1 |
/*************************************************************************** |
2 |
* * |
3 |
* LinuxSampler - modular, streaming capable sampler * |
4 |
* * |
5 |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
6 |
* Copyright (C) 2005 - 2013 Christian Schoenebeck * |
7 |
* * |
8 |
* This program is free software; you can redistribute it and/or modify * |
9 |
* it under the terms of the GNU General Public License as published by * |
10 |
* the Free Software Foundation; either version 2 of the License, or * |
11 |
* (at your option) any later version. * |
12 |
* * |
13 |
* This program is distributed in the hope that it will be useful, * |
14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
16 |
* GNU General Public License for more details. * |
17 |
* * |
18 |
* You should have received a copy of the GNU General Public License * |
19 |
* along with this program; if not, write to the Free Software * |
20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * |
21 |
* MA 02111-1307 USA * |
22 |
***************************************************************************/ |
23 |
|
24 |
#ifndef _LS_AUDIOOUTPUTDEVICEASIO_H_ |
25 |
#define _LS_AUDIOOUTPUTDEVICEASIO_H_ |
26 |
|
27 |
#include <string.h> |
28 |
|
29 |
#include <asiosys.h> |
30 |
#include <asio.h> |
31 |
#include <asiodrivers.h> |
32 |
#include <math.h> |
33 |
#include "iasiothiscallresolver.h" |
34 |
|
35 |
#include "../../common/global_private.h" |
36 |
#include "AudioOutputDevice.h" |
37 |
#include "AudioChannel.h" |
38 |
#include "../DeviceParameter.h" |
39 |
|
40 |
namespace LinuxSampler { // |
41 |
|
42 |
/** Asio audio output driver |
43 |
* |
44 |
* Implements audio output to the Advanced Linux Sound Architecture (Asio). |
45 |
*/ |
46 |
class AudioOutputDeviceAsio : public AudioOutputDevice { |
47 |
public: |
48 |
AudioOutputDeviceAsio(std::map<String,DeviceCreationParameter*> Parameters); |
49 |
~AudioOutputDeviceAsio(); |
50 |
|
51 |
// derived abstract methods from class 'AudioOutputDevice' |
52 |
virtual void Play(); |
53 |
virtual bool IsPlaying(); |
54 |
virtual void Stop(); |
55 |
virtual uint MaxSamplesPerCycle(); |
56 |
virtual uint SampleRate(); |
57 |
virtual AudioChannel* CreateChannel(uint ChannelNr); |
58 |
|
59 |
virtual String Driver(); |
60 |
static String Name(); |
61 |
static String Description(); |
62 |
static String Version(); |
63 |
|
64 |
/** Device Parameter 'CARD' |
65 |
* |
66 |
* Used to select the desired Asio sound card. |
67 |
*/ |
68 |
class ParameterCard : public DeviceCreationParameterString { |
69 |
public: |
70 |
ParameterCard(); |
71 |
ParameterCard(String s) throw (Exception); |
72 |
virtual String Description(); |
73 |
virtual bool Fix(); |
74 |
virtual bool Mandatory(); |
75 |
virtual std::map<String,DeviceCreationParameter*> DependsAsParameters(); |
76 |
virtual optional<String> DefaultAsString(std::map<String,String> Parameters); |
77 |
virtual std::vector<String> PossibilitiesAsString(std::map<String,String> Parameters); |
78 |
virtual void OnSetValue(String s) throw (Exception); |
79 |
static String Name(); |
80 |
}; |
81 |
|
82 |
/** Device Parameter 'SAMPLERATE' |
83 |
* |
84 |
* Used to set the sample rate of the audio output device. |
85 |
*/ |
86 |
class ParameterSampleRate : public AudioOutputDevice::ParameterSampleRate { |
87 |
public: |
88 |
ParameterSampleRate(); |
89 |
ParameterSampleRate(String s); |
90 |
virtual std::map<String,DeviceCreationParameter*> DependsAsParameters(); |
91 |
virtual optional<int> DefaultAsInt(std::map<String,String> Parameters); |
92 |
virtual std::vector<int> PossibilitiesAsInt(std::map<String,String> Parameters); |
93 |
}; |
94 |
|
95 |
/** Device Parameters 'CHANNELS' |
96 |
* |
97 |
* Used to increase / decrease the number of audio channels of |
98 |
* audio output device. |
99 |
*/ |
100 |
class ParameterChannels : public AudioOutputDevice::ParameterChannels { |
101 |
public: |
102 |
ParameterChannels(); |
103 |
ParameterChannels(String s); |
104 |
virtual std::map<String,DeviceCreationParameter*> DependsAsParameters(); |
105 |
virtual optional<int> DefaultAsInt(std::map<String,String> Parameters); |
106 |
virtual optional<int> RangeMinAsInt(std::map<String,String> Parameters); |
107 |
virtual optional<int> RangeMaxAsInt(std::map<String,String> Parameters); |
108 |
}; |
109 |
|
110 |
|
111 |
/** Device Parameter 'FRAGMENTSIZE' |
112 |
* |
113 |
* Used to set the audio fragment size / period size. |
114 |
*/ |
115 |
class ParameterFragmentSize : public DeviceCreationParameterInt { |
116 |
public: |
117 |
ParameterFragmentSize(); |
118 |
ParameterFragmentSize(String s) throw (Exception); |
119 |
virtual String Description(); |
120 |
virtual bool Fix(); |
121 |
virtual bool Mandatory(); |
122 |
virtual std::map<String,DeviceCreationParameter*> DependsAsParameters(); |
123 |
virtual optional<int> DefaultAsInt(std::map<String,String> Parameters); |
124 |
virtual optional<int> RangeMinAsInt(std::map<String,String> Parameters); |
125 |
virtual optional<int> RangeMaxAsInt(std::map<String,String> Parameters); |
126 |
virtual std::vector<int> PossibilitiesAsInt(std::map<String,String> Parameters); |
127 |
virtual void OnSetValue(int i) throw (Exception); |
128 |
static String Name(); |
129 |
|
130 |
}; |
131 |
|
132 |
// make protected methods public |
133 |
using AudioOutputDevice::RenderAudio; |
134 |
using AudioOutputDevice::Channels; |
135 |
|
136 |
|
137 |
protected: |
138 |
int Main(); ///< Implementation of virtual method from class Thread |
139 |
|
140 |
private: |
141 |
uint uiAsioChannels; |
142 |
uint uiSamplerate; |
143 |
uint FragmentSize; |
144 |
bool asioIsPlaying; |
145 |
|
146 |
static void bufferSwitch(long index, ASIOBool processNow); |
147 |
static ASIOTime* bufferSwitchTimeInfo(ASIOTime *timeInfo, long index, ASIOBool processNow); |
148 |
|
149 |
}; |
150 |
} |
151 |
|
152 |
#endif // _LS_AUDIOOUTPUTDEVICEASIO_H_ |