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AudioComponent.h
1 /*
2  ------------------------------------------------------------------
3 
4  This file is part of the Open Ephys GUI
5  Copyright (C) 2012 Open Ephys
6 
7  ------------------------------------------------------------------
8 
9  This program is free software: you can redistribute it and/or modify
10  it under the terms of the GNU General Public License as published by
11  the Free Software Foundation, either version 3 of the License, or
12  (at your option) any later version.
13 
14  This program is distributed in the hope that it will be useful,
15  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  GNU General Public License for more details.
18 
19  You should have received a copy of the GNU General Public License
20  along with this program. If not, see <http://www.gnu.org/licenses/>.
21 
22 */
23 
24 #ifndef __AUDIOCOMPONENT_H_D97C73CF__
25 #define __AUDIOCOMPONENT_H_D97C73CF__
26 
27 #include "../../JuceLibraryCode/JuceHeader.h"
28 
29 /**
30 
31  Interfaces with system audio hardware.
32 
33  Uses the audio card to generate the callbacks to run the ProcessorGraph
34  during data acquisition.
35 
36  Sends output to the audio card for audio monitoring.
37 
38  Determines the initial size of the sample buffer (crucial for
39  real-time feedback latency).
40 
41  @see MainWindow, ProcessorGraph
42 
43 */
44 
46 
47 public:
49  ~AudioComponent();
50 
51  void beginCallbacks();
52  void endCallbacks();
53 
54  void connectToProcessorGraph(AudioProcessorGraph* processorGraph);
55  void disconnectProcessorGraph();
56 
57  bool callbacksAreActive();
58 
59  void restartDevice();
60  void stopDevice();
61 
62  AudioDeviceManager deviceManager;
63 
64 private:
65 
66  bool isPlaying;
67 
68  AudioProcessorPlayer* graphPlayer;
69 
70 
71 
72  JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AudioComponent);
73 
74 };
75 
76 
77 
78 
79 
80 
81 
82 
83 
84 
85 #endif
86