diff options
Diffstat (limited to 'apps/plugins/sdl/src/cdrom/macosx/AudioFilePlayer.h')
-rw-r--r-- | apps/plugins/sdl/src/cdrom/macosx/AudioFilePlayer.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/apps/plugins/sdl/src/cdrom/macosx/AudioFilePlayer.h b/apps/plugins/sdl/src/cdrom/macosx/AudioFilePlayer.h new file mode 100644 index 0000000000..886d017a59 --- /dev/null +++ b/apps/plugins/sdl/src/cdrom/macosx/AudioFilePlayer.h | |||
@@ -0,0 +1,178 @@ | |||
1 | /* | ||
2 | SDL - Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2012 Sam Lantinga | ||
4 | |||
5 | This library is free software; you can redistribute it and/or | ||
6 | modify it under the terms of the GNU Library General Public | ||
7 | License as published by the Free Software Foundation; either | ||
8 | version 2 of the License, or (at your option) any later version. | ||
9 | |||
10 | This library is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Library General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Library General Public | ||
16 | License along with this library; if not, write to the Free | ||
17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
18 | |||
19 | Sam Lantinga | ||
20 | slouken@libsdl.org | ||
21 | |||
22 | This file based on Apple sample code. We haven't changed the file name, | ||
23 | so if you want to see the original search for it on apple.com/developer | ||
24 | */ | ||
25 | #include "SDL_config.h" | ||
26 | |||
27 | /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
28 | AudioFilePlayer.h | ||
29 | */ | ||
30 | #ifndef __AudioFilePlayer_H__ | ||
31 | #define __AudioFilePlayer_H__ | ||
32 | |||
33 | #include <CoreServices/CoreServices.h> | ||
34 | |||
35 | #include <AudioUnit/AudioUnit.h> | ||
36 | #if MAC_OS_X_VERSION_MAX_ALLOWED <= 1050 | ||
37 | #include <AudioUnit/AUNTComponent.h> | ||
38 | #endif | ||
39 | |||
40 | #if (MAC_OS_X_VERSION_MAX_ALLOWED < 1050) | ||
41 | typedef SInt16 FSIORefNum; | ||
42 | #endif | ||
43 | |||
44 | #include "SDL_error.h" | ||
45 | |||
46 | const char* AudioFilePlayerErrorStr (OSStatus error); | ||
47 | |||
48 | /* | ||
49 | void ThrowResult (OSStatus result, const char *str); | ||
50 | |||
51 | #define THROW_RESULT(str) \ | ||
52 | if (result) { \ | ||
53 | ThrowResult (result, str); \ | ||
54 | } | ||
55 | */ | ||
56 | |||
57 | typedef void (*AudioFilePlayNotifier)(void *inRefCon, | ||
58 | OSStatus inStatus); | ||
59 | |||
60 | enum { | ||
61 | kAudioFilePlayErr_FilePlayUnderrun = -10000, | ||
62 | kAudioFilePlay_FileIsFinished = -10001, | ||
63 | kAudioFilePlay_PlayerIsUninitialized = -10002 | ||
64 | }; | ||
65 | |||
66 | |||
67 | struct S_AudioFileManager; | ||
68 | |||
69 | #pragma mark __________ AudioFilePlayer | ||
70 | typedef struct S_AudioFilePlayer | ||
71 | { | ||
72 | /*public:*/ | ||
73 | int (*SetDestination)(struct S_AudioFilePlayer *afp, AudioUnit *inDestUnit); | ||
74 | void (*SetNotifier)(struct S_AudioFilePlayer *afp, AudioFilePlayNotifier inNotifier, void *inRefCon); | ||
75 | void (*SetStartFrame)(struct S_AudioFilePlayer *afp, int frame); /* seek in the file */ | ||
76 | int (*GetCurrentFrame)(struct S_AudioFilePlayer *afp); /* get the current frame position */ | ||
77 | void (*SetStopFrame)(struct S_AudioFilePlayer *afp, int frame); /* set limit in the file */ | ||
78 | int (*Connect)(struct S_AudioFilePlayer *afp); | ||
79 | void (*Disconnect)(struct S_AudioFilePlayer *afp); | ||
80 | void (*DoNotification)(struct S_AudioFilePlayer *afp, OSStatus inError); | ||
81 | int (*IsConnected)(struct S_AudioFilePlayer *afp); | ||
82 | AudioUnit (*GetDestUnit)(struct S_AudioFilePlayer *afp); | ||
83 | void (*Print)(struct S_AudioFilePlayer *afp); | ||
84 | |||
85 | /*private:*/ | ||
86 | AudioUnit mPlayUnit; | ||
87 | FSIORefNum mForkRefNum; | ||
88 | |||
89 | AURenderCallbackStruct mInputCallback; | ||
90 | |||
91 | AudioStreamBasicDescription mFileDescription; | ||
92 | |||
93 | int mConnected; | ||
94 | |||
95 | struct S_AudioFileManager* mAudioFileManager; | ||
96 | |||
97 | AudioFilePlayNotifier mNotifier; | ||
98 | void* mRefCon; | ||
99 | |||
100 | int mStartFrame; | ||
101 | |||
102 | #pragma mark __________ Private_Methods | ||
103 | |||
104 | int (*OpenFile)(struct S_AudioFilePlayer *afp, const FSRef *inRef, SInt64 *outFileSize); | ||
105 | } AudioFilePlayer; | ||
106 | |||
107 | |||
108 | AudioFilePlayer *new_AudioFilePlayer(const FSRef *inFileRef); | ||
109 | void delete_AudioFilePlayer(AudioFilePlayer *afp); | ||
110 | |||
111 | |||
112 | |||
113 | #pragma mark __________ AudioFileManager | ||
114 | typedef struct S_AudioFileManager | ||
115 | { | ||
116 | /*public:*/ | ||
117 | /* this method should NOT be called by an object of this class | ||
118 | as it is called by the parent's Disconnect() method */ | ||
119 | void (*Disconnect)(struct S_AudioFileManager *afm); | ||
120 | int (*DoConnect)(struct S_AudioFileManager *afm); | ||
121 | OSStatus (*Read)(struct S_AudioFileManager *afm, char *buffer, ByteCount *len); | ||
122 | const char* (*GetFileBuffer)(struct S_AudioFileManager *afm); | ||
123 | const AudioFilePlayer *(*GetParent)(struct S_AudioFileManager *afm); | ||
124 | void (*SetPosition)(struct S_AudioFileManager *afm, SInt64 pos); /* seek/rewind in the file */ | ||
125 | int (*GetByteCounter)(struct S_AudioFileManager *afm); /* return actual bytes streamed to audio hardware */ | ||
126 | void (*SetEndOfFile)(struct S_AudioFileManager *afm, SInt64 pos); /* set the "EOF" (will behave just like it reached eof) */ | ||
127 | |||
128 | /*protected:*/ | ||
129 | AudioFilePlayer* mParent; | ||
130 | SInt16 mForkRefNum; | ||
131 | SInt64 mAudioDataOffset; | ||
132 | |||
133 | char* mFileBuffer; | ||
134 | |||
135 | int mByteCounter; | ||
136 | |||
137 | int mReadFromFirstBuffer; | ||
138 | int mLockUnsuccessful; | ||
139 | int mIsEngaged; | ||
140 | |||
141 | int mNumTimesAskedSinceFinished; | ||
142 | |||
143 | |||
144 | void* mTmpBuffer; | ||
145 | UInt32 mBufferSize; | ||
146 | UInt32 mBufferOffset; | ||
147 | /*public:*/ | ||
148 | UInt32 mChunkSize; | ||
149 | SInt64 mFileLength; | ||
150 | SInt64 mReadFilePosition; | ||
151 | int mWriteToFirstBuffer; | ||
152 | int mFinishedReadingData; | ||
153 | |||
154 | /*protected:*/ | ||
155 | OSStatus (*Render)(struct S_AudioFileManager *afm, AudioBufferList *ioData); | ||
156 | OSStatus (*GetFileData)(struct S_AudioFileManager *afm, void** inOutData, UInt32 *inOutDataSize); | ||
157 | void (*AfterRender)(struct S_AudioFileManager *afm); | ||
158 | |||
159 | /*public:*/ | ||
160 | /*static*/ | ||
161 | OSStatus (*FileInputProc)(void *inRefCon, | ||
162 | AudioUnitRenderActionFlags *ioActionFlags, | ||
163 | const AudioTimeStamp *inTimeStamp, | ||
164 | UInt32 inBusNumber, | ||
165 | UInt32 inNumberFrames, | ||
166 | AudioBufferList *ioData); | ||
167 | } AudioFileManager; | ||
168 | |||
169 | |||
170 | AudioFileManager *new_AudioFileManager (AudioFilePlayer *inParent, | ||
171 | SInt16 inForkRefNum, | ||
172 | SInt64 inFileLength, | ||
173 | UInt32 inChunkSize); | ||
174 | |||
175 | void delete_AudioFileManager(AudioFileManager *afm); | ||
176 | |||
177 | #endif | ||
178 | |||