist[i] = SDL_strdup(SysInfoRet);
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106 if (SDL_cdlist[i] == NULL) {
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107 SDL_OutOfMemory();
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108 return (-1);
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109 }
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110 }
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111 return (0);
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112 }
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113
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114 /* Return CDAudio System Dependent Device Name - Ready for MCI*/
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115 static const char *
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116 SDL_SYS_CDName(int drive)
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117 {
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118 return (SDL_cdlist[drive]);
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119 }
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120
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121 /* Open CDAudio Device - Ready for MCI */
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122 static int
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123 SDL_SYS_CDOpen(int drive)
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124 {
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125 MCI_OPEN_PARMS mop;
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126 MCI_SET_PARMS msp;
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127 MCI_GENERIC_PARMS mgp;
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128
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129 /* Open the device */
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130 mop.hwndCallback = (HWND) NULL; // None
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131 mop.usDeviceID = (USHORT) NULL; // Will be returned.
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132 mop.pszDeviceType = (PSZ) SDL_cdlist[drive]; // CDAudio Device
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
133 if (LOUSHORT(mciSendCommand(0, MCI_OPEN, MCI_WAIT, &mop, 0)) !=
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
134 MCIERR_SUCCESS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
135 return (CD_ERROR);
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136 /* Set time format */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
137 msp.hwndCallback = (HWND) NULL; // None
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
138 msp.ulTimeFormat = MCI_FORMAT_MSF; // Minute : Second : Frame structure
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
139 msp.ulSpeedFormat = (ULONG) NULL; // No change
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
140 msp.ulAudio = (ULONG) NULL; // No Channel
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
141 msp.ulLevel = (ULONG) NULL; // No Volume
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
142 msp.ulOver = (ULONG) NULL; // No Delay
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
143 msp.ulItem = (ULONG) NULL; // No item
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
144 msp.ulValue = (ULONG) NULL; // No value for item flag
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
145 if (LOUSHORT
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Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
146 (mciSendCommand
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
147 (mop.usDeviceID, MCI_SET, MCI_WAIT | MCI_SET_TIME_FORMAT, &msp,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
148 0)) == MCIERR_SUCCESS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
149 return (mop.usDeviceID);
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150 /* Error setting time format? - Close opened device */
1895
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diff changeset
151 mgp.hwndCallback = (HWND) NULL; // None
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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152 mciSendCommand(mop.usDeviceID, MCI_CLOSE, MCI_WAIT, &mgp, 0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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153 return (CD_ERROR);
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154 }
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155
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diff changeset
156 /* Get CD Table Of Contents - Ready for MCI */
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
157 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
158 SDL_SYS_CDGetTOC(SDL_CD * cdrom)
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159 {
1895
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diff changeset
160 MCI_TOC_PARMS mtp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
161 MCI_STATUS_PARMS msp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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162 MCI_TOC_REC *mtr;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
163 INT i;
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164
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165 /* Correction because MCI cannot read TOC while CD is playing (it'll stop!) */
1895
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diff changeset
166 if (cdrom->status == CD_PLAYING || cdrom->status == CD_PAUSED)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
167 return 0;
1190
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168
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169 /* Get Number of Tracks */
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diff changeset
170 msp.hwndCallback = (HWND) NULL; /* None */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
171 msp.ulReturn = (ULONG) NULL; /* We want this information */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
172 msp.ulItem = MCI_STATUS_NUMBER_OF_TRACKS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
173 msp.ulValue = (ULONG) NULL; /* No additional information */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
174 if (LOUSHORT
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
175 (mciSendCommand
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
176 (cdrom->id, MCI_STATUS, MCI_WAIT | MCI_STATUS_ITEM, &msp,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
177 0)) != MCIERR_SUCCESS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
178 return (CD_ERROR);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
179 cdrom->numtracks = msp.ulReturn;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
180 if (cdrom->numtracks > SDL_MAX_TRACKS) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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181 cdrom->numtracks = SDL_MAX_TRACKS;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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182 }
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183 /* Alocate space for TOC data */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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184 mtr = (MCI_TOC_REC *) SDL_malloc(cdrom->numtracks * sizeof(MCI_TOC_REC));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
185 if (mtr == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
186 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
187 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
188 }
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189 /* Get TOC from CD */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
190 mtp.pBuf = mtr;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
191 mtp.ulBufSize = cdrom->numtracks * sizeof(MCI_TOC_REC);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
192 if (LOUSHORT(mciSendCommand(cdrom->id, MCI_GETTOC, MCI_WAIT, &mtp, 0))
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
193 != MCIERR_SUCCESS) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
194 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
195 SDL_free(mtr);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
196 return (CD_ERROR);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
197 }
1190
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198 /* Fill SDL Tracks Structure */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
199 for (i = 0; i < cdrom->numtracks; i++) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
200 /* Set Track ID */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
201 cdrom->track[i].id = (mtr + i)->TrackNum;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
202 /* Set Track Type */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
203 msp.hwndCallback = (HWND) NULL; /* None */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
204 msp.ulReturn = (ULONG) NULL; /* We want this information */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
205 msp.ulItem = MCI_CD_STATUS_TRACK_TYPE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
206 msp.ulValue = (ULONG) ((mtr + i)->TrackNum); /* Track Number? */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
207 if (LOUSHORT
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
208 (mciSendCommand
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
209 (cdrom->id, MCI_STATUS, MCI_WAIT | MCI_TRACK | MCI_STATUS_ITEM,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
210 &msp, 0)) != MCIERR_SUCCESS) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
211 SDL_free(mtr);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
212 return (CD_ERROR);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
213 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
214 if (msp.ulReturn == MCI_CD_TRACK_AUDIO)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
215 cdrom->track[i].type = SDL_AUDIO_TRACK;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
216 else
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
217 cdrom->track[i].type = SDL_DATA_TRACK;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
218 /* Set Track Length - values from MCI are in MMTIMEs - 3000 MMTIME = 1 second */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
219 cdrom->track[i].length =
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
220 FRAMESFROMMM((mtr + i)->ulEndAddr - (mtr + i)->ulStartAddr);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
221 /* Set Track Offset */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
222 cdrom->track[i].offset = FRAMESFROMMM((mtr + i)->ulStartAddr);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
223 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
224 SDL_free(mtr);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
225 return (0);
1190
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diff changeset
226 }
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diff changeset
227
173c063d4f55 OS/2 port!
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parents:
diff changeset
228
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diff changeset
229 /* Get CD-ROM status - Ready for MCI */
1895
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diff changeset
230 static CDstatus
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
231 SDL_SYS_CDStatus(SDL_CD * cdrom, int *position)
1190
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diff changeset
232 {
1895
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diff changeset
233 CDstatus status;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
234 MCI_STATUS_PARMS msp;
1190
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diff changeset
235
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diff changeset
236 /* Get Status from MCI */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
237 msp.hwndCallback = (HWND) NULL; /* None */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
238 msp.ulReturn = (ULONG) NULL; /* We want this information */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
239 msp.ulItem = MCI_STATUS_MODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
240 msp.ulValue = (ULONG) NULL; /* No additional information */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
241 if (LOUSHORT
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
242 (mciSendCommand
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
243 (cdrom->id, MCI_STATUS, MCI_WAIT | MCI_STATUS_ITEM, &msp,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
244 0)) != MCIERR_SUCCESS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
245 status = CD_ERROR;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
246 else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
247 switch (msp.ulReturn) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
248 case MCI_MODE_NOT_READY:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
249 status = CD_TRAYEMPTY;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
250 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
251 case MCI_MODE_PAUSE:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
252 status = CD_PAUSED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1635
diff changeset
253 break;
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254 case MCI_MODE_PLAY:
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255 status = CD_PLAYING;
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256 break;
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diff changeset
257 case MCI_MODE_STOP:
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258 status = CD_STOPPED;
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259 break;
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260 /* These cases should not occour */
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261 case MCI_MODE_RECORD:
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262 case MCI_MODE_SEEK:
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263 default:
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diff changeset
264 status = CD_ERROR;
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diff changeset
265 break;
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266 }
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267 }
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268
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269 /* Determine position */
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270 if (position != NULL) { /* The SDL $&$&%# CDROM call sends NULL pointer here! */
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271 if ((status == CD_PLAYING) || (status == CD_PAUSED)) {
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272 /* Get Position */
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273 msp.hwndCallback = (HWND) NULL; /* None */
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274 msp.ulReturn = (ULONG) NULL; /* We want this information */
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275 msp.ulItem = MCI_STATUS_POSITION;
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276 msp.ulValue = (ULONG) NULL; /* No additiona info */
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277 if (LOUSHORT
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diff changeset
278 (mciSendCommand
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diff changeset
279 (cdrom->id, MCI_STATUS, MCI_WAIT | MCI_STATUS_ITEM, &msp,
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280 0)) != MCIERR_SUCCESS)
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281 return (CD_ERROR);
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diff changeset
282 /* Convert from MSF (format selected in the Open process) to Frames (format that will be returned) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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283 *position =
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284 MSF_TO_FRAMES(MSF_MINUTE(msp.ulReturn),
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285 MSF_SECOND(msp.ulReturn),
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286 MSF_FRAME(msp.ulReturn));
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287 } else
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
288 *position = 0;
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289 }
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290 return (status);
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291 }
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292
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293 /* Start play - Ready for MCI */
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294 static int
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295 SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length)
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296 {
1895
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297 MCI_GENERIC_PARMS mgp;
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298 MCI_STATUS_PARMS msp;
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299 MCI_PLAY_PARMS mpp;
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300 ULONG min, sec, frm;
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301
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302 /* Start MSF */
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303 FRAMES_TO_MSF(start, &min, &sec, &frm);
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304 MSF_MINUTE(mpp.ulFrom) = min;
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diff changeset
305 MSF_SECOND(mpp.ulFrom) = sec;
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306 MSF_FRAME(mpp.ulFrom) = frm;
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307 /* End MSF */
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308 FRAMES_TO_MSF(start + length, &min, &sec, &frm);
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309 MSF_MINUTE(mpp.ulTo) = min;
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310 MSF_SECOND(mpp.ulTo) = sec;
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311 MSF_FRAME(mpp.ulTo) = frm;
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312 #ifdef DEBUG_CDROM
1895
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313 fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n",
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314 playtime.cdmsf_min0, playtime.cdmsf_sec0, playtime.cdmsf_frame0,
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diff changeset
315 playtime.cdmsf_min1, playtime.cdmsf_sec1, playtime.cdmsf_frame1);
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316 #endif
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317 /* Verifies if it is paused first... and if it is, unpause before stopping it. */
1895
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diff changeset
318 msp.hwndCallback = (HWND) NULL; /* None */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
319 msp.ulReturn = (ULONG) NULL; /* We want this information */
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diff changeset
320 msp.ulItem = MCI_STATUS_MODE;
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diff changeset
321 msp.ulValue = (ULONG) NULL; /* No additional information */
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diff changeset
322 if (LOUSHORT
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diff changeset
323 (mciSendCommand
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
324 (cdrom->id, MCI_STATUS, MCI_WAIT | MCI_STATUS_ITEM, &msp,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
325 0)) == MCIERR_SUCCESS) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
326 if (msp.ulReturn == MCI_MODE_PAUSE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
327 mgp.hwndCallback = (HWND) NULL; // None
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328 mciSendCommand(cdrom->id, MCI_RESUME, 0, &mgp, 0);
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diff changeset
329 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
330 }
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331 /* Now play it. */
1895
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diff changeset
332 mpp.hwndCallback = (HWND) NULL; // We do not want the info. temp
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
333 if (LOUSHORT
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
334 (mciSendCommand(cdrom->id, MCI_PLAY, MCI_FROM | MCI_TO, &mpp, 0)) ==
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
335 MCIERR_SUCCESS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
336 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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337 return (CD_ERROR);
1190
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338 }
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339
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340 /* Pause play - Ready for MCI */
1895
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diff changeset
341 static int
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diff changeset
342 SDL_SYS_CDPause(SDL_CD * cdrom)
1190
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343 {
1895
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344 MCI_GENERIC_PARMS mgp;
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345
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346 mgp.hwndCallback = (HWND) NULL; // None
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diff changeset
347 if (LOUSHORT(mciSendCommand(cdrom->id, MCI_PAUSE, MCI_WAIT, &mgp, 0)) ==
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
348 MCIERR_SUCCESS)
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diff changeset
349 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
350 return (CD_ERROR);
1190
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351 }
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352
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353 /* Resume play - Ready for MCI */
1895
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diff changeset
354 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
355 SDL_SYS_CDResume(SDL_CD * cdrom)
1190
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diff changeset
356 {
1895
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diff changeset
357 MCI_GENERIC_PARMS mgp;
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358
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diff changeset
359 mgp.hwndCallback = (HWND) NULL; // None
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
360 if (LOUSHORT(mciSendCommand(cdrom->id, MCI_RESUME, MCI_WAIT, &mgp, 0))
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
361 == MCIERR_SUCCESS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
362 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
363 return (CD_ERROR);
1190
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364 }
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diff changeset
365
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diff changeset
366 /* Stop play - Ready for MCI */
1895
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diff changeset
367 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
368 SDL_SYS_CDStop(SDL_CD * cdrom)
1190
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diff changeset
369 {
1895
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diff changeset
370 MCI_GENERIC_PARMS mgp;
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diff changeset
371 MCI_STATUS_PARMS msp;
1190
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diff changeset
372
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373 /* Verifies if it is paused first... and if it is, unpause before stopping it. */
1895
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diff changeset
374 msp.hwndCallback = (HWND) NULL; /* None */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
375 msp.ulReturn = (ULONG) NULL; /* We want this information */
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diff changeset
376 msp.ulItem = MCI_STATUS_MODE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
377 msp.ulValue = (ULONG) NULL; /* No additional information */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1635
diff changeset
378 if (LOUSHORT
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379 (mciSendCommand
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380 (cdrom->id, MCI_STATUS, MCI_WAIT | MCI_STATUS_ITEM, &msp,
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381 0)) == MCIERR_SUCCESS) {
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382 if (msp.ulReturn == MCI_MODE_PAUSE) {
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383 mgp.hwndCallback = (HWND) NULL; // None
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384 mciSendCommand(cdrom->id, MCI_RESUME, 0, &mgp, 0);
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385 }
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386 }
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387 /* Now stops the media */
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388 mgp.hwndCallback = (HWND) NULL; // None
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389 if (LOUSHORT(mciSendCommand(cdrom->id, MCI_STOP, MCI_WAIT, &mgp, 0)) ==
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390 MCIERR_SUCCESS)
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391 return 0;
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392 return (CD_ERROR);
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393 }
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394
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395 /* Eject the CD-ROM - Ready for MCI */
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396 static int
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397 SDL_SYS_CDEject(SDL_CD * cdrom)
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398 {
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399 MCI_SET_PARMS msp;
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400
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401 msp.hwndCallback = (HWND) NULL; // None
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402 msp.ulTimeFormat = (ULONG) NULL; // No change
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403 msp.ulSpeedFormat = (ULONG) NULL; // No change
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404 msp.ulAudio = (ULONG) NULL; // No Channel
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405 msp.ulLevel = (ULONG) NULL; // No Volume
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406 msp.ulOver = (ULONG) NULL; // No Delay
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407 msp.ulItem = (ULONG) NULL; // No item
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408 msp.ulValue = (ULONG) NULL; // No value for item flag
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409 if (LOUSHORT
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diff changeset
410 (mciSendCommand
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411 (cdrom->id, MCI_SET, MCI_WAIT | MCI_SET_DOOR_OPEN, &msp,
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412 0)) == MCIERR_SUCCESS)
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413 return 0;
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414 return (CD_ERROR);
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415 }
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416
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417 /* Close the CD-ROM handle - Ready for MCI */
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418 static void
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419 SDL_SYS_CDClose(SDL_CD * cdrom)
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420 {
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421 MCI_GENERIC_PARMS mgp;
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422
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423 mgp.hwndCallback = (HWND) NULL; // None
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424 mciSendCommand(cdrom->id, MCI_CLOSE, MCI_WAIT, &mgp, 0);
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425 }
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426
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427 /* Finalize CDROM Subsystem - Ready for MCI */
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428 void
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429 SDL_SYS_CDQuit(void)
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430 {
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431 int i;
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432
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433 if (SDL_numcds > 0) {
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434 for (i = 0; i < SDL_numcds; ++i) {
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435 SDL_free(SDL_cdlist[i]);
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436 }
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437 SDL_numcds = 0;
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438 }
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439 }
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440
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441 #endif /* SDL_CDROM_OS2 */
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442 /* vi: set ts=4 sw=4 expandtab: */