AEAudioFileWriter.h
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1 //
2 // AEAudioFileWriter.h
3 // The Amazing Audio Engine
4 //
5 // Created by Michael Tyson on 20/03/2012.
6 //
7 // This software is provided 'as-is', without any express or implied
8 // warranty. In no event will the authors be held liable for any damages
9 // arising from the use of this software.
10 //
11 // Permission is granted to anyone to use this software for any purpose,
12 // including commercial applications, and to alter it and redistribute it
13 // freely, subject to the following restrictions:
14 //
15 // 1. The origin of this software must not be misrepresented; you must not
16 // claim that you wrote the original software. If you use this software
17 // in a product, an acknowledgment in the product documentation would be
18 // appreciated but is not required.
19 //
20 // 2. Altered source versions must be plainly marked as such, and must not be
21 // misrepresented as being the original software.
22 //
23 // 3. This notice may not be removed or altered from any source distribution.
24 //
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
30 #import <Foundation/Foundation.h>
31 #import <AudioToolbox/AudioToolbox.h>
32 
33 extern NSString * const AEAudioFileWriterErrorDomain;
34 
35 enum {
37 };
38 
39 @class AEAudioController;
40 
47 @interface AEAudioFileWriter : NSObject
48 + (BOOL)AACEncodingAvailable;
49 
56 - (id)initWithAudioDescription:(AudioStreamBasicDescription)audioDescription;
57 
68 - (BOOL)beginWritingToFileAtPath:(NSString*)path fileType:(AudioFileTypeID)fileType error:(NSError**)error;
69 
70 - (BOOL)beginWritingToFileAtPath:(NSString*)path fileType:(AudioFileTypeID)fileType bitDepth:(UInt32)bits error:(NSError**)error;
71 
72 - (BOOL)beginWritingToFileAtPath:(NSString*)path fileType:(AudioFileTypeID)fileType bitDepth:(UInt32)bits channels:(UInt32)channels error:(NSError**)error;
73 
74 
80 - (void)finishWriting;
81 
95 OSStatus AEAudioFileWriterAddAudio(AEAudioFileWriter* writer, AudioBufferList *bufferList, UInt32 lengthInFrames);
96 
109 OSStatus AEAudioFileWriterAddAudioSynchronously(AEAudioFileWriter* writer, AudioBufferList *bufferList, UInt32 lengthInFrames);
110 
114 @property (nonatomic, strong, readonly) NSString *path;
115 
116 @end
117 
118 #ifdef __cplusplus
119 }
120 #endif