private void OnBandwidthChanged(int index)
{
if (_pc1 == null || _pc2 == null)
{
return;
}
ulong? bandwidth = bandwidthOptions.Values.ElementAt(index);
RTCRtpSender sender = _pc1.GetSenders().First();
RTCRtpSendParameters parameters = sender.GetParameters();
if (bandwidth == null)
{
parameters.encodings[0].maxBitrate = null;
parameters.encodings[0].minBitrate = null;
}
else
{
parameters.encodings[0].maxBitrate = bandwidth * 1000;
parameters.encodings[0].minBitrate = bandwidth * 1000;
}
RTCError error = sender.SetParameters(parameters);
if (error.errorType != RTCErrorType.None)
{
Debug.LogErrorFormat("RTCRtpSender.SetParameters failed {0}", error.errorType);
}
Debug.Log("SetParameters:" + bandwidth);
}
/// <summary>
///
/// </summary>
/// <param name="parameters"></param>
/// <returns></returns>
public RTCError SetParameters(RTCRtpSendParameters parameters)
{
if (Track is VideoStreamTrack videoTrack)
{
foreach (var encoding in parameters.encodings)
{
var scale = encoding.scaleResolutionDownBy;
if (!scale.HasValue)
{
continue;
}
var error = WebRTC.ValidateTextureSize((int)(videoTrack.Texture.width / scale),
(int)(videoTrack.Texture.height / scale), Application.platform, WebRTC.GetEncoderType());
if (error.errorType != RTCErrorType.None)
{
return(error);
}
}
}
parameters.CreateInstance(out RTCRtpSendParametersInternal instance);
IntPtr ptr = Marshal.AllocCoTaskMem(Marshal.SizeOf(instance));
Marshal.StructureToPtr(instance, ptr, false);
RTCErrorType type = NativeMethods.SenderSetParameters(GetSelfOrThrow(), ptr);
Marshal.FreeCoTaskMem(ptr);
return(new RTCError {
errorType = type
});
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public RTCRtpSendParameters GetParameters()
{
NativeMethods.SenderGetParameters(self, out var ptr);
RTCRtpSendParametersInternal parametersInternal = Marshal.PtrToStructure <RTCRtpSendParametersInternal>(ptr);
RTCRtpSendParameters parameters = new RTCRtpSendParameters(ref parametersInternal);
Marshal.FreeHGlobal(ptr);
return(parameters);
}
public RTCErrorType SetParameters(RTCRtpSendParameters parameters)
{
IntPtr ptr = parameters.CreatePtr();
RTCErrorType error = NativeMethods.SenderSetParameters(self, ptr);
RTCRtpSendParameters.DeletePtr(ptr);
return(error);
}
/// <summary>
///
/// </summary>
/// <param name="parameters"></param>
/// <returns></returns>
public RTCErrorType SetParameters(RTCRtpSendParameters parameters)
{
parameters.CreateInstance(out RTCRtpSendParametersInternal instance);
IntPtr ptr = Marshal.AllocCoTaskMem(Marshal.SizeOf(instance));
Marshal.StructureToPtr(instance, ptr, false);
RTCErrorType error = NativeMethods.SenderSetParameters(self, ptr);
Marshal.FreeCoTaskMem(ptr);
return(error);
}