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
|
#include <stdio.h>
#define MAXDEVICES 100
#include <string.h>
#include <portaudio.h>
#include <QDebug>
//------------------------------------------------------- pa_get_device_info
int pa_get_device_info (int n,
void *pa_device_name,
void *pa_device_hostapi,
double *pa_device_max_speed,
double *pa_device_min_speed,
int *pa_device_max_bytes,
int *pa_device_min_bytes,
int *pa_device_max_channels,
int *pa_device_min_channels )
{
(void) n ;
(void) pa_device_name;
(void) pa_device_hostapi;
(void) pa_device_max_speed;
(void) pa_device_min_speed;
(void) pa_device_max_bytes;
(void) pa_device_min_bytes;
(void) pa_device_max_channels;
(void) pa_device_min_channels;
const PaDeviceInfo *deviceInfo;
PaError pa_err;
PaStreamParameters inputParameters;
int i,j, speed_warning;
int minBytes, maxBytes;
double maxStandardSampleRate;
double minStandardSampleRate;
int minInputChannels;
int maxInputChannels;
// negative terminated list
static double standardSampleRates[] = {8000.0, 9600.0,
11025.0, 12000.0, 16000.0, 22050.0, 24000.0, 32000.0,
44100.0, 48000.0, 88200.0, 96000.0, 192000.0, -1};
// *******************************************************
*pa_device_max_speed=0;
*pa_device_min_speed=0;
*pa_device_max_bytes=0;
*pa_device_min_bytes=0;
*pa_device_max_channels=0;
*pa_device_min_channels=0;
minInputChannels=0;
if(n >= Pa_GetDeviceCount() ) return -1;
deviceInfo = Pa_GetDeviceInfo(n);
if (deviceInfo->maxInputChannels==0) return -1;
sprintf((char*)(pa_device_name),"%s",deviceInfo->name);
sprintf((char*)(pa_device_hostapi),"%s",
Pa_GetHostApiInfo( deviceInfo->hostApi )->name);
speed_warning=0;
// bypass bug in Juli@ ASIO driver:
// this driver hangs after a Pa_IsFormatSupported call
i = strncmp(deviceInfo->name, "ASIO 2.0 - ESI Juli@", 19);
if (i == 0) {
minStandardSampleRate=44100;
maxStandardSampleRate=192000;
minBytes=1;
maxBytes=4;
maxInputChannels= deviceInfo->maxInputChannels;
minInputChannels= 1;
goto end_pa_get_device_info;
}
// Investigate device capabilities.
// Check min and max samplerates with 16 bit data.
maxStandardSampleRate=0;
minStandardSampleRate=0;
inputParameters.device = n;
inputParameters.channelCount = deviceInfo->maxInputChannels;
inputParameters.sampleFormat = paInt16;
inputParameters.suggestedLatency = 0;
inputParameters.hostApiSpecificStreamInfo = NULL;
// ************************************************************************
//filter for portaudio Windows hostapi's with non experts.
//only allow ASIO or WASAPI or WDM-KS
i = strncmp(Pa_GetHostApiInfo(deviceInfo->hostApi)->name, "ASIO", 4);
if (i==0 ) goto end_filter_hostapi;
i = strncmp(Pa_GetHostApiInfo(deviceInfo->hostApi)->name,
"Windows WASAPI", 14);
if (i==0 ) goto end_filter_hostapi;
i = strncmp(Pa_GetHostApiInfo(deviceInfo->hostApi)->name,
"Windows WDM-KS", 14);
if (i==0 ) goto end_filter_hostapi;
speed_warning=1;
end_filter_hostapi:;
// ************************************************************************
i=0;
while(standardSampleRates[i] > 0 && minStandardSampleRate==0) {
pa_err=Pa_IsFormatSupported(&inputParameters, NULL,
standardSampleRates[i] );
if(pa_err == paDeviceUnavailable) return -1;
if(pa_err == paInvalidDevice) return -1;
if(pa_err == paFormatIsSupported ) {
minStandardSampleRate=standardSampleRates[i];
}
i++;
}
if(minStandardSampleRate == 0) return -1;
j=i;
while(standardSampleRates[i] > 0 ) i++;
i--;
while(i >= j && maxStandardSampleRate==0) {
pa_err=Pa_IsFormatSupported(&inputParameters, NULL,
standardSampleRates[i] );
if(pa_err == paDeviceUnavailable) return -1;
if(pa_err == paInvalidDevice) return -1;
if( pa_err == paFormatIsSupported ) {
maxStandardSampleRate=standardSampleRates[i];
}
i--;
}
// check if min SampleRate = max SampleRate
if(maxStandardSampleRate==0 && (minStandardSampleRate != 0)) {
maxStandardSampleRate= minStandardSampleRate;
}
// check min and max bytes
minBytes=2;
maxBytes=2;
inputParameters.sampleFormat = paUInt8;
pa_err=Pa_IsFormatSupported(&inputParameters, NULL,
maxStandardSampleRate );
if( pa_err == paFormatIsSupported ) {
minBytes=1;
}
inputParameters.sampleFormat = paInt32;
pa_err=Pa_IsFormatSupported(&inputParameters, NULL,
maxStandardSampleRate );
if( pa_err == paFormatIsSupported ) {
maxBytes=4;
}
// check min channel count
maxInputChannels= deviceInfo->maxInputChannels;
inputParameters.channelCount = 1;
inputParameters.sampleFormat = paInt16;
pa_err=paFormatIsSupported+32000;
while(pa_err != paFormatIsSupported &&
( inputParameters.channelCount < (maxInputChannels+1)) ) {
pa_err=Pa_IsFormatSupported(&inputParameters, NULL,
maxStandardSampleRate );
inputParameters.channelCount++;
}
if( pa_err == paFormatIsSupported ) {
minInputChannels=inputParameters.channelCount-1;
} else {
return -1;
}
end_pa_get_device_info:;
*pa_device_max_speed=maxStandardSampleRate;
*pa_device_min_speed=minStandardSampleRate;
*pa_device_max_bytes=maxBytes;
*pa_device_min_bytes=minBytes;
*pa_device_max_channels= maxInputChannels;
*pa_device_min_channels= minInputChannels;
return speed_warning;
}
void paInputDevice(int id, char* hostAPI_DeviceName, int* minChan,
int* maxChan, int* minSpeed, int* maxSpeed)
{
int i;
char pa_device_name[128];
char pa_device_hostapi[128];
double pa_device_max_speed;
double pa_device_min_speed;
int pa_device_max_bytes;
int pa_device_min_bytes;
int pa_device_max_channels;
int pa_device_min_channels;
char p2[50];
char *p,*p1;
static int iret, valid_dev_cnt;
iret=pa_get_device_info (id,
&pa_device_name,
&pa_device_hostapi,
&pa_device_max_speed,
&pa_device_min_speed,
&pa_device_max_bytes,
&pa_device_min_bytes,
&pa_device_max_channels,
&pa_device_min_channels);
if (iret >= 0 ) {
valid_dev_cnt++;
p1=(char*)"";
p=strstr(pa_device_hostapi,"MME");
if(p!=NULL) p1=(char*)"MME";
p=strstr(pa_device_hostapi,"Direct");
if(p!=NULL) p1=(char*)"DirectX";
p=strstr(pa_device_hostapi,"WASAPI");
if(p!=NULL) p1=(char*)"WASAPI";
p=strstr(pa_device_hostapi,"ASIO");
if(p!=NULL) p1=(char*)"ASIO";
p=strstr(pa_device_hostapi,"WDM-KS");
if(p!=NULL) p1=(char*)"WDM-KS";
sprintf(p2,"%-8s %-39s",p1,pa_device_name);
for(i=0; i<50; i++) {
hostAPI_DeviceName[i]=p2[i];
if(p2[i]==0) break;
}
*minChan=pa_device_min_channels;
*maxChan=pa_device_max_channels;
*minSpeed=(int)pa_device_min_speed;
*maxSpeed=(int)pa_device_max_speed;
} else {
for(i=0; i<50; i++) {
hostAPI_DeviceName[i]=0;
}
*minChan=0;
*maxChan=0;
*minSpeed=0;
*maxSpeed=0;
}
}
void getDev(int* numDevices0, char hostAPI_DeviceName[][50],
int minChan[], int maxChan[],
int minSpeed[], int maxSpeed[])
{
int i,id,numDevices;
int minch,maxch,minsp,maxsp;
char apidev[256];
numDevices=Pa_GetDeviceCount();
*numDevices0=numDevices;
for(id=0; id<numDevices; id++) {
paInputDevice(id,apidev,&minch,&maxch,&minsp,&maxsp);
for(i=0; i<50; i++) {
hostAPI_DeviceName[id][i]=apidev[i];
}
hostAPI_DeviceName[id][49]=0;
minChan[id]=minch;
maxChan[id]=maxch;
minSpeed[id]=minsp;
maxSpeed[id]=maxsp;
}
}
|
