Audaspace  1.6.0
A high level audio library.
CoreAudioDevice.h
Go to the documentation of this file.
1 /*******************************************************************************
2  * Copyright 2009-2021 Jörg Müller
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  ******************************************************************************/
16 
17 #pragma once
18 
19 #ifdef COREAUDIO_PLUGIN
20 #define AUD_BUILD_PLUGIN
21 #endif
22 
29 #include <memory>
30 
31 #include <AudioUnit/AudioUnit.h>
32 
33 #include "CoreAudioSynchronizer.h"
34 
36 
38 
43 {
44 private:
48  bool m_playback;
49 
53  AudioUnit m_audio_unit;
54 
58  std::unique_ptr<CoreAudioSynchronizer> m_synchronizer;
59 
69  AUD_LOCAL static OSStatus CoreAudio_mix(void* data, AudioUnitRenderActionFlags* flags, const AudioTimeStamp* time_stamp, UInt32 bus_number, UInt32 number_frames, AudioBufferList* buffer_list);
70 
71  AUD_LOCAL void start();
72  AUD_LOCAL void stop();
73  AUD_LOCAL void open();
74  AUD_LOCAL void close();
75 
76  // delete copy constructor and operator=
77  CoreAudioDevice(const CoreAudioDevice&) = delete;
78  CoreAudioDevice& operator=(const CoreAudioDevice&) = delete;
79 
80 public:
88  CoreAudioDevice(DeviceSpecs specs, int buffersize = AUD_DEFAULT_BUFFER_SIZE);
89 
93  virtual ~CoreAudioDevice();
94 
95  virtual ISynchronizer* getSynchronizer();
96 
100  static void registerPlugin();
101 };
102 
#define AUD_NAMESPACE_BEGIN
Opens the audaspace namespace aud.
Definition: Audaspace.h:116
This class enables global synchronization of several audio applications if supported.
Definition: ISynchronizer.h:38
The OpenCloseDevice class.
virtual ISynchronizer * getSynchronizer()
Retrieves the synchronizer for this device, which enables accurate synchronization between audio play...
#define AUD_DEFAULT_BUFFER_SIZE
The default playback buffer size of a device.
Definition: Audaspace.h:103
This device extends the SoftwareDevice with code for running mixing in a separate thread...
Definition: OpenCloseDevice.h:36
Specification of a sound device.
Definition: Specification.h:128
This device plays back through CoreAudio, the Apple audio API.
Definition: CoreAudioDevice.h:42
The CoreAudioSynchronizer class.
#define AUD_NAMESPACE_END
Closes the audaspace namespace aud.
Definition: Audaspace.h:119
#define AUD_PLUGIN_API
Used for exporting symbols in the shared library.
Definition: Audaspace.h:94
#define AUD_LOCAL
Used for hiding symbols from export in the shared library.
Definition: Audaspace.h:80