/// <summary>
/// 持有一个数据通道
/// </summary>
/// <param name="handler">数据通道指针</param>
internal protected RTCDataChannel(IntPtr handler) : base(handler)
{
_stateChange = () => this.OnStateChange();
_message = buffer => this.OnMessage(buffer);
_bufferedAmoutChange = state => this.OnBufferedAmoutChange(state);
this.observer = new WebrtcObjectRef(RTCDataChannel_RegisterObserver(handler, _stateChange, _message, _bufferedAmoutChange), "RTCDataChannel Observer");
}
/// <summary>
/// 添加监听器
/// </summary>
private void AddSink()
{
if (sink != null) return;
IntPtr ptr = default;
Dispatcher.Invoke(() => ptr = VideoTrack_AddSink(Handler, NativeDataReady));
if (ptr == IntPtr.Zero) throw new Exception("AddSink C++ Error");
sink = new WebrtcObjectUnref(ptr, "VideoTrack Sink");
}
/// <summary>
/// 从C++移除监听器
/// </summary>
private void RemoveSinkPrivate()
{
if (sink == null)
{
return;
}
AudioSource_RemoveSink(Handler, sink.Handler);
sink = null;
}
/// <summary>
/// 检查删除指针时，是否需要从缓存里面干掉
/// </summary>
/// <param name="val"></param>
private static void Val_BeforeDelete(WebrtcObject val)
{
val.BeforeDelete -= Val_BeforeDelete;
lock (senderCache)
{
var key = val.Handler.ToInt64();
senderCache.Remove(key);
}
}
/// <summary>
/// 删除监听器
/// </summary>
private void RemoveSink()
{
if (sink == null)
{
return;
}
Dispatcher.Invoke(() => VideoTrack_RemoveSink(Handler, sink.Handler));
sink = null;
}
/// <summary>
/// 添加监听器到C++
/// </summary>
protected virtual void AddSink()
{
if (sink != null)
{
return;
}
IntPtr ptr = AudioSource_AddSink(Handler, DataReadyCallback);
if (ptr == IntPtr.Zero)
{
throw new Exception("AddSink C++ Error");
}
sink = new WebrtcObjectRef(ptr, "AudioSource Sink");
}
/// <summary>
/// 添加监听器
/// </summary>
protected virtual void AddSink()
{
if (sink != null)
{
return;
}
IntPtr ptr = VideoSource_AddSink(Handler, NativeDataReady);
if (ptr == IntPtr.Zero)
{
throw new Exception("AddSink C++ Error");
}
sink = new WebrtcObjectUnref(ptr, "VideoSource Sink");
}
/// <summary>
/// 添加监听器到C++
/// </summary>
private void AddSink()
{
if (sink != null)
{
return;
}
IntPtr ptr = default;
Dispatcher.Invoke(() => ptr = AudioTrack_AddSink(Handler, DataReadyCallback));
if (ptr == IntPtr.Zero)
{
throw new Exception("AddSink C++ Error");
}
sink = new WebrtcObjectRef(ptr, "AudioTrack Sink");
}