Mercurial > sdl-ios-xcode

annotate src/cdrom/macosx/AudioFileReaderThread.c @ 1723:4bdbb9b2bd0a SDL-1.3

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author Sam Lantinga <slouken@libsdl.org>
date Thu, 06 Jul 2006 05:53:32 +0000
parents 4da1ee79c9af
children
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, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21
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22 This file based on Apple sample code. We haven't changed the file name,
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23 so if you want to see the original search for it on apple.com/developer
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24 */
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25 #include "SDL_config.h"
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26
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27 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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28 AudioFileManager.cpp
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29 */
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30 #include "AudioFilePlayer.h"
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31 #include <mach/mach.h> /* used for setting policy of thread */
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32 #include "SDLOSXCAGuard.h"
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33 #include <pthread.h>
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34
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35 /*#include <list>*/
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36
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37 /*typedef void *FileData;*/
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38 typedef struct S_FileData
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39 {
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40 AudioFileManager *obj;
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41 struct S_FileData *next;
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42 } FileData;
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44
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45 typedef struct S_FileReaderThread
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46 {
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47 /*public:*/
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48 SDLOSXCAGuard *(*GetGuard) (struct S_FileReaderThread * frt);
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49 void (*AddReader) (struct S_FileReaderThread * frt);
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50 void (*RemoveReader) (struct S_FileReaderThread * frt,
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51 AudioFileManager * inItem);
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52 int (*TryNextRead) (struct S_FileReaderThread * frt,
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53 AudioFileManager * inItem);
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54
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55 int mThreadShouldDie;
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56
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57 /*private:*/
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58 /*typedef std::list<AudioFileManager*> FileData; */
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59
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60 SDLOSXCAGuard *mGuard;
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61 UInt32 mThreadPriority;
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62
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63 int mNumReaders;
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64 FileData *mFileData;
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65
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66
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67 void (*ReadNextChunk) (struct S_FileReaderThread * frt);
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68 int (*StartFixedPriorityThread) (struct S_FileReaderThread * frt);
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69 /*static */
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70 UInt32(*GetThreadBasePriority) (pthread_t inThread);
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71 /*static */
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72 void *(*DiskReaderEntry) (void *inRefCon);
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73 } FileReaderThread;
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74
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75
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76 static SDLOSXCAGuard *
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77 FileReaderThread_GetGuard(FileReaderThread * frt)
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78 {
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79 return frt->mGuard;
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80 }
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81
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82 /* returns 1 if succeeded */
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83 static int
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84 FileReaderThread_TryNextRead(FileReaderThread * frt,
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85 AudioFileManager * inItem)
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86 {
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87 int didLock = 0;
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88 int succeeded = 0;
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89 if (frt->mGuard->Try(frt->mGuard, &didLock)) {
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90 /*frt->mFileData.push_back (inItem); */
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91 /* !!! FIXME: this could be faster with a "tail" member. --ryan. */
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92 FileData *i = frt->mFileData;
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93 FileData *prev = NULL;
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94
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95 FileData *newfd = (FileData *) SDL_malloc(sizeof(FileData));
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96 newfd->obj = inItem;
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97 newfd->next = NULL;
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98
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99 while (i != NULL) {
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100 prev = i;
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101 i = i->next;
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102 }
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103 if (prev == NULL)
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104 frt->mFileData = newfd;
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105 else
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106 prev->next = newfd;
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107
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108 frt->mGuard->Notify(frt->mGuard);
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109 succeeded = 1;
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110
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111 if (didLock)
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112 frt->mGuard->Unlock(frt->mGuard);
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113 }
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114
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115 return succeeded;
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116 }
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117
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118 static void
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119 FileReaderThread_AddReader(FileReaderThread * frt)
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120 {
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121 if (frt->mNumReaders == 0) {
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122 frt->mThreadShouldDie = 0;
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123 frt->StartFixedPriorityThread(frt);
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124 }
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125 frt->mNumReaders++;
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126 }
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127
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128 static void
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129 FileReaderThread_RemoveReader(FileReaderThread * frt,
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130 AudioFileManager * inItem)
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131 {
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132 if (frt->mNumReaders > 0) {
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133 int bNeedsRelease = frt->mGuard->Lock(frt->mGuard);
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134
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135 /*frt->mFileData.remove (inItem); */
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136 FileData *i = frt->mFileData;
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137 FileData *prev = NULL;
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138 while (i != NULL) {
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139 FileData *next = i->next;
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140 if (i->obj != inItem)
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141 prev = i;
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142 else {
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143 if (prev == NULL)
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144 frt->mFileData = next;
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145 else
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146 prev->next = next;
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147 SDL_free(i);
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148 }
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149 i = next;
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150 }
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151
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152 if (--frt->mNumReaders == 0) {
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153 frt->mThreadShouldDie = 1;
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154 frt->mGuard->Notify(frt->mGuard); /* wake up thread so it will quit */
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155 frt->mGuard->Wait(frt->mGuard); /* wait for thread to die */
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156 }
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157
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158 if (bNeedsRelease)
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159 frt->mGuard->Unlock(frt->mGuard);
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160 }
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161 }
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162
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163 static int
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164 FileReaderThread_StartFixedPriorityThread(FileReaderThread * frt)
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165 {
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166 pthread_attr_t theThreadAttrs;
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167 pthread_t pThread;
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168
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169 OSStatus result = pthread_attr_init(&theThreadAttrs);
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170 if (result)
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171 return 0; /*THROW_RESULT("pthread_attr_init - Thread attributes could not be created.") */
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172
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173 result =
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174 pthread_attr_setdetachstate(&theThreadAttrs, PTHREAD_CREATE_DETACHED);
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175 if (result)
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176 return 0; /*THROW_RESULT("pthread_attr_setdetachstate - Thread attributes could not be detached.") */
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177
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178 result =
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179 pthread_create(&pThread, &theThreadAttrs, frt->DiskReaderEntry, frt);
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180 if (result)
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181 return 0; /*THROW_RESULT("pthread_create - Create and start the thread.") */
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182
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183 pthread_attr_destroy(&theThreadAttrs);
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184
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185 /* we've now created the thread and started it
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186 we'll now set the priority of the thread to the nominated priority
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187 and we'll also make the thread fixed */
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188 thread_extended_policy_data_t theFixedPolicy;
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189 thread_precedence_policy_data_t thePrecedencePolicy;
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190 SInt32 relativePriority;
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191
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192 /* make thread fixed */
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193 theFixedPolicy.timeshare = 0; /* set to 1 for a non-fixed thread */
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194 result =
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195 thread_policy_set(pthread_mach_thread_np(pThread),
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196 THREAD_EXTENDED_POLICY,
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197 (thread_policy_t) & theFixedPolicy,
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198 THREAD_EXTENDED_POLICY_COUNT);
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199 if (result)
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200 return 0; /*THROW_RESULT("thread_policy - Couldn't set thread as fixed priority.") */
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201 /* set priority */
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202 /* precedency policy's "importance" value is relative to spawning thread's priority */
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203 relativePriority =
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204 frt->mThreadPriority - frt->GetThreadBasePriority(pthread_self());
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205
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206 thePrecedencePolicy.importance = relativePriority;
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207 result =
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208 thread_policy_set(pthread_mach_thread_np(pThread),
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209 THREAD_PRECEDENCE_POLICY,
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210 (thread_policy_t) & thePrecedencePolicy,
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211 THREAD_PRECEDENCE_POLICY_COUNT);
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212 if (result)
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213 return 0; /*THROW_RESULT("thread_policy - Couldn't set thread priority.") */
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214
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215 return 1;
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216 }
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217
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218 static UInt32
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219 FileReaderThread_GetThreadBasePriority(pthread_t inThread)
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220 {
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221 thread_basic_info_data_t threadInfo;
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222 policy_info_data_t thePolicyInfo;
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223 unsigned int count;
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224
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225 /* get basic info */
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226 count = THREAD_BASIC_INFO_COUNT;
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227 thread_info(pthread_mach_thread_np(inThread), THREAD_BASIC_INFO,
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228 (integer_t *) & threadInfo, &count);
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229
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230 switch (threadInfo.policy) {
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231 case POLICY_TIMESHARE:
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232 count = POLICY_TIMESHARE_INFO_COUNT;
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233 thread_info(pthread_mach_thread_np(inThread),
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234 THREAD_SCHED_TIMESHARE_INFO,
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235 (integer_t *) & (thePolicyInfo.ts), &count);
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236 return thePolicyInfo.ts.base_priority;
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237 break;
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238
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239 case POLICY_FIFO:
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240 count = POLICY_FIFO_INFO_COUNT;
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241 thread_info(pthread_mach_thread_np(inThread),
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242 THREAD_SCHED_FIFO_INFO,
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243 (integer_t *) & (thePolicyInfo.fifo), &count);
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244 if (thePolicyInfo.fifo.depressed) {
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245 return thePolicyInfo.fifo.depress_priority;
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246 } else {
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247 return thePolicyInfo.fifo.base_priority;
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248 }
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249 break;
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250
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251 case POLICY_RR:
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252 count = POLICY_RR_INFO_COUNT;
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253 thread_info(pthread_mach_thread_np(inThread),
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254 THREAD_SCHED_RR_INFO,
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255 (integer_t *) & (thePolicyInfo.rr), &count);
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256 if (thePolicyInfo.rr.depressed) {
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257 return thePolicyInfo.rr.depress_priority;
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258 } else {
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259 return thePolicyInfo.rr.base_priority;
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260 }
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261 break;
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262 }
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263
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264 return 0;
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265 }
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266
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267 static void *
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268 FileReaderThread_DiskReaderEntry(void *inRefCon)
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269 {
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270 FileReaderThread *frt = (FileReaderThread *) inRefCon;
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271 frt->ReadNextChunk(frt);
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272 #if DEBUG
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273 printf("finished with reading file\n");
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274 #endif
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275
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276 return 0;
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277 }
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278
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279 static void
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280 FileReaderThread_ReadNextChunk(FileReaderThread * frt)
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281 {
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282 OSStatus result;
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283 UInt32 dataChunkSize;
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284 AudioFileManager *theItem = 0;
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285
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286 for (;;) {
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287 { /* this is a scoped based lock */
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288 int bNeedsRelease = frt->mGuard->Lock(frt->mGuard);
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289
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290 if (frt->mThreadShouldDie) {
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291 frt->mGuard->Notify(frt->mGuard);
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292 if (bNeedsRelease)
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293 frt->mGuard->Unlock(frt->mGuard);
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294 return;
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295 }
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296
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297 /*if (frt->mFileData.empty()) */
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298 if (frt->mFileData == NULL) {
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299 frt->mGuard->Wait(frt->mGuard);
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300 }
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301
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302 /* kill thread */
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303 if (frt->mThreadShouldDie) {
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304
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305 frt->mGuard->Notify(frt->mGuard);
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306 if (bNeedsRelease)
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307 frt->mGuard->Unlock(frt->mGuard);
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308 return;
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309 }
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310
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311 /*theItem = frt->mFileData.front(); */
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312 /*frt->mFileData.pop_front(); */
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313 theItem = NULL;
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314 if (frt->mFileData != NULL) {
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diff changeset
315 FileData *next = frt->mFileData->next;
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316 theItem = frt->mFileData->obj;
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317 SDL_free(frt->mFileData);
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diff changeset
318 frt->mFileData = next;
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diff changeset
319 }
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diff changeset
320
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diff changeset
321 if (bNeedsRelease)
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322 frt->mGuard->Unlock(frt->mGuard);
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323 }
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diff changeset
324
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diff changeset
325 if ((theItem->mFileLength - theItem->mReadFilePosition) <
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diff changeset
326 theItem->mChunkSize)
1143
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diff changeset
327 dataChunkSize = theItem->mFileLength - theItem->mReadFilePosition;
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diff changeset
328 else
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diff changeset
329 dataChunkSize = theItem->mChunkSize;
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diff changeset
330
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diff changeset
331 /* this is the exit condition for the thread */
1143
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diff changeset
332 if (dataChunkSize <= 0) {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
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diff changeset
333 theItem->mFinishedReadingData = 1;
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diff changeset
334 continue;
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diff changeset
335 }
1662
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diff changeset
336 /* construct pointer */
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diff changeset
337 char *writePtr = (char *) (theItem->GetFileBuffer(theItem) +
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
338 (theItem->
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diff changeset
339 mWriteToFirstBuffer ? 0 : theItem->
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diff changeset
340 mChunkSize));
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diff changeset
341
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diff changeset
342 /* read data */
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diff changeset
343 result = theItem->Read(theItem, writePtr, &dataChunkSize);
1143
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diff changeset
344 if (result != noErr && result != eofErr) {
1662
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diff changeset
345 AudioFilePlayer *afp =
1668
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346 (AudioFilePlayer *) theItem->GetParent(theItem);
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diff changeset
347 afp->DoNotification(afp, result);
1143
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diff changeset
348 continue;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
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diff changeset
349 }
1662
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diff changeset
350
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
351 if (dataChunkSize != theItem->mChunkSize) {
1143
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diff changeset
352 writePtr += dataChunkSize;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
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diff changeset
353
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diff changeset
354 /* can't exit yet.. we still have to pass the partial buffer back */
1668
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355 SDL_memset(writePtr, 0, (theItem->mChunkSize - dataChunkSize));
1143
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diff changeset
356 }
1662
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diff changeset
357
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diff changeset
358 theItem->mWriteToFirstBuffer = !theItem->mWriteToFirstBuffer; /* switch buffers */
1662
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359
1143
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diff changeset
360 if (result == eofErr)
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
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diff changeset
361 theItem->mReadFilePosition = theItem->mFileLength;
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parents:
diff changeset
362 else
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
363 theItem->mReadFilePosition += dataChunkSize; /* increment count */
1143
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diff changeset
364 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
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diff changeset
365 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
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parents:
diff changeset
366
1662
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diff changeset
367 void
1668
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diff changeset
368 delete_FileReaderThread(FileReaderThread * frt)
1143
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diff changeset
369 {
1662
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diff changeset
370 if (frt != NULL) {
1668
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diff changeset
371 delete_SDLOSXCAGuard(frt->mGuard);
4da1ee79c9af more tweaking indent options
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diff changeset
372 SDL_free(frt);
1143
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
373 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
374 }
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
375
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parents: 1487
diff changeset
376 FileReaderThread *
1668
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diff changeset
377 new_FileReaderThread()
1143
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
378 {
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
379 FileReaderThread *frt =
1668
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diff changeset
380 (FileReaderThread *) SDL_malloc(sizeof(FileReaderThread));
1143
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
381 if (frt == NULL)
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
382 return NULL;
1668
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diff changeset
383 SDL_memset(frt, '\0', sizeof(*frt));
1143
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
384
1668
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parents: 1662
diff changeset
385 frt->mGuard = new_SDLOSXCAGuard();
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
386 if (frt->mGuard == NULL) {
1668
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diff changeset
387 SDL_free(frt);
1143
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
388 return NULL;
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
389 }
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Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
390 #define SET_FILEREADERTHREAD_METHOD(m) frt->m = FileReaderThread_##m
1668
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diff changeset
391 SET_FILEREADERTHREAD_METHOD(GetGuard);
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diff changeset
392 SET_FILEREADERTHREAD_METHOD(AddReader);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
393 SET_FILEREADERTHREAD_METHOD(RemoveReader);
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diff changeset
394 SET_FILEREADERTHREAD_METHOD(TryNextRead);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
395 SET_FILEREADERTHREAD_METHOD(ReadNextChunk);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
396 SET_FILEREADERTHREAD_METHOD(StartFixedPriorityThread);
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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diff changeset
397 SET_FILEREADERTHREAD_METHOD(GetThreadBasePriority);
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
398 SET_FILEREADERTHREAD_METHOD(DiskReaderEntry);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
399 #undef SET_FILEREADERTHREAD_METHOD
1143
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
400
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
401 frt->mThreadPriority = 62;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
402 return frt;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
403 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
404
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
405
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
406 static FileReaderThread *sReaderThread;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
407
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
408
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
409 static int
1668
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parents: 1662
diff changeset
410 AudioFileManager_DoConnect(AudioFileManager * afm)
1143
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
411 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
412 if (!afm->mIsEngaged) {
1487
dc6b59e925a2 Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
413 OSStatus result;
dc6b59e925a2 Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
414
1662
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Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
415 /*afm->mReadFilePosition = 0; */
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
416 afm->mFinishedReadingData = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
417
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
418 afm->mNumTimesAskedSinceFinished = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
419 afm->mLockUnsuccessful = 0;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
420
1143
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
421 UInt32 dataChunkSize;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
422
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
423 if ((afm->mFileLength - afm->mReadFilePosition) < afm->mChunkSize)
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
424 dataChunkSize = afm->mFileLength - afm->mReadFilePosition;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
425 else
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
426 dataChunkSize = afm->mChunkSize;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
427
1668
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Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
428 result = afm->Read(afm, afm->mFileBuffer, &dataChunkSize);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
429 if (result)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
430 return 0; /*THROW_RESULT("AudioFileManager::DoConnect(): Read") */
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
431
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
432 afm->mReadFilePosition += dataChunkSize;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
433
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
434 afm->mWriteToFirstBuffer = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
435 afm->mReadFromFirstBuffer = 1;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
436
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
437 sReaderThread->AddReader(sReaderThread);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
438
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
439 afm->mIsEngaged = 1;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
440 }
1487
dc6b59e925a2 Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
441 /*
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
442 else
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
443 throw static_cast<OSStatus>(-1); *//* thread has already been started */
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
444
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
445 return 1;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
446 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
447
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
448 static void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
449 AudioFileManager_Disconnect(AudioFileManager * afm)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
450 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
451 if (afm->mIsEngaged) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
452 sReaderThread->RemoveReader(sReaderThread, afm);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
453 afm->mIsEngaged = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
454 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
455 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
456
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
457 static OSStatus
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
458 AudioFileManager_Read(AudioFileManager * afm, char *buffer, UInt32 * len)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
459 {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
460 return FSReadFork(afm->mForkRefNum,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
461 fsFromStart,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
462 afm->mReadFilePosition + afm->mAudioDataOffset,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
463 *len, buffer, len);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
464 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
465
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
466 static OSStatus
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
467 AudioFileManager_GetFileData(AudioFileManager * afm, void **inOutData,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
468 UInt32 * inOutDataSize)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
469 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
470 if (afm->mFinishedReadingData) {
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
471 ++afm->mNumTimesAskedSinceFinished;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
472 *inOutDataSize = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
473 *inOutData = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
474 return noErr;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
475 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
476
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
477 if (afm->mReadFromFirstBuffer == afm->mWriteToFirstBuffer) {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
478 #if DEBUG
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
479 printf("* * * * * * * Can't keep up with reading file\n");
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
480 #endif
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
481
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
482 afm->mParent->DoNotification(afm->mParent,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
483 kAudioFilePlayErr_FilePlayUnderrun);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
484 *inOutDataSize = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
485 *inOutData = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
486 } else {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
487 *inOutDataSize = afm->mChunkSize;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
488 *inOutData =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
489 afm->mReadFromFirstBuffer ? afm->mFileBuffer : (afm->
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
490 mFileBuffer +
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
491 afm->mChunkSize);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
492 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
493
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
494 afm->mLockUnsuccessful = !sReaderThread->TryNextRead(sReaderThread, afm);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
495
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
496 afm->mReadFromFirstBuffer = !afm->mReadFromFirstBuffer;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
497
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
498 return noErr;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
499 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
500
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
501 static void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
502 AudioFileManager_AfterRender(AudioFileManager * afm)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
503 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
504 if (afm->mNumTimesAskedSinceFinished > 0) {
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
505 int didLock = 0;
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
506 SDLOSXCAGuard *guard = sReaderThread->GetGuard(sReaderThread);
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
507 if (guard->Try(guard, &didLock)) {
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
508 afm->mParent->DoNotification(afm->mParent,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
509 kAudioFilePlay_FileIsFinished);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
510 if (didLock)
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
511 guard->Unlock(guard);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
512 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
513 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
514
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
515 if (afm->mLockUnsuccessful)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
516 afm->mLockUnsuccessful =
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
517 !sReaderThread->TryNextRead(sReaderThread, afm);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
518 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
519
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
520 static void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
521 AudioFileManager_SetPosition(AudioFileManager * afm, SInt64 pos)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
522 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
523 if (pos < 0 || pos >= afm->mFileLength) {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
524 SDL_SetError
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
525 ("AudioFileManager::SetPosition - position invalid: %d filelen=%d\n",
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
526 (unsigned int) pos, (unsigned int) afm->mFileLength);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
527 pos = 0;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
528 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
529
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
530 afm->mReadFilePosition = pos;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
531 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
532
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
533 static void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
534 AudioFileManager_SetEndOfFile(AudioFileManager * afm, SInt64 pos)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
535 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
536 if (pos <= 0 || pos > afm->mFileLength) {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
537 SDL_SetError
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
538 ("AudioFileManager::SetEndOfFile - position beyond actual eof\n");
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
539 pos = afm->mFileLength;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
540 }
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
541
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
542 afm->mFileLength = pos;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
543 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
544
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
545 static const char *
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
546 AudioFileManager_GetFileBuffer(AudioFileManager * afm)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
547 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
548 return afm->mFileBuffer;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
549 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
550
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
551 const AudioFilePlayer *
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
552 AudioFileManager_GetParent(AudioFileManager * afm)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
553 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
554 return afm->mParent;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
555 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
556
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
557 static int
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
558 AudioFileManager_GetByteCounter(AudioFileManager * afm)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
559 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
560 return afm->mByteCounter;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
561 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
562
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
563
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
564 static OSStatus
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
565 AudioFileManager_FileInputProc(void *inRefCon,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
566 AudioUnitRenderActionFlags inActionFlags,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
567 const AudioTimeStamp * inTimeStamp,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
568 UInt32 inBusNumber, AudioBuffer * ioData)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
569 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
570 AudioFileManager *afm = (AudioFileManager *) inRefCon;
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
571 return afm->Render(afm, ioData);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
572 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
573
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
574 static OSStatus
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
575 AudioFileManager_Render(AudioFileManager * afm, AudioBuffer * ioData)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
576 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
577 OSStatus result = noErr;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
578
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
579 if (afm->mBufferOffset >= afm->mBufferSize) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
580 result = afm->GetFileData(afm, &afm->mTmpBuffer, &afm->mBufferSize);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
581 if (result) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
582 SDL_SetError("AudioConverterFillBuffer:%ld\n", result);
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
583 afm->mParent->DoNotification(afm->mParent, result);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
584 return result;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
585 }
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
586
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
587 afm->mBufferOffset = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
588 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
589
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
590 if (ioData->mDataByteSize > afm->mBufferSize - afm->mBufferOffset)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
591 ioData->mDataByteSize = afm->mBufferSize - afm->mBufferOffset;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
592 ioData->mData = (char *) afm->mTmpBuffer + afm->mBufferOffset;
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
593 afm->mBufferOffset += ioData->mDataByteSize;
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
594
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
595 afm->mByteCounter += ioData->mDataByteSize;
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
596 afm->AfterRender(afm);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
597 return result;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
598 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
599
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
600
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
601 void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
602 delete_AudioFileManager(AudioFileManager * afm)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
603 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
604 if (afm != NULL) {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
605 if (afm->mFileBuffer) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
606 free(afm->mFileBuffer);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
607 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
608
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
609 SDL_free(afm);
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
610 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
611 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
612
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
613
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
614 AudioFileManager *
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
615 new_AudioFileManager(AudioFilePlayer * inParent,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
616 SInt16 inForkRefNum,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
617 SInt64 inFileLength, UInt32 inChunkSize)
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
618 {
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
619 AudioFileManager *afm;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
620
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
621 if (sReaderThread == NULL) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
622 sReaderThread = new_FileReaderThread();
1143
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
623 if (sReaderThread == NULL)
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
624 return NULL;
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
625 }
71a2648acc75 Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
626
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
627 afm = (AudioFileManager *) SDL_malloc(sizeof(AudioFileManager));
1143
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Ryan C. Gordon <icculus@icculus.org>
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628 if (afm == NULL)
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629 return NULL;
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630 SDL_memset(afm, '\0', sizeof(*afm));
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631
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632 #define SET_AUDIOFILEMANAGER_METHOD(m) afm->m = AudioFileManager_##m
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633 SET_AUDIOFILEMANAGER_METHOD(Disconnect);
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634 SET_AUDIOFILEMANAGER_METHOD(DoConnect);
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635 SET_AUDIOFILEMANAGER_METHOD(Read);
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636 SET_AUDIOFILEMANAGER_METHOD(GetFileBuffer);
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637 SET_AUDIOFILEMANAGER_METHOD(GetParent);
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638 SET_AUDIOFILEMANAGER_METHOD(SetPosition);
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639 SET_AUDIOFILEMANAGER_METHOD(GetByteCounter);
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640 SET_AUDIOFILEMANAGER_METHOD(SetEndOfFile);
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641 SET_AUDIOFILEMANAGER_METHOD(Render);
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642 SET_AUDIOFILEMANAGER_METHOD(GetFileData);
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643 SET_AUDIOFILEMANAGER_METHOD(AfterRender);
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644 SET_AUDIOFILEMANAGER_METHOD(FileInputProc);
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645 #undef SET_AUDIOFILEMANAGER_METHOD
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646
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647 afm->mParent = inParent;
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648 afm->mForkRefNum = inForkRefNum;
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649 afm->mBufferSize = inChunkSize;
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650 afm->mBufferOffset = inChunkSize;
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651 afm->mChunkSize = inChunkSize;
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652 afm->mFileLength = inFileLength;
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653 afm->mFileBuffer = (char *) SDL_malloc(afm->mChunkSize * 2);
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654 FSGetForkPosition(afm->mForkRefNum, &afm->mAudioDataOffset);
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655 assert(afm->mFileBuffer != NULL);
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656 return afm;
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657 }
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658
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659 /* vi: set ts=4 sw=4 expandtab: */