OfflineTts.cs
3.0 KB
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
/// Copyright (c) 2024.5 by 东风破
using System;
using System.Runtime.InteropServices;
using System.Text;
namespace SherpaOnnx
{
// IntPtr is actually a `const float*` from C++
public delegate int OfflineTtsCallback(IntPtr samples, int n);
public class OfflineTts : IDisposable
{
public OfflineTts(OfflineTtsConfig config)
{
IntPtr h = SherpaOnnxCreateOfflineTts(ref config);
_handle = new HandleRef(this, h);
}
public OfflineTtsGeneratedAudio Generate(String text, float speed, int speakerId)
{
byte[] utf8Bytes = Encoding.UTF8.GetBytes(text);
IntPtr p = SherpaOnnxOfflineTtsGenerate(_handle.Handle, utf8Bytes, speakerId, speed);
return new OfflineTtsGeneratedAudio(p);
}
public OfflineTtsGeneratedAudio GenerateWithCallback(String text, float speed, int speakerId, OfflineTtsCallback callback)
{
byte[] utf8Bytes = Encoding.UTF8.GetBytes(text);
IntPtr p = SherpaOnnxOfflineTtsGenerateWithCallback(_handle.Handle, utf8Bytes, speakerId, speed, callback);
return new OfflineTtsGeneratedAudio(p);
}
public void Dispose()
{
Cleanup();
// Prevent the object from being placed on the
// finalization queue
System.GC.SuppressFinalize(this);
}
~OfflineTts()
{
Cleanup();
}
private void Cleanup()
{
SherpaOnnxDestroyOfflineTts(_handle.Handle);
// Don't permit the handle to be used again.
_handle = new HandleRef(this, IntPtr.Zero);
}
private HandleRef _handle;
public int SampleRate
{
get
{
return SherpaOnnxOfflineTtsSampleRate(_handle.Handle);
}
}
public int NumSpeakers
{
get
{
return SherpaOnnxOfflineTtsNumSpeakers(_handle.Handle);
}
}
[DllImport(Dll.Filename)]
private static extern IntPtr SherpaOnnxCreateOfflineTts(ref OfflineTtsConfig config);
[DllImport(Dll.Filename)]
private static extern void SherpaOnnxDestroyOfflineTts(IntPtr handle);
[DllImport(Dll.Filename)]
private static extern int SherpaOnnxOfflineTtsSampleRate(IntPtr handle);
[DllImport(Dll.Filename)]
private static extern int SherpaOnnxOfflineTtsNumSpeakers(IntPtr handle);
[DllImport(Dll.Filename)]
private static extern IntPtr SherpaOnnxOfflineTtsGenerate(IntPtr handle, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.I1)] byte[] utf8Text, int sid, float speed);
[DllImport(Dll.Filename, CallingConvention = CallingConvention.Cdecl)]
private static extern IntPtr SherpaOnnxOfflineTtsGenerateWithCallback(IntPtr handle, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.I1)] byte[] utf8Text, int sid, float speed, OfflineTtsCallback callback);
}
}