Mercurial > sdl-ios-xcode

annotate src/cdrom/macosx/AudioFileReaderThread.cpp @ 1097:c83fa1c650dd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Move GSXB callback to C source
author Patrice Mandin <patmandin@gmail.com>
date Wed, 20 Jul 2005 17:44:11 +0000
parents f8d5ddc7aef1
children
rev   line source
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6 modify it under the terms of the GNU Library General Public
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
8 version 2 of the License, or (at your option) any later version.
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
9
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
13 Library General Public License for more details.
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
15 You should have received a copy of the GNU Library General Public
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
16 License along with this library; if not, write to the Free
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
18
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
19 Sam Lantinga
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
20 slouken@libsdl.org
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
21
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
22 This file based on Apple sample code. We haven't changed the file name,
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
23 so if you want to see the original search for it on apple.com/developer
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
24 */
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
25
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
26 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
27 // AudioFileManager.cpp
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
28 //
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
29 #include "AudioFilePlayer.h"
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
30 #include <mach/mach.h> //used for setting policy of thread
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
31 #include "CAGuard.h"
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
32 #include <pthread.h>
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
33
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
34 #include <list>
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
35
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
36 class FileReaderThread {
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
37 public:
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
38 FileReaderThread ();
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
39
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
40 CAGuard& GetGuard() { return mGuard; }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
41
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
42 void AddReader();
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
43
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
44 void RemoveReader (AudioFileManager* inItem);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
45
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
46 // returns true if succeeded
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
47 bool TryNextRead (AudioFileManager* inItem)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
48 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
49 bool didLock = false;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
50 bool succeeded = false;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
51 if (mGuard.Try (didLock))
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
52 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
53 mFileData.push_back (inItem);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
54 mGuard.Notify();
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
55 succeeded = true;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
56
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
57 if (didLock)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
58 mGuard.Unlock();
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
59 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
60
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
61 return succeeded;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
62 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
63
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
64 int mThreadShouldDie;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
65
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
66 private:
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
67 typedef std::list<AudioFileManager*> FileData;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
68
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
69 CAGuard mGuard;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
70 UInt32 mThreadPriority;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
71
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
72 int mNumReaders;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
73 FileData mFileData;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
74
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
75
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
76 void ReadNextChunk ();
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
77
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
78 void StartFixedPriorityThread ();
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
79 static UInt32 GetThreadBasePriority (pthread_t inThread);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
80
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
81 static void* DiskReaderEntry (void *inRefCon);
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
82 };
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
83
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
84 FileReaderThread::FileReaderThread ()
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
85 : mThreadPriority (62),
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
86 mNumReaders (0)
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
87 {
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
88 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
89
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
90 void FileReaderThread::AddReader()
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
91 {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
92 if (mNumReaders == 0)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
93 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
94 mThreadShouldDie = false;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
95
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
96 StartFixedPriorityThread ();
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
97 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
98 mNumReaders++;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
99 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
100
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
101 void FileReaderThread::RemoveReader (AudioFileManager* inItem)
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
102 {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
103 if (mNumReaders > 0)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
104 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
105 CAGuard::Locker fileReadLock (mGuard);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
106
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
107 mFileData.remove (inItem);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
108
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
109 if (--mNumReaders == 0) {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
110 mThreadShouldDie = true;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
111 mGuard.Notify(); // wake up thread so it will quit
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
112 mGuard.Wait(); // wait for thread to die
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
113 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
114 }
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
115 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
116
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
117 void FileReaderThread::StartFixedPriorityThread ()
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
118 {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
119 pthread_attr_t theThreadAttrs;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
120 pthread_t pThread;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
121
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
122 OSStatus result = pthread_attr_init(&theThreadAttrs);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
123 THROW_RESULT("pthread_attr_init - Thread attributes could not be created.")
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
124
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
125 result = pthread_attr_setdetachstate(&theThreadAttrs, PTHREAD_CREATE_DETACHED);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
126 THROW_RESULT("pthread_attr_setdetachstate - Thread attributes could not be detached.")
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
127
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
128 result = pthread_create (&pThread, &theThreadAttrs, DiskReaderEntry, this);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
129 THROW_RESULT("pthread_create - Create and start the thread.")
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
130
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
131 pthread_attr_destroy(&theThreadAttrs);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
132
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
133 // we've now created the thread and started it
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
134 // we'll now set the priority of the thread to the nominated priority
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
135 // and we'll also make the thread fixed
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
136 thread_extended_policy_data_t theFixedPolicy;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
137 thread_precedence_policy_data_t thePrecedencePolicy;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
138 SInt32 relativePriority;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140 // make thread fixed
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
141 theFixedPolicy.timeshare = false; // set to true for a non-fixed thread
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 result = thread_policy_set (pthread_mach_thread_np(pThread), THREAD_EXTENDED_POLICY, (thread_policy_t)&theFixedPolicy, THREAD_EXTENDED_POLICY_COUNT);
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 THROW_RESULT("thread_policy - Couldn't set thread as fixed priority.")
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 // set priority
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 // precedency policy's "importance" value is relative to spawning thread's priority
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 relativePriority = mThreadPriority - FileReaderThread::GetThreadBasePriority (pthread_self());
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148 thePrecedencePolicy.importance = relativePriority;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 result = thread_policy_set (pthread_mach_thread_np(pThread), THREAD_PRECEDENCE_POLICY, (thread_policy_t)&thePrecedencePolicy, THREAD_PRECEDENCE_POLICY_COUNT);
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 THROW_RESULT("thread_policy - Couldn't set thread priority.")
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
153 UInt32 FileReaderThread::GetThreadBasePriority (pthread_t inThread)
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
155 thread_basic_info_data_t threadInfo;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
156 policy_info_data_t thePolicyInfo;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
157 unsigned int count;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 // get basic info
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 count = THREAD_BASIC_INFO_COUNT;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 thread_info (pthread_mach_thread_np (inThread), THREAD_BASIC_INFO, (integer_t*)&threadInfo, &count);
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
163 switch (threadInfo.policy) {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
164 case POLICY_TIMESHARE:
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
165 count = POLICY_TIMESHARE_INFO_COUNT;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
166 thread_info(pthread_mach_thread_np (inThread), THREAD_SCHED_TIMESHARE_INFO, (integer_t*)&(thePolicyInfo.ts), &count);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
167 return thePolicyInfo.ts.base_priority;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 break;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 case POLICY_FIFO:
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
171 count = POLICY_FIFO_INFO_COUNT;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
172 thread_info(pthread_mach_thread_np (inThread), THREAD_SCHED_FIFO_INFO, (integer_t*)&(thePolicyInfo.fifo), &count);
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 if (thePolicyInfo.fifo.depressed) {
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 return thePolicyInfo.fifo.depress_priority;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 } else {
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176 return thePolicyInfo.fifo.base_priority;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
178 break;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
180 case POLICY_RR:
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
181 count = POLICY_RR_INFO_COUNT;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
182 thread_info(pthread_mach_thread_np (inThread), THREAD_SCHED_RR_INFO, (integer_t*)&(thePolicyInfo.rr), &count);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
183 if (thePolicyInfo.rr.depressed) {
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 return thePolicyInfo.rr.depress_priority;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 } else {
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 return thePolicyInfo.rr.base_priority;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 break;
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
189 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
190
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
191 return 0;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
192 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
193
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
194 void *FileReaderThread::DiskReaderEntry (void *inRefCon)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
195 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
196 FileReaderThread *This = (FileReaderThread *)inRefCon;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
197 This->ReadNextChunk();
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
198 #if DEBUG
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
199 printf ("finished with reading file\n");
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
200 #endif
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 return 0;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
205 void FileReaderThread::ReadNextChunk ()
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
207 OSStatus result;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
208 UInt32 dataChunkSize;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
209 AudioFileManager* theItem = 0;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
211 for (;;)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
212 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
213 { // this is a scoped based lock
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
214 CAGuard::Locker fileReadLock (mGuard);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
215
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
216 if (this->mThreadShouldDie) {
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 mGuard.Notify();
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 return;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 }
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
221
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
222 if (mFileData.empty())
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
223 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
224 mGuard.Wait();
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
225 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
226
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
227 // kill thread
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
228 if (this->mThreadShouldDie) {
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 mGuard.Notify();
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 return;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
234 theItem = mFileData.front();
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
235 mFileData.pop_front();
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
236 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
237
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
238 if ((theItem->mFileLength - theItem->mReadFilePosition) < theItem->mChunkSize)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
239 dataChunkSize = theItem->mFileLength - theItem->mReadFilePosition;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
240 else
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
241 dataChunkSize = theItem->mChunkSize;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
242
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
243 // this is the exit condition for the thread
773
da0a2ad35bf4 Date: Sun, 4 Jan 2004 23:48:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 768
diff changeset
244 if (dataChunkSize <= 0) {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
245 theItem->mFinishedReadingData = true;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
246 continue;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
247 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
248 // construct pointer
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
249 char* writePtr = const_cast<char*>(theItem->GetFileBuffer() +
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
250 (theItem->mWriteToFirstBuffer ? 0 : theItem->mChunkSize));
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
251
773
da0a2ad35bf4 Date: Sun, 4 Jan 2004 23:48:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 768
diff changeset
252 // read data
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
253 result = theItem->Read(writePtr, &dataChunkSize);
773
da0a2ad35bf4 Date: Sun, 4 Jan 2004 23:48:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 768
diff changeset
254 if (result != noErr && result != eofErr) {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
255 theItem->GetParent().DoNotification(result);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
256 continue;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
257 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
258
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
259 if (dataChunkSize != theItem->mChunkSize)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
260 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
261 writePtr += dataChunkSize;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 // can't exit yet.. we still have to pass the partial buffer back
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 memset (writePtr, 0, (theItem->mChunkSize - dataChunkSize));
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 }
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
266
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
267 theItem->mWriteToFirstBuffer = !theItem->mWriteToFirstBuffer; // switch buffers
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
268
773
da0a2ad35bf4 Date: Sun, 4 Jan 2004 23:48:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 768
diff changeset
269 if (result == eofErr)
da0a2ad35bf4 Date: Sun, 4 Jan 2004 23:48:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 768
diff changeset
270 theItem->mReadFilePosition = theItem->mFileLength;
da0a2ad35bf4 Date: Sun, 4 Jan 2004 23:48:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 768
diff changeset
271 else
da0a2ad35bf4 Date: Sun, 4 Jan 2004 23:48:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 768
diff changeset
272 theItem->mReadFilePosition += dataChunkSize; // increment count
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
273 }
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 static FileReaderThread sReaderThread;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
279 AudioFileManager::AudioFileManager (AudioFilePlayer &inParent,
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
280 SInt16 inForkRefNum,
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
281 SInt64 inFileLength,
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
282 UInt32 inChunkSize)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
283 : mParent (inParent),
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
284 mForkRefNum (inForkRefNum),
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
285 mFileBuffer (0),
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
286 mByteCounter (0),
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
287 mLockUnsuccessful (false),
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
288 mIsEngaged (false),
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents: 775
diff changeset
290 mBufferSize (inChunkSize),
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents: 775
diff changeset
291 mBufferOffset (inChunkSize),
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
292 mChunkSize (inChunkSize),
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
293 mFileLength (inFileLength),
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
294 mReadFilePosition (0),
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
295 mWriteToFirstBuffer (false),
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
296 mFinishedReadingData (false)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
297
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
299 mFileBuffer = (char*) malloc (mChunkSize * 2);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
300 FSGetForkPosition(mForkRefNum, &mAudioDataOffset);
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 assert (mFileBuffer != NULL);
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
304 void AudioFileManager::DoConnect ()
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
306 if (!mIsEngaged)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
307 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
308 //mReadFilePosition = 0;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
309 mFinishedReadingData = false;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310
775
08b7fc2b5225 Fixed playback problems with MacOSX 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 773
diff changeset
311 mNumTimesAskedSinceFinished = 0;
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
312 mLockUnsuccessful = false;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
313
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
314 OSStatus result;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
315 UInt32 dataChunkSize;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 if ((mFileLength - mReadFilePosition) < mChunkSize)
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
318 dataChunkSize = mFileLength - mReadFilePosition;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
319 else
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
320 dataChunkSize = mChunkSize;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
322 result = Read(mFileBuffer, &dataChunkSize);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
323 THROW_RESULT("AudioFileManager::DoConnect(): Read")
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
325 mReadFilePosition += dataChunkSize;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
326
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
327 mWriteToFirstBuffer = false;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
328 mReadFromFirstBuffer = true;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
329
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
330 sReaderThread.AddReader();
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
331
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
332 mIsEngaged = true;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
333 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
334 else
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
335 throw static_cast<OSStatus>(-1); //thread has already been started
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
338 void AudioFileManager::Disconnect ()
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
340 if (mIsEngaged)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
341 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
342 sReaderThread.RemoveReader (this);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
343 mIsEngaged = false;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
344 }
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
347 OSStatus AudioFileManager::Read(char *buffer, UInt32 *len)
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
349 return FSReadFork (mForkRefNum,
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
350 fsFromStart,
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
351 mReadFilePosition + mAudioDataOffset,
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
352 *len,
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
353 buffer,
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
354 len);
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
357 OSStatus AudioFileManager::GetFileData (void** inOutData, UInt32 *inOutDataSize)
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
359 if (mFinishedReadingData)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
360 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
361 ++mNumTimesAskedSinceFinished;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
362 *inOutDataSize = 0;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
363 *inOutData = 0;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
364 return noErr;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
365 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
366
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
367 if (mReadFromFirstBuffer == mWriteToFirstBuffer) {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
368 #if DEBUG
935
f8d5ddc7aef1 Audio improvements from Max Horn, including a new CoreAudio driver for MacOSX
Sam Lantinga <slouken@libsdl.org>
parents: 775
diff changeset
369 printf ("* * * * * * * Can't keep up with reading file\n");
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
370 #endif
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
371
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
372 mParent.DoNotification (kAudioFilePlayErr_FilePlayUnderrun);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
373 *inOutDataSize = 0;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
374 *inOutData = 0;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
375 } else {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
376 *inOutDataSize = mChunkSize;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
377 *inOutData = mReadFromFirstBuffer ? mFileBuffer : (mFileBuffer + mChunkSize);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
378 }
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
380 mLockUnsuccessful = !sReaderThread.TryNextRead (this);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
381
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
382 mReadFromFirstBuffer = !mReadFromFirstBuffer;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
383
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
384 return noErr;
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
387 void AudioFileManager::AfterRender ()
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
388 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
389 if (mNumTimesAskedSinceFinished > 0)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
390 {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
391 bool didLock = false;
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
392 if (sReaderThread.GetGuard().Try (didLock)) {
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
393 mParent.DoNotification (kAudioFilePlay_FileIsFinished);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
394 if (didLock)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
395 sReaderThread.GetGuard().Unlock();
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
396 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
397 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
398
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
399 if (mLockUnsuccessful)
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
400 mLockUnsuccessful = !sReaderThread.TryNextRead (this);
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
401 }
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
402
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
403 void AudioFileManager::SetPosition (SInt64 pos)
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 {
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 if (pos < 0 || pos >= mFileLength) {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
406 SDL_SetError ("AudioFileManager::SetPosition - position invalid: %d filelen=%d\n",
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 (unsigned int)pos, (unsigned int)mFileLength);
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 pos = 0;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 mReadFilePosition = pos;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
414 void AudioFileManager::SetEndOfFile (SInt64 pos)
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 {
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 if (pos <= 0 || pos > mFileLength) {
768
de1b2c3063b9 Max has been reworking this code so it works on MacOS X 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 613
diff changeset
417 SDL_SetError ("AudioFileManager::SetEndOfFile - position beyond actual eof\n");
613
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418 pos = mFileLength;
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 }
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
420
9c6717a1c66f Added MacOS X CD-ROM audio support (thanks Max and Darrell)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
421 mFileLength = pos;
775
08b7fc2b5225 Fixed playback problems with MacOSX 10.1
Sam Lantinga <slouken@libsdl.org>
parents: 773
diff changeset
422 }