Mercurial > sdl-ios-xcode

annotate src/cdrom/osf/SDL_syscdrom.c @ 2346:51d29d16dfd9 gsoc2008_iphone

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author Holmes Futrell <hfutrell@umail.ucsb.edu>
date Fri, 11 Jul 2008 00:41:34 +0000
parents c121d94672cb
children e27bdcc80744
rev   line source
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1 /*
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2 Tru64 audio module for SDL (Simple DirectMedia Layer)
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3 Copyright (C) 2003
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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
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20 */
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21 #include "SDL_config.h"
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22
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23 #ifdef SDL_CDROM_OSF
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24
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25 /* Functions for system-level CD-ROM audio control */
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26
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27 /* #define DEBUG_CDROM 1 */
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28
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29 #include <sys/types.h>
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30 #include <dirent.h>
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31 #include <sys/stat.h>
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32 #include <fcntl.h>
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33 #include <io/cam/cdrom.h>
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34 #include <io/cam/rzdisk.h>
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35 #include <io/common/devgetinfo.h>
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36
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37 #include "SDL_cdrom.h"
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38 #include "../SDL_syscdrom.h"
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39
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40 /* The maximum number of CD-ROM drives we'll detect */
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41 #define MAX_DRIVES 16
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42
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43 /* A list of available CD-ROM drives */
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44 static char *SDL_cdlist[MAX_DRIVES];
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45 static dev_t SDL_cdmode[MAX_DRIVES];
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46
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47 /* The system-dependent CD control functions */
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48 static const char *SDL_SYS_CDName(int drive);
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49 static int SDL_SYS_CDOpen(int drive);
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50 static int SDL_SYS_CDGetTOC(SDL_CD * cdrom);
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51 static CDstatus SDL_SYS_CDStatus(SDL_CD * cdrom, int *position);
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52 static int SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length);
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53 static int SDL_SYS_CDPause(SDL_CD * cdrom);
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54 static int SDL_SYS_CDResume(SDL_CD * cdrom);
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55 static int SDL_SYS_CDStop(SDL_CD * cdrom);
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56 static int SDL_SYS_CDEject(SDL_CD * cdrom);
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57 static void SDL_SYS_CDClose(SDL_CD * cdrom);
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58
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59 /* Check a drive to see if it is a CD-ROM */
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60 /* Caution!! Not tested. */
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61 static int
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62 CheckDrive(char *drive, struct stat *stbuf)
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63 {
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64 int cdfd, is_cd = 0;
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65 struct mode_sel_sns_params msp;
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66 struct inquiry_info inq;
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67
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68 #ifdef DEBUG_CDROM
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69 char *devtype[] = { "Disk", "Tape", "Printer", "Processor", "WORM",
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70 "CD-ROM", "Scanner", "Optical", "Changer", "Comm", "Unknown"
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71 };
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72 #endif
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73
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74 bzero(&msp, sizeof(msp));
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75 bzero(&inq, sizeof(inq));
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76
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77 /* If it doesn't exist, return -1 */
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78 if (stat(drive, stbuf) < 0) {
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79 return (-1);
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80 }
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81
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82 if ((cdfd = open(drive, (O_RDWR | O_NDELAY), 0)) >= 0) {
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83 msp.msp_addr = (caddr_t) & inq;
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84 msp.msp_pgcode = 0;
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85 msp.msp_pgctrl = 0;
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86 msp.msp_length = sizeof(inq);
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87 msp.msp_setps = 0;
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88
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89 if (ioctl(cdfd, SCSI_GET_INQUIRY_DATA, &msp))
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90 return (0);
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91
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92 #ifdef DEBUG_CDROM
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93 fprintf(stderr, "Device Type: %s\n", devtype[inq.perfdt]);
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94 fprintf(stderr, "Vendor: %.8s\n", inq.vndrid);
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95 fprintf(stderr, "Product: %.8s\n", inq.prodid);
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96 fprintf(stderr, "Revision: %.8s\n", inq.revlvl);
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97 #endif
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98 if (inq.perfdt == DTYPE_RODIRECT)
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99 is_cd = 1;
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100 }
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101
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102 return (is_cd);
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103 }
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104
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105 /* Add a CD-ROM drive to our list of valid drives */
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106 static void
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107 AddDrive(char *drive, struct stat *stbuf)
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108 {
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109 int i;
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110
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111 if (SDL_numcds < MAX_DRIVES) {
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112 /* Check to make sure it's not already in our list.
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113 * This can happen when we see a drive via symbolic link.
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114 *
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115 */
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116 for (i = 0; i < SDL_numcds; ++i) {
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117 if (stbuf->st_rdev == SDL_cdmode[i]) {
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118 #ifdef DEBUG_CDROM
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119 fprintf(stderr, "Duplicate drive detected: %s == %s\n",
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120 drive, SDL_cdlist[i]);
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121 #endif
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122 return;
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123 }
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124 }
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125
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126 /* Add this drive to our list */
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127 i = SDL_numcds;
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128 SDL_cdlist[i] = SDL_strdup(drive);
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129 if (SDL_cdlist[i] == NULL) {
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130 SDL_OutOfMemory();
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131 return;
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132 }
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133 SDL_cdmode[i] = stbuf->st_rdev;
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134 ++SDL_numcds;
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135 #ifdef DEBUG_CDROM
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136 fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
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137 #endif
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138 }
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139 }
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140
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141 int
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142 SDL_SYS_CDInit(void)
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143 {
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144 /* checklist:
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145 *
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146 * Tru64 5.X (/dev/rdisk/cdrom?c)
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147 * dir: /dev/rdisk, name: cdrom
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148 *
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149 * Digital UNIX 4.0X (/dev/rrz?c)
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150 * dir: /dev, name: rrz
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151 *
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152 */
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153 struct
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154 {
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155 char *dir;
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156 char *name;
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157 } checklist[] = {
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158 {
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159 "/dev/rdisk", "cdrom"}, {
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160 "/dev", "rrz"}, {
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161 NULL, NULL}};
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162 char drive[32];
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163 char *SDLcdrom;
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164 int i, j, exists;
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165 struct stat stbuf;
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166
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167 /* Fill in our driver capabilities */
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168 SDL_CDcaps.Name = SDL_SYS_CDName;
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169 SDL_CDcaps.Open = SDL_SYS_CDOpen;
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170 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
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171 SDL_CDcaps.Status = SDL_SYS_CDStatus;
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172 SDL_CDcaps.Play = SDL_SYS_CDPlay;
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173 SDL_CDcaps.Pause = SDL_SYS_CDPause;
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174 SDL_CDcaps.Resume = SDL_SYS_CDResume;
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175 SDL_CDcaps.Stop = SDL_SYS_CDStop;
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176 SDL_CDcaps.Eject = SDL_SYS_CDEject;
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177 SDL_CDcaps.Close = SDL_SYS_CDClose;
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178
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179
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180 /* Look in the environment for our CD-ROM drive list */
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181 SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */
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182 if (SDLcdrom != NULL) {
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183 char *cdpath, *delim;
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184 size_t len = SDL_strlen(SDLcdrom) + 1;
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185 cdpath = SDL_stack_alloc(char, len);
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186 if (cdpath != NULL) {
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187 SDL_strlcpy(cdpath, SDLcdrom, len);
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188 SDLcdrom = cdpath;
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189 do {
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190 delim = SDL_strchr(SDLcdrom, ':');
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191 if (delim) {
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192 *delim++ = '\0';
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193 }
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194 if (CheckDrive(SDLcdrom, &stbuf) > 0) {
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195 AddDrive(SDLcdrom, &stbuf);
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196 }
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197 if (delim) {
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198 SDLcdrom = delim;
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199 } else {
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200 SDLcdrom = NULL;
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201 }
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202 }
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203 while (SDLcdrom);
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204 SDL_stack_free(cdpath);
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205 }
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206
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207 /* If we found our drives, there's nothing left to do */
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208 if (SDL_numcds > 0) {
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209 return (0);
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210 }
654
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211 }
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212 /* Scan the system for CD-ROM drives */
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213 for (i = 0; checklist[i].dir; ++i) {
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214 DIR *devdir;
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215 struct dirent *devent;
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216 int name_len;
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217
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218 devdir = opendir(checklist[i].dir);
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219 if (devdir) {
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220 name_len = SDL_strlen(checklist[i].name);
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221 while (devent = readdir(devdir))
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222 if (SDL_memcmp
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223 (checklist[i].name, devent->d_name, name_len) == 0)
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224 if (devent->d_name[devent->d_namlen - 1] == 'c') {
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225 SDL_snprintf(drive, SDL_arraysize(drive),
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226 "%s/%s", checklist[i].dir,
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diff changeset
227 devent->d_name);
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228 #ifdef DEBUG_CDROM
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229 fprintf(stderr, "Try to add drive: %s\n", drive);
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230 #endif
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231 if (CheckDrive(drive, &stbuf) > 0)
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232 AddDrive(drive, &stbuf);
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233 }
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234 closedir(devdir);
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diff changeset
235 } else {
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236 #ifdef DEBUG_CDROM
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237 fprintf(stderr, "cannot open dir: %s\n", checklist[i].dir);
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238 #endif
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239 }
654
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240 }
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parents:
diff changeset
241 return (0);
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parents:
diff changeset
242 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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parents:
diff changeset
243
1895
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diff changeset
244 static const char *
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diff changeset
245 SDL_SYS_CDName(int drive)
654
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246 {
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247 return (SDL_cdlist[drive]);
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248 }
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249
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250 static int
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251 SDL_SYS_CDOpen(int drive)
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252 {
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253 /* O_RDWR: To use ioctl(fd, SCSI_STOP_UNIT) */
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254 return (open(SDL_cdlist[drive], (O_RDWR | O_NDELAY), 0));
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255 }
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256
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257 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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258 SDL_SYS_CDGetTOC(SDL_CD * cdrom)
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259 {
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260 struct cd_toc toc;
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261 struct cd_toc_header hdr;
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262 struct cd_toc_entry *cdte;
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263 int i;
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264 int okay = 0;
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265 if (ioctl(cdrom->id, CDROM_TOC_HEADER, &hdr)) {
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266 fprintf(stderr, "ioctl error CDROM_TOC_HEADER\n");
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267 return -1;
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268 }
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269 cdrom->numtracks = hdr.th_ending_track - hdr.th_starting_track + 1;
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270 if (cdrom->numtracks > SDL_MAX_TRACKS) {
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271 cdrom->numtracks = SDL_MAX_TRACKS;
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272 }
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273 #ifdef DEBUG_CDROM
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274 fprintf(stderr, "hdr.th_data_len1 = %d\n", hdr.th_data_len1);
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275 fprintf(stderr, "hdr.th_data_len0 = %d\n", hdr.th_data_len0);
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276 fprintf(stderr, "hdr.th_starting_track = %d\n", hdr.th_starting_track);
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277 fprintf(stderr, "hdr.th_ending_track = %d\n", hdr.th_ending_track);
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278 fprintf(stderr, "cdrom->numtracks = %d\n", cdrom->numtracks);
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279 #endif
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280 toc.toc_address_format = CDROM_LBA_FORMAT;
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281 toc.toc_starting_track = 0;
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282 toc.toc_alloc_length = (hdr.th_data_len1 << 8) +
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283 hdr.th_data_len0 + sizeof(hdr);
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284 if ((toc.toc_buffer = alloca(toc.toc_alloc_length)) == NULL) {
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285 fprintf(stderr, "cannot allocate toc.toc_buffer\n");
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286 return -1;
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287 }
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288
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289 bzero(toc.toc_buffer, toc.toc_alloc_length);
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290 if (ioctl(cdrom->id, CDROM_TOC_ENTRYS, &toc)) {
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291 fprintf(stderr, "ioctl error CDROM_TOC_ENTRYS\n");
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292 return -1;
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293 }
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294
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295 cdte = (struct cd_toc_entry *) ((char *) toc.toc_buffer + sizeof(hdr));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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296 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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297 if (i == cdrom->numtracks) {
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298 cdrom->track[i].id = 0xAA;;
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299 } else {
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300 cdrom->track[i].id = hdr.th_starting_track + i;
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301 }
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302
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303 cdrom->track[i].type = cdte[i].te_control & CDROM_DATA_TRACK;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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304 cdrom->track[i].offset =
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305 cdte[i].te_absaddr.lba.addr3 << 24 |
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306 cdte[i].te_absaddr.lba.addr2 << 16 |
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307 cdte[i].te_absaddr.lba.addr1 << 8 | cdte[i].te_absaddr.lba.addr0;
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308 cdrom->track[i].length = 0;
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309 if (i > 0) {
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310 cdrom->track[i - 1].length =
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311 cdrom->track[i].offset - cdrom->track[i - 1].offset;
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312 }
873
89666943c598 Date: Sun, 07 Mar 2004 22:54:11 +0900
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313 }
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314 #ifdef DEBUG_CDROM
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315 for (i = 0; i <= cdrom->numtracks; i++) {
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316 fprintf(stderr, "toc_entry[%d].te_track_number = %d\n",
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317 i, cdte[i].te_track_number);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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318 fprintf(stderr, "cdrom->track[%d].id = %d\n", i, cdrom->track[i].id);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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319 fprintf(stderr, "cdrom->track[%d].type = %x\n", i,
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320 cdrom->track[i].type);
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321 fprintf(stderr, "cdrom->track[%d].offset = %d\n", i,
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322 cdrom->track[i].offset);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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323 fprintf(stderr, "cdrom->track[%d].length = %d\n", i,
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324 cdrom->track[i].length);
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325 }
654
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326 #endif
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327 if (i == (cdrom->numtracks + 1)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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328 okay = 1;
654
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329 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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diff changeset
330
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331 return (okay ? 0 : -1);
654
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diff changeset
332 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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diff changeset
333
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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334 /* Get CD-ROM status */
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335 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
336 SDL_SYS_CDStatus(SDL_CD * cdrom, int *position)
654
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diff changeset
337 {
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338 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
339 struct cd_sub_channel sc;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
340 struct cd_subc_channel_data scd;
654
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341
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
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diff changeset
342 sc.sch_address_format = CDROM_LBA_FORMAT;
1895
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343 sc.sch_data_format = CDROM_CURRENT_POSITION;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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344 sc.sch_track_number = 0;
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345 sc.sch_alloc_length = sizeof(scd);
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diff changeset
346 sc.sch_buffer = (caddr_t) & scd;
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diff changeset
347 if (ioctl(cdrom->id, CDROM_READ_SUBCHANNEL, &sc)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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348 status = 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
349 fprintf(stderr, "ioctl error CDROM_READ_SUBCHANNEL \n");
654
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350 } else {
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351 switch (scd.scd_header.sh_audio_status) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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352 case AS_AUDIO_INVALID:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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353 status = CD_STOPPED;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
354 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
355 case AS_PLAY_IN_PROGRESS:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
356 status = CD_PLAYING;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
357 break;
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diff changeset
358 case AS_PLAY_PAUSED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
359 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
360 break;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
361 case AS_PLAY_COMPLETED:
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
362 status = CD_STOPPED;
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
363 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
364 case AS_PLAY_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
365 status = 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
366 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
367 case AS_NO_STATUS:
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
368 status = CD_STOPPED;
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
369 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
370 default:
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
371 status = 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
372 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
373 }
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 #ifdef DEBUG_CDROM
1895
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
375 fprintf(stderr, "scd.scd_header.sh_audio_status = %x\n",
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
376 scd.scd_header.sh_audio_status);
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 #endif
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 if (position) {
1895
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
380 if (status == CD_PLAYING || (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
381 *position =
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
382 scd.scd_position_data.scp_absaddr.lba.addr3 << 24 |
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
383 scd.scd_position_data.scp_absaddr.lba.addr2 << 16 |
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
384 scd.scd_position_data.scp_absaddr.lba.addr1 << 8 |
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
385 scd.scd_position_data.scp_absaddr.lba.addr0;
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
386 } 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
387 *position = 0;
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
388 }
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 return status;
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 /* Start play */
1895
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
395 static int
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
396 SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 {
873
89666943c598 Date: Sun, 07 Mar 2004 22:54:11 +0900
Sam Lantinga <slouken@libsdl.org>
parents: 654
diff changeset
398 /*
89666943c598 Date: Sun, 07 Mar 2004 22:54:11 +0900
Sam Lantinga <slouken@libsdl.org>
parents: 654
diff changeset
399 * Play MSF
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 */
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 struct cd_play_audio_msf msf;
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 int end;
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 bzero(&msf, sizeof(msf));
1895
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
405 end = start + length;
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
406 FRAMES_TO_MSF(start + 150, /* LBA = 4500*M + 75*S + F - 150 */
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
407 &msf.msf_starting_M_unit,
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
408 &msf.msf_starting_S_unit, &msf.msf_starting_F_unit);
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
409 FRAMES_TO_MSF(end + 150, /* LBA = 4500*M + 75*S + F - 150 */
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
410 &msf.msf_ending_M_unit,
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
411 &msf.msf_ending_S_unit, &msf.msf_ending_F_unit);
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412
1895
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
413 return (ioctl(cdrom->id, CDROM_PLAY_AUDIO_MSF, &msf));
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 /* Pause play */
1895
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
417 static int
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
418 SDL_SYS_CDPause(SDL_CD * cdrom)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 {
1895
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
420 return (ioctl(cdrom->id, CDROM_PAUSE_PLAY));
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
422
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 /* Resume play */
1895
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
424 static int
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
425 SDL_SYS_CDResume(SDL_CD * cdrom)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 {
1895
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
427 return (ioctl(cdrom->id, CDROM_RESUME_PLAY));
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 /* Stop play */
1895
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
431 static int
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
432 SDL_SYS_CDStop(SDL_CD * cdrom)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433 {
1895
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
434 return (ioctl(cdrom->id, SCSI_STOP_UNIT));
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
437 /* Eject the CD-ROM */
1895
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
438 static int
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
439 SDL_SYS_CDEject(SDL_CD * cdrom)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 {
1895
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
441 return (ioctl(cdrom->id, CDROM_EJECT_CADDY));
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 /* Close the CD-ROM handle */
1895
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
445 static void
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
446 SDL_SYS_CDClose(SDL_CD * cdrom)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 {
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 close(cdrom->id);
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
450
1895
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
451 void
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
452 SDL_SYS_CDQuit(void)
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
453 {
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 int i;
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455
1895
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
456 if (SDL_numcds > 0) {
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
457 for (i = 0; i < SDL_numcds; ++i) {
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
458 SDL_free(SDL_cdlist[i]);
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
459 }
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
460 SDL_numcds = 0;
654
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462 }
e92bcf2573cb Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463
1635
92947e3a18db Make sure code is only compiled if the appropriate subsystem is enabled
Sam Lantinga <slouken@libsdl.org>
parents: 1438
diff changeset
464 #endif /* SDL_CDROM_OSF */
1895
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
465 /* vi: set ts=4 sw=4 expandtab: */