annotate src/cdrom/os2/SDL_syscdrom.c @ 4099:822f9624f984 SDL-1.2

Brian Fisher fixed bug #513 If an app requests a 24-bit opengl mode on a machine with a 32-bit desktop with the windib video backend, then when exiting fullscreen the desktop resolution is not restored The reason this is, is because the windib backend restores the desktop resolution when exiting fullscreen in DIB_SetVideoMode when it finds that the last request was for fullscreen by checking the original flags on the video surface. However, if the bits per pixel requested is different than current surface, the video surface is recreated and the original video flags are lost. So the check to see if we were exiting fullscreen fails. below is a patch to SDL_dibvideo.c that solves the problem by using the original flags in all cases. thanks!
author Sam Lantinga <slouken@libsdl.org>
date Fri, 28 Dec 2007 08:00:30 +0000
parents 92947e3a18db
children 782fd950bd46 c121d94672cb a1b03ba2fcd0
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 SDL_SYS_CDInit(void)
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64 {
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65 int i; /* generig counter */
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66 MCI_SYSINFO_PARMS msp; /* Structure to MCI SysInfo parameters */
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67 CHAR SysInfoRet[MCI_CMDRETBUFSIZE]; /* Buffer for MCI Command result */
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68
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69 /* Fill in our driver capabilities */
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70 SDL_CDcaps.Name = SDL_SYS_CDName;
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71 SDL_CDcaps.Open = SDL_SYS_CDOpen;
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72 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
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73 SDL_CDcaps.Status = SDL_SYS_CDStatus;
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74 SDL_CDcaps.Play = SDL_SYS_CDPlay;
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75 SDL_CDcaps.Pause = SDL_SYS_CDPause;
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76 SDL_CDcaps.Resume = SDL_SYS_CDResume;
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77 SDL_CDcaps.Stop = SDL_SYS_CDStop;
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78 SDL_CDcaps.Eject = SDL_SYS_CDEject;
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79 SDL_CDcaps.Close = SDL_SYS_CDClose;
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80
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81 /* Get the number of CD ROMs in the System */
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82 /* Clean SysInfo structure */
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83 SDL_memset(&msp, 0x00, sizeof(MCI_SYSINFO_PARMS));
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84 /* Prepare structure to Ask Numer of Audio CDs */
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85 msp.usDeviceType = MCI_DEVTYPE_CD_AUDIO; /* CD Audio Type */
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86 msp.pszReturn = (PSZ)&SysInfoRet; /* Return Structure */
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87 msp.ulRetSize = MCI_CMDRETBUFSIZE; /* Size of ret struct */
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88 if (LOUSHORT(mciSendCommand(0,MCI_SYSINFO, MCI_SYSINFO_QUANTITY | MCI_WAIT, (PVOID)&msp, 0)) != MCIERR_SUCCESS) return(CD_ERROR);
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89 SDL_numcds = atoi(SysInfoRet);
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90 if (SDL_numcds > MAX_DRIVES) SDL_numcds = MAX_DRIVES; /* Limit maximum CD number */
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91
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92 /* Get and Add their system name to the SDL_cdlist */
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93 msp.pszReturn = (PSZ)&SysInfoRet; /* Return Structure */
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94 msp.ulRetSize = MCI_CMDRETBUFSIZE; /* Size of ret struct */
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95 msp.usDeviceType = MCI_DEVTYPE_CD_AUDIO; /* CD Audio Type */
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96 for (i=0; i<SDL_numcds; i++)
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97 {
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98 msp.ulNumber = i+1;
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99 mciSendCommand(0,MCI_SYSINFO, MCI_SYSINFO_NAME | MCI_WAIT,&msp, 0);
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100 SDL_cdlist[i] = SDL_strdup(SysInfoRet);
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101 if ( SDL_cdlist[i] == NULL )
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102 {
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103 SDL_OutOfMemory();
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104 return(-1);
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105 }
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106 }
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107 return(0);
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108 }
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109
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110 /* Return CDAudio System Dependent Device Name - Ready for MCI*/
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111 static const char *SDL_SYS_CDName(int drive)
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112 {
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113 return(SDL_cdlist[drive]);
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114 }
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115
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116 /* Open CDAudio Device - Ready for MCI */
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117 static int SDL_SYS_CDOpen(int drive)
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118 {
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119 MCI_OPEN_PARMS mop;
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120 MCI_SET_PARMS msp;
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121 MCI_GENERIC_PARMS mgp;
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122
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123 /* Open the device */
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124 mop.hwndCallback = (HWND)NULL; // None
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125 mop.usDeviceID = (USHORT)NULL; // Will be returned.
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126 mop.pszDeviceType = (PSZ)SDL_cdlist[drive]; // CDAudio Device
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127 if (LOUSHORT(mciSendCommand(0,MCI_OPEN,MCI_WAIT,&mop, 0)) != MCIERR_SUCCESS) return(CD_ERROR);
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128 /* Set time format */
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129 msp.hwndCallback = (HWND)NULL; // None
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130 msp.ulTimeFormat = MCI_FORMAT_MSF; // Minute : Second : Frame structure
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131 msp.ulSpeedFormat = (ULONG)NULL; // No change
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132 msp.ulAudio = (ULONG)NULL; // No Channel
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133 msp.ulLevel = (ULONG)NULL; // No Volume
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134 msp.ulOver = (ULONG)NULL; // No Delay
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135 msp.ulItem = (ULONG)NULL; // No item
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136 msp.ulValue = (ULONG)NULL; // No value for item flag
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137 if (LOUSHORT(mciSendCommand(mop.usDeviceID,MCI_SET,MCI_WAIT | MCI_SET_TIME_FORMAT,&msp, 0)) == MCIERR_SUCCESS) return (mop.usDeviceID);
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138 /* Error setting time format? - Close opened device */
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139 mgp.hwndCallback = (HWND)NULL; // None
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140 mciSendCommand(mop.usDeviceID,MCI_CLOSE,MCI_WAIT,&mgp, 0);
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141 return(CD_ERROR);
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142 }
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143
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144 /* Get CD Table Of Contents - Ready for MCI */
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145 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
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146 {
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147 MCI_TOC_PARMS mtp;
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diff changeset
148 MCI_STATUS_PARMS msp;
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149 MCI_TOC_REC * mtr;
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diff changeset
150 INT i;
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151
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diff changeset
152 /* Correction because MCI cannot read TOC while CD is playing (it'll stop!) */
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153 if (cdrom->status == CD_PLAYING || cdrom->status == CD_PAUSED) return 0;
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154
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parents:
diff changeset
155 /* Get Number of Tracks */
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diff changeset
156 msp.hwndCallback = (HWND)NULL; /* None */
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diff changeset
157 msp.ulReturn = (ULONG)NULL; /* We want this information */
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158 msp.ulItem = MCI_STATUS_NUMBER_OF_TRACKS;
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diff changeset
159 msp.ulValue = (ULONG)NULL; /* No additional information */
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diff changeset
160 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_STATUS,MCI_WAIT | MCI_STATUS_ITEM,&msp, 0)) != MCIERR_SUCCESS) return(CD_ERROR);
173c063d4f55 OS/2 port!
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diff changeset
161 cdrom->numtracks = msp.ulReturn;
173c063d4f55 OS/2 port!
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parents:
diff changeset
162 if ( cdrom->numtracks > SDL_MAX_TRACKS )
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163 {
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164 cdrom->numtracks = SDL_MAX_TRACKS;
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165 }
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parents:
diff changeset
166 /* Alocate space for TOC data */
1336
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Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
167 mtr = (MCI_TOC_REC *)SDL_malloc(cdrom->numtracks*sizeof(MCI_TOC_REC));
1190
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168 if ( mtr == NULL )
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169 {
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diff changeset
170 SDL_OutOfMemory();
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diff changeset
171 return(-1);
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parents:
diff changeset
172 }
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
173 /* Get TOC from CD */
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
174 mtp.pBuf = mtr;
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
175 mtp.ulBufSize = cdrom->numtracks*sizeof(MCI_TOC_REC);
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Ryan C. Gordon <icculus@icculus.org>
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diff changeset
176 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_GETTOC,MCI_WAIT,&mtp, 0)) != MCIERR_SUCCESS)
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177 {
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178 SDL_OutOfMemory();
1336
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Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
179 SDL_free(mtr);
1190
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180 return(CD_ERROR);
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181 }
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diff changeset
182 /* Fill SDL Tracks Structure */
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parents:
diff changeset
183 for (i=0; i<cdrom->numtracks; i++)
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diff changeset
184 {
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parents:
diff changeset
185 /* Set Track ID */
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diff changeset
186 cdrom->track[i].id = (mtr+i)->TrackNum;
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parents:
diff changeset
187 /* Set Track Type */
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diff changeset
188 msp.hwndCallback = (HWND)NULL; /* None */
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diff changeset
189 msp.ulReturn = (ULONG)NULL; /* We want this information */
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diff changeset
190 msp.ulItem = MCI_CD_STATUS_TRACK_TYPE;
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diff changeset
191 msp.ulValue = (ULONG)((mtr+i)->TrackNum); /* Track Number? */
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diff changeset
192 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_STATUS,MCI_WAIT | MCI_TRACK | MCI_STATUS_ITEM,&msp, 0)) != MCIERR_SUCCESS)
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diff changeset
193 {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1312
diff changeset
194 SDL_free(mtr);
1190
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diff changeset
195 return (CD_ERROR);
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diff changeset
196 }
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diff changeset
197 if (msp.ulReturn==MCI_CD_TRACK_AUDIO) cdrom->track[i].type = SDL_AUDIO_TRACK;
173c063d4f55 OS/2 port!
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198 else cdrom->track[i].type = SDL_DATA_TRACK;
173c063d4f55 OS/2 port!
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diff changeset
199 /* Set Track Length - values from MCI are in MMTIMEs - 3000 MMTIME = 1 second */
173c063d4f55 OS/2 port!
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diff changeset
200 cdrom->track[i].length = FRAMESFROMMM((mtr+i)->ulEndAddr - (mtr+i)->ulStartAddr);
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diff changeset
201 /* Set Track Offset */
173c063d4f55 OS/2 port!
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diff changeset
202 cdrom->track[i].offset = FRAMESFROMMM((mtr+i)->ulStartAddr);
173c063d4f55 OS/2 port!
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diff changeset
203 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
204 SDL_free(mtr);
1190
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diff changeset
205 return(0);
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parents:
diff changeset
206 }
173c063d4f55 OS/2 port!
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diff changeset
207
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diff changeset
208
173c063d4f55 OS/2 port!
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diff changeset
209 /* Get CD-ROM status - Ready for MCI */
173c063d4f55 OS/2 port!
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diff changeset
210 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
173c063d4f55 OS/2 port!
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diff changeset
211 {
173c063d4f55 OS/2 port!
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parents:
diff changeset
212 CDstatus status;
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diff changeset
213 MCI_STATUS_PARMS msp;
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diff changeset
214
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diff changeset
215 /* Get Status from MCI */
173c063d4f55 OS/2 port!
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diff changeset
216 msp.hwndCallback = (HWND)NULL; /* None */
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diff changeset
217 msp.ulReturn = (ULONG)NULL; /* We want this information */
173c063d4f55 OS/2 port!
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diff changeset
218 msp.ulItem = MCI_STATUS_MODE;
173c063d4f55 OS/2 port!
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diff changeset
219 msp.ulValue = (ULONG)NULL; /* No additional information */
173c063d4f55 OS/2 port!
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diff changeset
220 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_STATUS,MCI_WAIT | MCI_STATUS_ITEM,&msp, 0)) != MCIERR_SUCCESS) status = CD_ERROR;
173c063d4f55 OS/2 port!
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221 else
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diff changeset
222 {
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diff changeset
223 switch(msp.ulReturn)
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diff changeset
224 {
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diff changeset
225 case MCI_MODE_NOT_READY:
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diff changeset
226 status = CD_TRAYEMPTY;
173c063d4f55 OS/2 port!
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parents:
diff changeset
227 break;
173c063d4f55 OS/2 port!
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parents:
diff changeset
228 case MCI_MODE_PAUSE:
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diff changeset
229 status = CD_PAUSED;
173c063d4f55 OS/2 port!
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parents:
diff changeset
230 break;
173c063d4f55 OS/2 port!
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diff changeset
231 case MCI_MODE_PLAY:
173c063d4f55 OS/2 port!
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diff changeset
232 status = CD_PLAYING;
173c063d4f55 OS/2 port!
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parents:
diff changeset
233 break;
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
234 case MCI_MODE_STOP:
173c063d4f55 OS/2 port!
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parents:
diff changeset
235 status = CD_STOPPED;
173c063d4f55 OS/2 port!
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parents:
diff changeset
236 break;
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
237 /* These cases should not occour */
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
238 case MCI_MODE_RECORD:
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
239 case MCI_MODE_SEEK:
173c063d4f55 OS/2 port!
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parents:
diff changeset
240 default:
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
241 status = CD_ERROR;
173c063d4f55 OS/2 port!
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parents:
diff changeset
242 break;
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
243 }
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
244 }
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
245
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
246 /* Determine position */
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
247 if (position != NULL) /* The SDL $&$&%# CDROM call sends NULL pointer here! */
173c063d4f55 OS/2 port!
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parents:
diff changeset
248 {
173c063d4f55 OS/2 port!
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parents:
diff changeset
249 if ((status == CD_PLAYING) || (status == CD_PAUSED))
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
250 {
173c063d4f55 OS/2 port!
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parents:
diff changeset
251 /* Get Position */
173c063d4f55 OS/2 port!
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parents:
diff changeset
252 msp.hwndCallback = (HWND)NULL; /* None */
173c063d4f55 OS/2 port!
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parents:
diff changeset
253 msp.ulReturn = (ULONG)NULL; /* We want this information */
173c063d4f55 OS/2 port!
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parents:
diff changeset
254 msp.ulItem = MCI_STATUS_POSITION;
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
255 msp.ulValue = (ULONG)NULL; /* No additiona info */
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
256 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_STATUS,MCI_WAIT | MCI_STATUS_ITEM,&msp, 0)) != MCIERR_SUCCESS) return (CD_ERROR);
173c063d4f55 OS/2 port!
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parents:
diff changeset
257 /* Convert from MSF (format selected in the Open process) to Frames (format that will be returned) */
173c063d4f55 OS/2 port!
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parents:
diff changeset
258 *position = MSF_TO_FRAMES(MSF_MINUTE(msp.ulReturn),MSF_SECOND(msp.ulReturn),MSF_FRAME(msp.ulReturn));
173c063d4f55 OS/2 port!
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parents:
diff changeset
259 }
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
260 else *position = 0;
173c063d4f55 OS/2 port!
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parents:
diff changeset
261 }
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
262 return(status);
173c063d4f55 OS/2 port!
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parents:
diff changeset
263 }
173c063d4f55 OS/2 port!
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parents:
diff changeset
264
173c063d4f55 OS/2 port!
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parents:
diff changeset
265 /* Start play - Ready for MCI */
173c063d4f55 OS/2 port!
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parents:
diff changeset
266 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
173c063d4f55 OS/2 port!
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parents:
diff changeset
267 {
173c063d4f55 OS/2 port!
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diff changeset
268 MCI_GENERIC_PARMS mgp;
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parents:
diff changeset
269 MCI_STATUS_PARMS msp;
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parents:
diff changeset
270 MCI_PLAY_PARMS mpp;
173c063d4f55 OS/2 port!
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parents:
diff changeset
271 ULONG min,sec,frm;
173c063d4f55 OS/2 port!
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parents:
diff changeset
272
173c063d4f55 OS/2 port!
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parents:
diff changeset
273 /* Start MSF */
173c063d4f55 OS/2 port!
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parents:
diff changeset
274 FRAMES_TO_MSF(start, &min, &sec, &frm);
173c063d4f55 OS/2 port!
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parents:
diff changeset
275 MSF_MINUTE(mpp.ulFrom) = min;
173c063d4f55 OS/2 port!
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parents:
diff changeset
276 MSF_SECOND(mpp.ulFrom) = sec;
173c063d4f55 OS/2 port!
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parents:
diff changeset
277 MSF_FRAME(mpp.ulFrom) = frm;
173c063d4f55 OS/2 port!
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parents:
diff changeset
278 /* End MSF */
173c063d4f55 OS/2 port!
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parents:
diff changeset
279 FRAMES_TO_MSF(start+length, &min, &sec, &frm);
173c063d4f55 OS/2 port!
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parents:
diff changeset
280 MSF_MINUTE(mpp.ulTo) = min;
173c063d4f55 OS/2 port!
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parents:
diff changeset
281 MSF_SECOND(mpp.ulTo) = sec;
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
282 MSF_FRAME(mpp.ulTo) = frm;
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
283 #ifdef DEBUG_CDROM
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
284 fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n",
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
285 playtime.cdmsf_min0, playtime.cdmsf_sec0, playtime.cdmsf_frame0,
173c063d4f55 OS/2 port!
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parents:
diff changeset
286 playtime.cdmsf_min1, playtime.cdmsf_sec1, playtime.cdmsf_frame1);
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
287 #endif
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
288 /* Verifies if it is paused first... and if it is, unpause before stopping it. */
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
289 msp.hwndCallback = (HWND)NULL; /* None */
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
290 msp.ulReturn = (ULONG)NULL; /* We want this information */
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
291 msp.ulItem = MCI_STATUS_MODE;
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
292 msp.ulValue = (ULONG)NULL; /* No additional information */
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
293 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_STATUS,MCI_WAIT | MCI_STATUS_ITEM,&msp, 0)) == MCIERR_SUCCESS)
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
294 {
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
295 if (msp.ulReturn == MCI_MODE_PAUSE)
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
296 {
173c063d4f55 OS/2 port!
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parents:
diff changeset
297 mgp.hwndCallback = (HWND)NULL; // None
1442
e3242177fe4a Updated OS/2 build, yay!
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
298 mciSendCommand(cdrom->id,MCI_RESUME,0,&mgp, 0);
1190
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
299 }
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300 }
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301 /* Now play it. */
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302 mpp.hwndCallback = (HWND)NULL; // We do not want the info. temp
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303 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_PLAY,MCI_FROM | MCI_TO,&mpp, 0)) == MCIERR_SUCCESS) return 0;
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304 return (CD_ERROR);
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305 }
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306
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307 /* Pause play - Ready for MCI */
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308 static int SDL_SYS_CDPause(SDL_CD *cdrom)
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309 {
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310 MCI_GENERIC_PARMS mgp;
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311
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312 mgp.hwndCallback = (HWND)NULL; // None
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313 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_PAUSE,MCI_WAIT,&mgp, 0)) == MCIERR_SUCCESS) return 0;
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314 return(CD_ERROR);
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315 }
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316
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317 /* Resume play - Ready for MCI */
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318 static int SDL_SYS_CDResume(SDL_CD *cdrom)
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319 {
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320 MCI_GENERIC_PARMS mgp;
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321
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322 mgp.hwndCallback = (HWND)NULL; // None
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323 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_RESUME,MCI_WAIT,&mgp, 0)) == MCIERR_SUCCESS) return 0;
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324 return(CD_ERROR);
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325 }
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326
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327 /* Stop play - Ready for MCI */
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328 static int SDL_SYS_CDStop(SDL_CD *cdrom)
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329 {
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330 MCI_GENERIC_PARMS mgp;
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331 MCI_STATUS_PARMS msp;
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332
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333 /* Verifies if it is paused first... and if it is, unpause before stopping it. */
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334 msp.hwndCallback = (HWND)NULL; /* None */
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335 msp.ulReturn = (ULONG)NULL; /* We want this information */
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336 msp.ulItem = MCI_STATUS_MODE;
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337 msp.ulValue = (ULONG)NULL; /* No additional information */
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338 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_STATUS,MCI_WAIT | MCI_STATUS_ITEM,&msp, 0)) == MCIERR_SUCCESS)
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339 {
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340 if (msp.ulReturn == MCI_MODE_PAUSE)
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341 {
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342 mgp.hwndCallback = (HWND)NULL; // None
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343 mciSendCommand(cdrom->id,MCI_RESUME,0,&mgp, 0);
1190
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344 }
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345 }
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346 /* Now stops the media */
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347 mgp.hwndCallback = (HWND)NULL; // None
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348 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_STOP,MCI_WAIT,&mgp, 0)) == MCIERR_SUCCESS) return 0;
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349 return(CD_ERROR);
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350 }
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351
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352 /* Eject the CD-ROM - Ready for MCI */
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353 static int SDL_SYS_CDEject(SDL_CD *cdrom)
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354 {
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355 MCI_SET_PARMS msp;
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356
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357 msp.hwndCallback = (HWND)NULL; // None
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358 msp.ulTimeFormat = (ULONG)NULL; // No change
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359 msp.ulSpeedFormat = (ULONG)NULL; // No change
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360 msp.ulAudio = (ULONG)NULL; // No Channel
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361 msp.ulLevel = (ULONG)NULL; // No Volume
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362 msp.ulOver = (ULONG)NULL; // No Delay
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363 msp.ulItem = (ULONG)NULL; // No item
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364 msp.ulValue = (ULONG)NULL; // No value for item flag
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365 if (LOUSHORT(mciSendCommand(cdrom->id,MCI_SET,MCI_WAIT | MCI_SET_DOOR_OPEN,&msp, 0)) == MCIERR_SUCCESS) return 0;
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366 return(CD_ERROR);
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367 }
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368
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369 /* Close the CD-ROM handle - Ready for MCI */
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370 static void SDL_SYS_CDClose(SDL_CD *cdrom)
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371 {
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372 MCI_GENERIC_PARMS mgp;
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373
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374 mgp.hwndCallback = (HWND)NULL; // None
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375 mciSendCommand(cdrom->id,MCI_CLOSE,MCI_WAIT,&mgp, 0);
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376 }
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377
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378 /* Finalize CDROM Subsystem - Ready for MCI */
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379 void SDL_SYS_CDQuit(void)
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380 {
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381 int i;
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382
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383 if ( SDL_numcds > 0 )
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384 {
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385 for ( i=0; i<SDL_numcds; ++i )
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386 {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
387 SDL_free(SDL_cdlist[i]);
1190
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388 }
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389 SDL_numcds = 0;
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390 }
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391 }
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392
1635
92947e3a18db Make sure code is only compiled if the appropriate subsystem is enabled
Sam Lantinga <slouken@libsdl.org>
parents: 1442
diff changeset
393 #endif /* SDL_CDROM_OS2 */