AETime.h
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1 //
2 // AETime.h
3 // TheAmazingAudioEngine
4 //
5 // Created by Michael Tyson on 24/03/2016.
6 // Copyright © 2016 A Tasty Pixel. All rights reserved.
7 //
8 // This software is provided 'as-is', without any express or implied
9 // warranty. In no event will the authors be held liable for any damages
10 // arising from the use of this software.
11 //
12 // Permission is granted to anyone to use this software for any purpose,
13 // including commercial applications, and to alter it and redistribute it
14 // freely, subject to the following restrictions:
15 //
16 // 1. The origin of this software must not be misrepresented; you must not
17 // claim that you wrote the original software. If you use this software
18 // in a product, an acknowledgment in the product documentation would be
19 // appreciated but is not required.
20 //
21 // 2. Altered source versions must be plainly marked as such, and must not be
22 // misrepresented as being the original software.
23 //
24 // 3. This notice may not be removed or altered from any source distribution.
25 //
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
31 #import <Foundation/Foundation.h>
32 #import <AudioToolbox/AudioToolbox.h>
33 
34 typedef uint64_t AEHostTicks;
35 typedef double AESeconds;
36 
37 extern const AudioTimeStamp AETimeStampNone;
38 
42 void AETimeInit();
43 
47 AEHostTicks AECurrentTimeInHostTicks(void);
48 
52 AESeconds AECurrentTimeInSeconds(void);
53 
60 AEHostTicks AEHostTicksFromSeconds(AESeconds seconds);
61 
68 AESeconds AESecondsFromHostTicks(AEHostTicks ticks);
69 
78 AudioTimeStamp AETimeStampWithHostTicks(AEHostTicks ticks);
79 
86 AudioTimeStamp AETimeStampWithSamples(Float64 samples);
87 
88 #ifdef __cplusplus
89 }
90 #endif