-
Notifications
You must be signed in to change notification settings - Fork 0
/
WebRtcNative.cs
365 lines (278 loc) · 14.1 KB
/
WebRtcNative.cs
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
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
using NLog;
using System;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Security;
#nullable disable
namespace ClassroomWindows
{
public class WebRtcNative : IDisposable
{
private const string dllName = "WebRtcNative.dll";
private IntPtr conductor = IntPtr.Zero;
private static readonly Logger logger = LogManager.GetCurrentClassLogger();
private WebRtcNative._OnRenderCallback _onRenderLocal;
private WebRtcNative._OnRenderCallback _onRenderRemote;
private WebRtcNative._OnErrorCallback _onError;
private WebRtcNative._OnSuccessCallback _onSuccess;
private WebRtcNative._OnFailureCallback _onFailure;
private WebRtcNative._OnDataMessageCallback _onDataMessage;
private WebRtcNative._OnDataBinaryMessageCallback _onDataBinaryMessage;
private WebRtcNative._OnIceCandidateCallback _onIceCandidate;
private WebRtcNative._OnSignalingChangeCallback _onSignalingChange;
private WebRtcNative._OnIceConnectionChangeCallback _onIceConnectionChange;
[DllImport("WebRtcNative.dll")]
private static extern IntPtr NewConductor();
[DllImport("WebRtcNative.dll")]
private static extern void DeleteConductor(IntPtr conductor);
[SuppressUnmanagedCodeSecurity]
[DllImport("WebRtcNative.dll")]
public static extern void InitializeSSL();
[SuppressUnmanagedCodeSecurity]
[DllImport("WebRtcNative.dll")]
public static extern void CleanupSSL();
[DllImport("WebRtcNative.dll")]
private static extern void onRenderLocal(IntPtr conductor, IntPtr callback);
[DllImport("WebRtcNative.dll")]
private static extern void onRenderRemote(IntPtr conductor, IntPtr callback);
[DllImport("WebRtcNative.dll")]
private static extern void onError(IntPtr conductor, IntPtr callback);
[DllImport("WebRtcNative.dll")]
private static extern void onSuccess(IntPtr conductor, IntPtr callback);
[DllImport("WebRtcNative.dll")]
private static extern void onFailure(IntPtr conductor, IntPtr callback);
[DllImport("WebRtcNative.dll")]
private static extern void onDataMessage(IntPtr conductor, IntPtr callback);
[DllImport("WebRtcNative.dll")]
private static extern void onDataBinaryMessage(IntPtr conductor, IntPtr callback);
[DllImport("WebRtcNative.dll")]
private static extern void onIceCandidate(IntPtr conductor, IntPtr callback);
[DllImport("WebRtcNative.dll")]
private static extern void onSignalingChange(IntPtr conductor, IntPtr callback);
[DllImport("WebRtcNative.dll")]
private static extern void onIceConnectionChange(IntPtr conductor, IntPtr callback);
[DllImport("WebRtcNative.dll")]
private static extern bool InitializePeerConnection(IntPtr conductor);
public bool InitializePeerConnection() => WebRtcNative.InitializePeerConnection(this.conductor);
[DllImport("WebRtcNative.dll")]
private static extern void CreateOffer(IntPtr conductor);
public void CreateOffer() => WebRtcNative.CreateOffer(this.conductor);
[DllImport("WebRtcNative.dll")]
private static extern void OnOfferReply(IntPtr conductor, string type, string sdp);
public void OnOfferReply(string type, string sdp)
{
WebRtcNative.OnOfferReply(this.conductor, type, sdp);
}
[DllImport("WebRtcNative.dll")]
private static extern bool AddIceCandidate(
IntPtr conductor,
string sdp_mid,
int sdp_mlineindex,
string sdp);
public bool AddIceCandidate(string sdp_mid, int sdp_mlineindex, string sdp)
{
return WebRtcNative.AddIceCandidate(this.conductor, sdp_mid, sdp_mlineindex, sdp);
}
[DllImport("WebRtcNative.dll")]
private static extern void CreateDataChannel(IntPtr conductor, string label);
public void CreateDataChannel(string label)
{
WebRtcNative.CreateDataChannel(this.conductor, label);
}
[DllImport("WebRtcNative.dll")]
private static extern void DataChannelSendText(IntPtr conductor, string text);
public void DataChannelSendText(string text)
{
WebRtcNative.DataChannelSendText(this.conductor, text);
}
[DllImport("WebRtcNative.dll")]
private static extern void DataChannelSendData(IntPtr conductor, byte[] data, int length);
public void DataChannelSendData(byte[] data, int length)
{
WebRtcNative.DataChannelSendData(this.conductor, data, length);
}
[DllImport("WebRtcNative.dll")]
[return: MarshalAs(UnmanagedType.SafeArray)]
private static extern string[] GetVideoDevices();
public static string[] VideoDevices() => WebRtcNative.GetVideoDevices();
[DllImport("WebRtcNative.dll")]
private static extern void SetVideoCapturer(
IntPtr conductor,
int width,
int height,
int caputureFps);
public void SetVideoCapturer(int width, int height, int caputureFps)
{
WebRtcNative.SetVideoCapturer(this.conductor, width, height, caputureFps);
}
[SuppressUnmanagedCodeSecurity]
[DllImport("WebRtcNative.dll")]
private static extern void PushFrame(IntPtr conductor, IntPtr img, int type);
public void PushFrame(IntPtr img, TJPF type = TJPF.TJPF_BGR)
{
WebRtcNative.PushFrame(this.conductor, img, (int) type);
}
[SuppressUnmanagedCodeSecurity]
[DllImport("WebRtcNative.dll")]
private static extern IntPtr CaptureFrameBGRX(IntPtr conductor, ref int width, ref int height);
public IntPtr CaptureFrameBGRX(ref int width, ref int height)
{
return WebRtcNative.CaptureFrameBGRX(this.conductor, ref width, ref height);
}
[SuppressUnmanagedCodeSecurity]
[DllImport("WebRtcNative.dll")]
private static extern void CaptureFrameAndPush(IntPtr conductor);
public void CaptureFrameAndPush() => WebRtcNative.CaptureFrameAndPush(this.conductor);
private static string HexPointer(IntPtr pointer)
{
return string.Format("0x{0:x}", (object) pointer.ToInt64());
}
[DllImport("WebRtcNative.dll")]
private static extern void SetAudio(IntPtr conductor, bool enable);
public void SetAudio(bool enable) => WebRtcNative.SetAudio(this.conductor, enable);
[DllImport("WebRtcNative.dll")]
private static extern void AddServerConfig(
IntPtr conductor,
string uri,
string username,
string password);
public void AddServerConfig(string uri, string username, string password)
{
WebRtcNative.AddServerConfig(this.conductor, uri, username, password);
}
[SuppressUnmanagedCodeSecurity]
[DllImport("WebRtcNative.dll")]
private static extern bool ProcessMessages(IntPtr conductor, int delay);
public bool ProcessMessages(int delay) => WebRtcNative.ProcessMessages(this.conductor, delay);
public event WebRtcNative.OnCallbackSdp OnSuccessOffer;
public event WebRtcNative.OnCallbackSdp OnSuccessAnswer;
public event WebRtcNative.OnCallbackSignalingChange OnSignalingChange;
public event WebRtcNative.OnCallbackIceConnectionChange OnIceConnectionChange;
public event WebRtcNative.OnCallbackIceCandidate OnIceCandidate;
public event Action<string> OnError;
public event WebRtcNative.OnCallbackError OnFailure;
public event WebRtcNative.OnCallbackDataMessage OnDataMessage;
public event WebRtcNative.OnCallbackDataBinaryMessage OnDataBinaryMessage;
public event WebRtcNative.OnCallbackRender OnRenderLocal;
public event WebRtcNative.OnCallbackRender OnRenderRemote;
static WebRtcNative()
{
string str = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "WebRtcNative.dll");
if (!File.Exists(str))
{
string message = "WebRtcNative: Cannot find DLL \"" + str + "\"";
WebRtcNative.logger.Error(message);
throw new Exception(message);
}
IntPtr pointer = Win32.LoadLibrary(str);
if (pointer == IntPtr.Zero)
{
string message = "WebRtcNative: Unable to load \"" + str + "\". " + Global.Win32ErrorMessage();
WebRtcNative.logger.Error(message);
throw new Exception(message);
}
WebRtcNative.logger.Debug("\"" + str + "\" module = " + WebRtcNative.HexPointer(pointer));
}
public WebRtcNative()
{
this.conductor = WebRtcNative.NewConductor();
WebRtcNative.logger.Trace("NewConductor = " + WebRtcNative.HexPointer(this.conductor));
this._onRenderLocal = new WebRtcNative._OnRenderCallback(this._OnRenderLocal);
WebRtcNative.onRenderLocal(this.conductor, Marshal.GetFunctionPointerForDelegate<WebRtcNative._OnRenderCallback>(this._onRenderLocal));
this._onRenderRemote = new WebRtcNative._OnRenderCallback(this._OnRenderRemote);
WebRtcNative.onRenderRemote(this.conductor, Marshal.GetFunctionPointerForDelegate<WebRtcNative._OnRenderCallback>(this._onRenderRemote));
this._onError = new WebRtcNative._OnErrorCallback(this._OnError);
WebRtcNative.onError(this.conductor, Marshal.GetFunctionPointerForDelegate<WebRtcNative._OnErrorCallback>(this._onError));
this._onSuccess = new WebRtcNative._OnSuccessCallback(this._OnSuccess);
WebRtcNative.onSuccess(this.conductor, Marshal.GetFunctionPointerForDelegate<WebRtcNative._OnSuccessCallback>(this._onSuccess));
this._onFailure = new WebRtcNative._OnFailureCallback(this._OnFailure);
WebRtcNative.onFailure(this.conductor, Marshal.GetFunctionPointerForDelegate<WebRtcNative._OnFailureCallback>(this._onFailure));
this._onDataMessage = new WebRtcNative._OnDataMessageCallback(this._OnDataMessage);
WebRtcNative.onDataMessage(this.conductor, Marshal.GetFunctionPointerForDelegate<WebRtcNative._OnDataMessageCallback>(this._onDataMessage));
this._onDataBinaryMessage = new WebRtcNative._OnDataBinaryMessageCallback(this._OnDataBinaryMessage);
WebRtcNative.onDataBinaryMessage(this.conductor, Marshal.GetFunctionPointerForDelegate<WebRtcNative._OnDataBinaryMessageCallback>(this._onDataBinaryMessage));
this._onIceCandidate = new WebRtcNative._OnIceCandidateCallback(this._OnIceCandidate);
WebRtcNative.onIceCandidate(this.conductor, Marshal.GetFunctionPointerForDelegate<WebRtcNative._OnIceCandidateCallback>(this._onIceCandidate));
this._onSignalingChange = new WebRtcNative._OnSignalingChangeCallback(this._OnSignalingChange);
WebRtcNative.onSignalingChange(this.conductor, Marshal.GetFunctionPointerForDelegate<WebRtcNative._OnSignalingChangeCallback>(this._onSignalingChange));
this._onIceConnectionChange = new WebRtcNative._OnIceConnectionChangeCallback(this._OnIceConnectionChange);
WebRtcNative.onIceConnectionChange(this.conductor, Marshal.GetFunctionPointerForDelegate<WebRtcNative._OnIceConnectionChangeCallback>(this._onIceConnectionChange));
}
public void Dispose()
{
WebRtcNative.logger.Trace("Conductor = " + WebRtcNative.HexPointer(this.conductor));
WebRtcNative.DeleteConductor(this.conductor);
}
private void _OnRenderLocal(IntPtr BGR24, uint w, uint h) => this.OnRenderLocal(BGR24, w, h);
private void _OnRenderRemote(IntPtr BGR24, uint w, uint h) => this.OnRenderRemote(BGR24, w, h);
private void _OnError()
{
WebRtcNative.logger.Error("");
this.OnError("webrtc error");
}
private void _OnSuccess(string type, string sdp)
{
WebRtcNative.logger.Debug("Type = " + type + ", SDP:" + Global.newLine + Global.IndentLines(sdp));
switch (type)
{
case "offer":
this.OnSuccessOffer(sdp);
break;
case "answer":
this.OnSuccessAnswer(sdp);
break;
}
}
private void _OnSignalingChange(int state)
{
WebRtcNative.logger.Trace(WebRTCModule.SignalingStateText(state));
this.OnSignalingChange(state);
}
private void _OnIceConnectionChange(int state)
{
WebRtcNative.logger.Trace(WebRTCModule.IceConnectionStateText(state));
this.OnIceConnectionChange(state);
}
private void _OnIceCandidate(string sdpMid, int sdpMLineIndex, string sdp)
{
WebRtcNative.logger.Trace(Global.newLine + "SDP = \"" + sdp + "\"," + Global.newLine + "SDP media stream ID = " + sdpMid + "," + Global.newLine + string.Format("SDP m-line index = {0}", (object) sdpMLineIndex));
this.OnIceCandidate(sdpMid, sdpMLineIndex, sdp);
}
private void _OnFailure(string error)
{
WebRtcNative.logger.Error("Error = " + error);
this.OnFailure(error);
}
private void _OnDataMessage(string msg)
{
WebRtcNative.logger.Trace("");
this.OnDataMessage(msg);
}
private void _OnDataBinaryMessage(IntPtr msg, uint size)
{
WebRtcNative.logger.Trace(string.Format("Size = {0}", (object) size));
byte[] numArray = new byte[(int) size];
Marshal.Copy(msg, numArray, 0, (int) size);
this.OnDataBinaryMessage(numArray);
}
private delegate void _OnRenderCallback(IntPtr BGR24, uint w, uint h);
private delegate void _OnErrorCallback();
private delegate void _OnSuccessCallback(string type, string sdp);
private delegate void _OnFailureCallback(string error);
private delegate void _OnDataMessageCallback(string msg);
private delegate void _OnDataBinaryMessageCallback(IntPtr msg, uint size);
private delegate void _OnIceCandidateCallback(string sdp_mid, int sdp_mline_index, string sdp);
private delegate void _OnSignalingChangeCallback(int state);
private delegate void _OnIceConnectionChangeCallback(int state);
public delegate void OnCallbackSdp(string sdp);
public delegate void OnCallbackSignalingChange(int state);
public delegate void OnCallbackIceConnectionChange(int state);
public delegate void OnCallbackIceCandidate(string sdp_mid, int sdp_mline_index, string sdp);
public delegate void OnCallbackError(string error);
public delegate void OnCallbackDataMessage(string msg);
public delegate void OnCallbackDataBinaryMessage(byte[] msg);
public delegate void OnCallbackRender(IntPtr BGR24, uint w, uint h);
}
}