1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
|
/*
File: AudioFileComponentBase.h
Abstract: Part of CoreAudio Utility Classes
Version: 1.1
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
Inc. ("Apple") in consideration of your agreement to the following
terms, and your use, installation, modification or redistribution of
this Apple software constitutes acceptance of these terms. If you do
not agree with these terms, please do not use, install, modify or
redistribute this Apple software.
In consideration of your agreement to abide by the following terms, and
subject to these terms, Apple grants you a personal, non-exclusive
license, under Apple's copyrights in this original Apple software (the
"Apple Software"), to use, reproduce, modify and redistribute the Apple
Software, with or without modifications, in source and/or binary forms;
provided that if you redistribute the Apple Software in its entirety and
without modifications, you must retain this notice and the following
text and disclaimers in all such redistributions of the Apple Software.
Neither the name, trademarks, service marks or logos of Apple Inc. may
be used to endorse or promote products derived from the Apple Software
without specific prior written permission from Apple. Except as
expressly stated in this notice, no other rights or licenses, express or
implied, are granted by Apple herein, including but not limited to any
patent rights that may be infringed by your derivative works or by other
works in which the Apple Software may be incorporated.
The Apple Software is provided by Apple on an "AS IS" basis. APPLE
MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
Copyright (C) 2014 Apple Inc. All Rights Reserved.
*/
#ifndef __AudioFileComponentBase_h__
#define __AudioFileComponentBase_h__
#include "ComponentBase.h"
#include "AudioFileFormat.h"
struct AudioFileComponentLookup {
static AudioComponentMethod Lookup (SInt16 selector);
};
template <class Implementor>
class AudioFileComponentFactory : public APFactory<AudioFileComponentLookup, Implementor>
{
};
/* subclass, override AudioFileComponentBase() and GetAudioFormat() and that's it. */
class AudioFileComponentBase : public ComponentBase
{
public:
AudioFileComponentBase(AudioComponentInstance inInstance);
virtual ~AudioFileComponentBase();
virtual AudioFileFormatBase* GetAudioFileFormatBase() const = 0;
/* Public API Function Support */
virtual OSStatus AFAPI_CreateURL(
CFURLRef inFileRef,
const AudioStreamBasicDescription *inFormat,
UInt32 inFlags) { return kAudio_UnimplementedError; }
virtual OSStatus AFAPI_OpenURL(
CFURLRef inFileRef,
SInt8 inPermissions,
int inFD) { return kAudio_UnimplementedError; }
virtual OSStatus AFAPI_Create(
const FSRef *inParentRef,
CFStringRef inFileName,
const AudioStreamBasicDescription *inFormat,
UInt32 inFlags,
FSRef *outNewFileRef) { return kAudio_UnimplementedError; }
virtual OSStatus AFAPI_Initialize(
const FSRef *inFileRef,
const AudioStreamBasicDescription *inFormat,
UInt32 inFlags) { return kAudio_UnimplementedError; }
virtual OSStatus AFAPI_Open(
const FSRef *inFileRef,
SInt8 inPermissions,
SInt16 inRefNum) { return kAudio_UnimplementedError; }
virtual OSStatus AFAPI_OpenWithCallbacks(
void * inRefCon,
AudioFile_ReadProc inReadFunc,
AudioFile_WriteProc inWriteFunc,
AudioFile_GetSizeProc inGetSizeFunc,
AudioFile_SetSizeProc inSetSizeFunc)=0;
virtual OSStatus AFAPI_InitializeWithCallbacks(
void * inRefCon,
AudioFile_ReadProc inReadFunc,
AudioFile_WriteProc inWriteFunc,
AudioFile_GetSizeProc inGetSizeFunc,
AudioFile_SetSizeProc inSetSizeFunc,
UInt32 inFileType,
const AudioStreamBasicDescription *inFormat,
UInt32 inFlags)=0;
virtual OSStatus AFAPI_Close()=0;
virtual OSStatus AFAPI_Optimize()=0;
virtual OSStatus AFAPI_ReadBytes( Boolean inUseCache,
SInt64 inStartingByte,
UInt32 *ioNumBytes,
void *outBuffer)=0;
virtual OSStatus AFAPI_WriteBytes( Boolean inUseCache,
SInt64 inStartingByte,
UInt32 *ioNumBytes,
const void *inBuffer)=0;
virtual OSStatus AFAPI_ReadPackets( Boolean inUseCache,
UInt32 *outNumBytes,
AudioStreamPacketDescription *outPacketDescriptions,
SInt64 inStartingPacket,
UInt32 *ioNumPackets,
void *outBuffer)=0;
virtual OSStatus AFAPI_ReadPacketData( Boolean inUseCache,
UInt32 *ioNumBytes,
AudioStreamPacketDescription *outPacketDescriptions,
SInt64 inStartingPacket,
UInt32 *ioNumPackets,
void *outBuffer)=0;
virtual OSStatus AFAPI_WritePackets( Boolean inUseCache,
UInt32 inNumBytes,
const AudioStreamPacketDescription *inPacketDescriptions,
SInt64 inStartingPacket,
UInt32 *ioNumPackets,
const void *inBuffer)=0;
virtual OSStatus AFAPI_GetPropertyInfo( AudioFilePropertyID inPropertyID,
UInt32 *outDataSize,
UInt32 *isWritable)=0;
virtual OSStatus AFAPI_GetProperty( AudioFilePropertyID inPropertyID,
UInt32 *ioDataSize,
void *ioPropertyData)=0;
virtual OSStatus AFAPI_SetProperty( AudioFilePropertyID inPropertyID,
UInt32 inDataSize,
const void *inPropertyData)=0;
virtual OSStatus AFAPI_GetGlobalInfoSize(
AudioFilePropertyID inPropertyID,
UInt32 inSpecifierSize,
const void* inSpecifier,
UInt32 *outPropertySize);
virtual OSStatus AFAPI_GetGlobalInfo(
AudioFilePropertyID inPropertyID,
UInt32 inSpecifierSize,
const void* inSpecifier,
UInt32 *ioPropertySize,
void *ioPropertyData);
virtual OSStatus AFAPI_CountUserData( UInt32 inUserDataID,
UInt32 *outNumberItems)=0;
virtual OSStatus AFAPI_GetUserDataSize( UInt32 inUserDataID,
UInt32 inIndex,
UInt32 *outDataSize)=0;
virtual OSStatus AFAPI_GetUserData( UInt32 inUserDataID,
UInt32 inIndex,
UInt32 *ioDataSize,
void *ioUserData)=0;
virtual OSStatus AFAPI_SetUserData( UInt32 inUserDataID,
UInt32 inIndex,
UInt32 inDataSize,
const void *inUserData)=0;
virtual OSStatus AFAPI_RemoveUserData( UInt32 inUserDataID,
UInt32 inIndex)=0;
#if !CA_USE_AUDIO_PLUGIN_ONLY
static OSStatus ComponentEntryDispatch(ComponentParameters *p, AudioFileComponentBase *This);
#endif
protected:
};
class AudioFileObjectComponentBase : public AudioFileComponentBase
{
public:
AudioFileObjectComponentBase(AudioComponentInstance inInstance);
virtual ~AudioFileObjectComponentBase();
virtual AudioFileFormat* GetAudioFormat() const = 0;
virtual AudioFileFormatBase* GetAudioFileFormatBase() const { return GetAudioFormat(); }
void SetAudioFileObject(AudioFileObject* inObject) { mAudioFileObject = inObject; }
/* Public API Function Support */
virtual OSStatus AFAPI_CreateURL(
CFURLRef inFileRef,
const AudioStreamBasicDescription *inFormat,
UInt32 inFlags);
virtual OSStatus AFAPI_OpenURL(
CFURLRef inFileRef,
SInt8 inPermissions,
int inFD);
virtual OSStatus AFAPI_OpenWithCallbacks(
void * inRefCon,
AudioFile_ReadProc inReadFunc,
AudioFile_WriteProc inWriteFunc,
AudioFile_GetSizeProc inGetSizeFunc,
AudioFile_SetSizeProc inSetSizeFunc);
virtual OSStatus AFAPI_InitializeWithCallbacks(
void * inRefCon,
AudioFile_ReadProc inReadFunc,
AudioFile_WriteProc inWriteFunc,
AudioFile_GetSizeProc inGetSizeFunc,
AudioFile_SetSizeProc inSetSizeFunc,
UInt32 inFileType,
const AudioStreamBasicDescription *inFormat,
UInt32 inFlags);
virtual OSStatus AFAPI_Close();
virtual OSStatus AFAPI_Optimize();
virtual OSStatus AFAPI_ReadBytes( Boolean inUseCache,
SInt64 inStartingByte,
UInt32 *ioNumBytes,
void *outBuffer);
virtual OSStatus AFAPI_WriteBytes( Boolean inUseCache,
SInt64 inStartingByte,
UInt32 *ioNumBytes,
const void *inBuffer);
virtual OSStatus AFAPI_ReadPackets( Boolean inUseCache,
UInt32 *outNumBytes,
AudioStreamPacketDescription *outPacketDescriptions,
SInt64 inStartingPacket,
UInt32 *ioNumPackets,
void *outBuffer);
virtual OSStatus AFAPI_ReadPacketData( Boolean inUseCache,
UInt32 *ioNumBytes,
AudioStreamPacketDescription *outPacketDescriptions,
SInt64 inStartingPacket,
UInt32 *ioNumPackets,
void *outBuffer);
virtual OSStatus AFAPI_WritePackets( Boolean inUseCache,
UInt32 inNumBytes,
const AudioStreamPacketDescription *inPacketDescriptions,
SInt64 inStartingPacket,
UInt32 *ioNumPackets,
const void *inBuffer);
virtual OSStatus AFAPI_GetPropertyInfo( AudioFilePropertyID inPropertyID,
UInt32 *outDataSize,
UInt32 *isWritable);
virtual OSStatus AFAPI_GetProperty( AudioFilePropertyID inPropertyID,
UInt32 *ioDataSize,
void *ioPropertyData);
virtual OSStatus AFAPI_SetProperty( AudioFilePropertyID inPropertyID,
UInt32 inDataSize,
const void *inPropertyData);
virtual OSStatus AFAPI_CountUserData( UInt32 inUserDataID,
UInt32 *outNumberItems);
virtual OSStatus AFAPI_GetUserDataSize( UInt32 inUserDataID,
UInt32 inIndex,
UInt32 *outDataSize);
virtual OSStatus AFAPI_GetUserData( UInt32 inUserDataID,
UInt32 inIndex,
UInt32 *ioDataSize,
void *ioUserData);
virtual OSStatus AFAPI_SetUserData( UInt32 inUserDataID,
UInt32 inIndex,
UInt32 inDataSize,
const void *inUserData);
virtual OSStatus AFAPI_RemoveUserData( UInt32 inUserDataID,
UInt32 inIndex);
protected:
AudioFileObject* mAudioFileObject;
};
#endif
|
