blob: 73ca15c698acf613f5d2090c62646286c375c31e (
plain)
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
|
using System.Runtime.InteropServices;
using Whisper.Internal;
namespace Whisper
{
/// <summary>Extension methods of these COM interfaces</summary>
public static class ExtensionMethods
{
/// <summary>Create a context to transcribe audio with this model</summary>
public static Context createContext( this iModel model )
{
iContext ctx = model.createContextInternal();
return new Context( ctx );
}
/// <summary>Convert language into a short ID string, like <c>"en"</c></summary>
public static string getCode( this eLanguage lang )
{
unsafe
{
sbyte* ptr = stackalloc sbyte[ 5 ];
*(uint*)ptr = (uint)lang;
ptr[ 4 ] = 0;
return new string( ptr );
}
}
/// <summary>Resolve integer token ID into string.</summary>
/// <remarks>If the token ID was not found in the model, the method returns null without raising exceptions.</remarks>
public static string? stringFromToken( this iModel model, int idToken ) =>
Marshal.PtrToStringUTF8( model.stringFromTokenInternal( idToken ) );
/// <summary>List capture devices</summary>
public static CaptureDeviceId[]? listCaptureDevices( this iMediaFoundation mf )
{
List<CaptureDeviceId>? list = null;
pfnFoundCaptureDevices pfn = delegate ( int len, sCaptureDevice[]? arr, IntPtr pv )
{
try
{
if( len == 0 || arr == null )
return 1;
list = new List<CaptureDeviceId>( len );
foreach( var i in arr )
list.Add( new CaptureDeviceId( i ) );
return 0;
}
catch( Exception ex )
{
NativeLogger.captureException( ex );
return ex.HResult;
}
};
mf.listCaptureDevices( pfn, IntPtr.Zero );
return list?.ToArray();
}
/// <summary>Open audio capture device</summary>
public static iAudioCapture openCaptureDevice( this iMediaFoundation mf, in CaptureDeviceId id, in sCaptureParams? cp = null )
{
sCaptureParams captureParams = cp ?? new sCaptureParams();
return mf.openCaptureDevice( id.endpoint, ref captureParams );
}
}
}
|
