hydra

Terminal replacement for Loopback — virtual audio devices and routing on macOS, from a ratatui TUI.
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main.c (3911B)

      1 //
      2 //  main.cpp
      3 //  BlackHoleTests
      4 //
      5 //  Created by Devin Roth on 2022-06-16.
      6 //
      7 
      8 #include <stdio.h>
      9 
     10 
     11 #define kDevice_HasInput false
     12 #define kDevice_HasOutput true
     13 
     14 #include "../BlackHole/BlackHole.c"
     15 
     16 
     17 
     18 int main(int argc, const char * argv[]) {
     19     
     20 #pragma unused(argc, argv)
     21     // insert code here...
     22     
     23     UInt32 size;
     24     UInt32* data;
     25     AudioObjectPropertyAddress address;
     26     
     27     // Owned Objects
     28     address.mSelector = kAudioObjectPropertyOwnedObjects;
     29     address.mScope = kAudioObjectPropertyScopeGlobal;
     30     assert(BlackHole_HasProperty(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address));
     31 
     32     BlackHole_GetPropertyDataSize(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, &size);
     33     assert(size == 12);
     34     
     35     address.mScope = kAudioObjectPropertyScopeInput;
     36     BlackHole_GetPropertyDataSize(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, &size);
     37     assert(size == 0);
     38     
     39     data = calloc(size, 1);
     40     BlackHole_GetPropertyData(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, size, &size, data);
     41     assert(data[0] == 0);
     42     free(data);
     43     
     44     address.mScope = kAudioObjectPropertyScopeOutput;
     45     BlackHole_GetPropertyDataSize(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, &size);
     46     assert(size == 12);
     47     
     48     data = calloc(size, 1);
     49     BlackHole_GetPropertyData(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, size, &size, data);
     50     assert(data[0] == 7);
     51     assert(data[1] == 8);
     52     assert(data[2] == 9);
     53     free(data);
     54     
     55     // Streams
     56     address.mSelector = kAudioDevicePropertyStreams;
     57     address.mScope = kAudioObjectPropertyScopeGlobal;
     58     assert(BlackHole_HasProperty(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address));
     59 
     60     BlackHole_GetPropertyDataSize(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, &size);
     61     assert(size == 4);
     62     
     63     address.mScope = kAudioObjectPropertyScopeInput;
     64     BlackHole_GetPropertyDataSize(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, &size);
     65     assert(size == 0);
     66     
     67     data = calloc(size, 1);
     68     BlackHole_GetPropertyData(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, size, &size, data);
     69     assert(data[0] == 0);
     70     free(data);
     71     
     72     address.mScope = kAudioObjectPropertyScopeOutput;
     73     BlackHole_GetPropertyDataSize(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, &size);
     74     assert(size == 4);
     75     
     76     data = calloc(size, 1);
     77     BlackHole_GetPropertyData(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, size, &size, data);
     78     assert(data[0] == 7);
     79     free(data);
     80     
     81     
     82     // Controls
     83     address.mSelector = kAudioClockDevicePropertyControlList;
     84     address.mScope = kAudioObjectPropertyScopeGlobal;
     85     assert(BlackHole_HasProperty(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address));
     86 
     87     BlackHole_GetPropertyDataSize(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, &size);
     88     assert(size == 8);
     89     
     90     address.mScope = kAudioObjectPropertyScopeInput;
     91     BlackHole_GetPropertyDataSize(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, &size);
     92     assert(size == 0);
     93     
     94     data = calloc(size, 1);
     95     BlackHole_GetPropertyData(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, size, &size, data);
     96     assert(data[0] == 0);
     97     free(data);
     98     
     99     address.mScope = kAudioObjectPropertyScopeOutput;
    100     BlackHole_GetPropertyDataSize(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, &size);
    101     assert(size == 8);
    102     
    103     data = calloc(size, 1);
    104     BlackHole_GetPropertyData(gAudioServerPlugInDriverRef, kObjectID_Device, 0, &address, 0, NULL, size, &size, data);
    105     assert(data[0] == 8);
    106     assert(data[1] == 9);
    107     free(data);
    108 
    109     
    110 
    111     
    112     return 0;
    113 }