-
Notifications
You must be signed in to change notification settings - Fork 2
/
audiohardwarechannel.h
280 lines (233 loc) · 7.14 KB
/
audiohardwarechannel.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
#ifndef CAMX_AUDIOHARDWARECHANNEL
#define CAMX_AUDIOHARDWARECHANNEL 1
#include "object.h"
#include "audiodefines.h"
#include "audiohardwarebuffer.h"
#include <math.h>
#ifdef WIN32
#include "asio/asio.h"
struct ASIOBufferInfo;
#endif
class AudioChannel;
class AudioHardwareChannel;
class RunningAudioFile;
class Seq_Song;
class AudioSystem;
class AudioHardwareBuffer;
class AudioHDFile;
class AudioHardwareChannel:public Object
{
friend class AudioDevice;
public:
AudioHardwareChannel();
virtual void ClearChannel(int samples,int index){};
virtual void Init(){}
virtual ARES *WriteToHardwareBufferData(ARES *from,int samples,int index){return from;}
virtual void CopyFromHardware(){}
virtual char *GetHardwareInfo(){return "";}
void CopyToHardware(Seq_Song *); // I/O Out
AudioHardwareChannel *NextChannel() {return (AudioHardwareChannel *)next;}
inline void DropPeak(ARES droprate)
{
ARES drop_max=droprate/2;
if(!p_maxdelaycounter)
{
// if(dropmax==true)
peakmax>drop_max?peakmax-=drop_max:peakmax=0;
}
else
p_maxdelaycounter--;
// Drop Input Channel Max
}
void SetName(char *);
AudioHardwareBuffer hwinputbuffer; // input -> ARES -> output channel
char hwname[128];
AudioChannel *audiochannel; // 0 default
AudioHardwareChannel *nextcorechannel,*nextcoreinputchannel;
AudioDevice *device;
ARES currentpeak,peakmax;
int p_maxdelaycounter,
sizeofsample,
channelindex, // channel number
audiochannelgroup,
recordbufferscounter,
iotype; // input/output
bool hardwarechannelused,recordpeakbuffererror,notsupported,
zerocleared,
inputused,canbedisabled, // Input Flags
channelcleared[2];
};
class AudioDevice_WIN32;
class AudioDevice_ASIO;
class AudioHardwareChannel_WIN32Int16LSB:public AudioHardwareChannel
{
public:
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void ClearChannel(int samples,int index);
void CopyFromHardware();
char *GetHardwareInfo(){return "16Bit";}
};
// ASIO Channels ...
// ASIO Container Class
class AudioHardwareChannel_ASIO:public AudioHardwareChannel
{
public:
#ifdef WIN32
ASIOBufferInfo *AddBufferToASIOBuffer(ASIOBufferInfo *);
ASIOBufferInfo *bufferinfo; // ASIO Doublebuffer 0/1 2 DB Buffer
//ASIOSampleType asiotype; // sample type
#endif
};
class AudioHardwareChannel_ASIOSTInt16LSB:public AudioHardwareChannel_ASIO
{
public:
// V
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void CopyFromHardware();
void ClearChannel(int samples,int index){memset(bufferinfo->buffers[index],0,samples*sizeof(short));}
char *GetHardwareInfo(){return "Int16LSB";}
};
class AudioHardwareChannel_ASIOSTInt16MSB:public AudioHardwareChannel_ASIO
{
public:
// V
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void ClearChannel(int samples,int index){memset(bufferinfo->buffers[index],0,samples*sizeof(short));}
char *GetHardwareInfo(){return "Int16MSB";}
};
class AudioHardwareChannel_ASIOSTInt32LSB16:public AudioHardwareChannel_ASIO // xx00 container
{
public:
// V
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void CopyFromHardware();
char *GetHardwareInfo(){return "Int32LSB16";}
void ClearChannel(int samples,int index){memset(bufferinfo->buffers[index],0,samples*sizeof(long));}
};
class AudioHardwareChannel_ASIOSTInt32LSB18:public AudioHardwareChannel_ASIO // xx00 container
{
public:
// V
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void CopyFromHardware();
char *GetHardwareInfo(){return "Int32LSB18";}
void ClearChannel(int samples,int index){memset(bufferinfo->buffers[index],0,samples*sizeof(long));}
};
class AudioHardwareChannel_ASIOSTInt32LSB20:public AudioHardwareChannel_ASIO // xx00 container
{
public:
// V
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void CopyFromHardware();
char *GetHardwareInfo(){return "Int32LSB20";}
void ClearChannel(int samples,int index){memset(bufferinfo->buffers[index],0,samples*sizeof(long));}
};
class AudioHardwareChannel_ASIOSTInt32LSB24:public AudioHardwareChannel_ASIO // xx00 container
{
public:
// V
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void CopyFromHardware();
char *GetHardwareInfo(){return "Int32LSB24";}
void ClearChannel(int samples,int index){memset(bufferinfo->buffers[index],0,samples*sizeof(long));}
};
class AudioHardwareChannel_ASIOSTInt24LSB:public AudioHardwareChannel_ASIO
{
public:
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void CopyFromHardware();
char *GetHardwareInfo(){return "Int24LSB";}
void ClearChannel(int samples,int index){memset(bufferinfo->buffers[index],0,samples*3);}
#ifdef _DEBUG
void TestConvert();
#endif
};
class AudioHardwareChannel_ASIOSTInt32LSB:public AudioHardwareChannel_ASIO
{
public:
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void CopyFromHardware();
char *GetHardwareInfo(){return "Int32LSB";}
void ClearChannel(int samples,int index){memset(bufferinfo->buffers[index],0,samples*sizeof(long));}
};
class AudioHardwareChannel_ASIOSTFloat32LSB:public AudioHardwareChannel_ASIO
{
public:
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void CopyFromHardware();
char *GetHardwareInfo(){return "Float32LSB";}
void ClearChannel(int samples,int index){memset(bufferinfo->buffers[index],0,samples*sizeof(float));}
};
class AudioHardwareChannel_ASIOSTFloat64LSB:public AudioHardwareChannel_ASIO
{
public:
ARES *WriteToHardwareBufferData(ARES *from,int samples,int index);
void CopyFromHardware();
char *GetHardwareInfo(){return "Float64LSB";}
void ClearChannel(int samples,int index){memset(bufferinfo->buffers[index],0,samples*sizeof(double));}
};
#endif
/*
// **************************************************************************
// to_float24 : converts 24-bit signed ints to float, simple method
// **************************************************************************
template<>
struct converter<void,float,sample_bit_type<24> > {
static inline void convert
(void *source, float *target,long frames,sample_bit_type<24>& value) throw()
{
// not extremely fast, but exact and portable
union
{
long lValue;
char cValue[4];
} u;
char *src = (char *)source;
char *dst;
u.lValue = 0;
while (--frames >= 0)
{
#if ASIO_LITTLE_ENDIAN
dst = &u.cValue[1];
#else
dst = &u.cValue[0];
#endif
*dst++ = *src++;
*dst++ = *src++;
*dst++ = *src++;
*target++ = ((u.lValue >> 8) + .5f) * (1.0f / 8388607.75f);
}
}
};
// ****************************************************************************
// from_float24 : converts float to 24-bit signed ints, simple method
// ****************************************************************************
template<>
struct converter<float,void,sample_bit_type<24> > {
static inline void convert(float *source, void *target, long frames,sample_bit_type<24>) throw()
{
// not extremely fast, but exact and portable
union
{
long lValue;
char cValue[4];
} u;
char *src;
char *dst = (char *)target;
float finter;
while (--frames >= 0)
{
finter = saturate(*source++, 1.0f);
u.lValue = ((long)((finter * 8388607.75f) - .5f)) << 8;
#if ASIO_LITTLE_ENDIAN
src = &u.cValue[1];
#else
src = &u.cValue[0];
#endif
*dst++ = *src++;
*dst++ = *src++;
*dst++ = *src++;
}
}
};
*/