Jack2: JackCoreAudioDriver.h Source File

Jack2 1.9.12

JackCoreAudioDriver.h
1 /*
2 Copyright (C) 2004-2008 Grame
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 */
19
20 #ifndef __JackCoreAudioDriver__
21 #define __JackCoreAudioDriver__
22
23 #include <AudioToolbox/AudioConverter.h>
24 #include <CoreAudio/CoreAudio.h>
25 #include <AudioUnit/AudioUnit.h>
26 #include "JackAudioDriver.h"
27 #include "JackTime.h"
28
29 #include <vector>
30
31 using namespace std;
32
33 namespace Jack
34 {
35
36 #define kVersion 102
37
38 typedef UInt8 CAAudioHardwareDeviceSectionID;
39 #define kAudioDeviceSectionInput ((CAAudioHardwareDeviceSectionID)0x01)
40 #define kAudioDeviceSectionOutput ((CAAudioHardwareDeviceSectionID)0x00)
41 #define kAudioDeviceSectionGlobal ((CAAudioHardwareDeviceSectionID)0x00)
42 #define kAudioDeviceSectionWildcard ((CAAudioHardwareDeviceSectionID)0xFF)
43
44 #define WAIT_COUNTER 60
45 #define WAIT_NOTIFICATION_COUNTER 30
46
53 class JackAC3Encoder;
54
55 class JackCoreAudioDriver : public JackAudioDriver
56 {
57
58 private:
59
60 JackAC3Encoder* fAC3Encoder;
61
62 AudioUnit fAUHAL;
63
64 AudioBufferList* fJackInputData;
65 AudioBufferList* fDriverOutputData;
66
67 AudioDeviceID fDeviceID; // Used "duplex" device
68 AudioObjectID fPluginID; // Used for aggregate device
69
70 AudioUnitRenderActionFlags* fActionFags;
71 const AudioTimeStamp* fCurrentTime;
72
73 bool fState;
74 bool fHogged;
75
76 char fCaptureUID[256];
77 char fPlaybackUID[256];
78
79 float fIOUsage;
80 float fComputationGrain;
81 bool fClockDriftCompensate;
82 bool fDigitalPlayback;
83
84 static OSStatus Render(void *inRefCon,
85 AudioUnitRenderActionFlags *ioActionFlags,
86 const AudioTimeStamp *inTimeStamp,
87 UInt32 inBusNumber,
88 UInt32 inNumberFrames,
89 AudioBufferList *ioData);
90
91 static OSStatus AudioHardwareNotificationCallback(AudioHardwarePropertyID inPropertyID,void* inClientData);
92
93 static OSStatus DeviceNotificationCallback(AudioDeviceID inDevice,
94 UInt32 inChannel,
95 Boolean isInput,
96 AudioDevicePropertyID inPropertyID,
97 void* inClientData);
98
99 static OSStatus SRNotificationCallback(AudioDeviceID inDevice,
100 UInt32 inChannel,
101 Boolean isInput,
102 AudioDevicePropertyID inPropertyID,
103 void* inClientData);
104
105 static OSStatus BSNotificationCallback(AudioDeviceID inDevice,
106 UInt32 inChannel,
107 Boolean isInput,
108 AudioDevicePropertyID inPropertyID,
109 void* inClientData);
110
111 OSStatus GetDeviceIDFromUID(const char* UID, AudioDeviceID* id);
112 OSStatus GetDefaultDevice(AudioDeviceID* id);
113 OSStatus GetDefaultInputDevice(AudioDeviceID* id);
114 OSStatus GetDefaultOutputDevice(AudioDeviceID* id);
115 OSStatus GetDeviceNameFromID(AudioDeviceID id, char* name);
116 OSStatus GetTotalChannels(AudioDeviceID device, int& channelCount, bool isInput);
117 OSStatus GetStreamLatencies(AudioDeviceID device, bool isInput, vector<int>& latencies);
118
119 // Setup
120 OSStatus CreateAggregateDevice(AudioDeviceID captureDeviceID, AudioDeviceID playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice);
121 OSStatus CreateAggregateDeviceAux(vector<AudioDeviceID> captureDeviceID, vector<AudioDeviceID> playbackDeviceID, jack_nframes_t samplerate, AudioDeviceID* outAggregateDevice);
122 OSStatus DestroyAggregateDevice();
123 bool IsAggregateDevice(AudioDeviceID device);
124
125 int SetupDevices(const char* capture_driver_uid,
126 const char* playback_driver_uid,
127 char* capture_driver_name,
128 char* playback_driver_name,
129 jack_nframes_t samplerate,
130 bool ac3_encoding);
131
132 int SetupChannels(bool capturing,
133 bool playing,
134 int& inchannels,
135 int& outchannels,
136 int& in_nChannels,
137 int& out_nChannels,
138 bool strict);
139
140 int SetupBuffers(int inchannels);
141 void DisposeBuffers();
142
143 int SetupBufferSize(jack_nframes_t buffer_size);
144 int SetupSampleRate(jack_nframes_t samplerate);
145 int SetupSampleRateAux(AudioDeviceID inDevice, jack_nframes_t samplerate);
146
147 int OpenAUHAL(bool capturing,
148 bool playing,
149 int inchannels,
150 int outchannels,
151 int in_nChannels,
152 int out_nChannels,
153 const vector<int>& chan_in_list,
154 const vector<int>& chan_out_list,
155 jack_nframes_t nframes,
156 jack_nframes_t samplerate);
157 void CloseAUHAL();
158
159 int AddListeners();
160 void RemoveListeners();
161
162 bool TakeHogAux(AudioDeviceID deviceID, bool isInput);
163 bool TakeHog();
164
165 void UpdateLatencies();
166
167 bool IsDigitalDevice(AudioDeviceID device);
168 OSStatus Render(AudioUnitRenderActionFlags* ioActionFlags, const AudioTimeStamp* inTimeStamp, AudioBufferList* ioData);
169
170 public:
171
172 JackCoreAudioDriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table);
173 virtual ~JackCoreAudioDriver();
174
175 int Open(jack_nframes_t buffer_size,
176 jack_nframes_t samplerate,
177 bool capturing,
178 bool playing,
179 int inchannels,
180 int outchannels,
181 const char* chan_in_list,
182 const char* chan_out_list,
183 bool monitor,
184 const char* capture_driver_name,
185 const char* playback_driver_name,
186 jack_nframes_t capture_latency,
187 jack_nframes_t playback_latency,
188 int async_output_latency,
189 int computation_grain,
190 bool hogged,
191 bool clock_drift,
192 bool ac3_encoding,
193 int ac3_bitrate,
194 bool ac3_lfe);
195 int Close();
196
197 int Attach();
198
199 int Start();
200 int Stop();
201
202 int Read();
203 int Write();
204
205 // BufferSize can be changed
206 bool IsFixedBufferSize()
207 {
208 return false;
209 }
210
211 int SetBufferSize(jack_nframes_t buffer_size);
212 };
213
214 } // end of namespace
215
216 #endif
Jack
Definition: JackAC3Encoder.cpp:30
Jack::JackLockedEngine
Locked Engine, access to methods is serialized using a mutex.
Definition: JackLockedEngine.h:78
Jack::JackPosixSemaphore
Inter process synchronization using POSIX semaphore.
Definition: JackPosixSemaphore.h:36
Jack::JackCoreAudioDriver
Definition: JackCoreAudioDriver.h:55
std
Jack::JackAudioDriver
The base class for audio drivers: drivers with audio ports.
Definition: JackAudioDriver.h:42
Jack::JackAC3Encoder
Definition: JackAC3Encoder.h:51