internal void TriggerVCSpeaking(DiscordVoiceClient client, IncomingVoiceStream stream)
{
if (OnUserSpeaking != null)
{
Task.Run(() => OnUserSpeaking.Invoke(this, new VoiceChannelSpeakingEventArgs(client, stream)));
}
}
void HandleSpeaking(DiscordApiData payload, DiscordApiData data)
{
Snowflake userId = data.GetSnowflake("user_id").Value;
int ssrc = data.GetInteger("ssrc").Value;
bool isSpeaking = data.GetBoolean("speaking").Value;
OnUserSpeaking?.Invoke(this, new VoiceSpeakingEventArgs(userId, ssrc, isSpeaking));
}
protected override void HandlePacket(RTPPacketHeader header, byte[] payload)
{
// for some reason discord sends us voice packets before we get the user's ID. i don't think this impacts the audio tho; it seems like these packets don't have any voice data
if (header.Type == SupportedCodecs["opus"].PayloadType && _ssrcToUserDictionary.TryGetValue(header.SSRC, out ulong userId))
{
if (!_receivers.TryGetValue(userId, out IncomingVoiceStream receiver))
{
receiver = _receivers[userId] = new IncomingVoiceStream(this, userId);
if (OnUserSpeaking != null)
{
Task.Run(() => OnUserSpeaking.Invoke(this, _receivers[userId]));
}
}
if (payload.SequenceEqual(SilenceFrame))
{
receiver.SilenceFramesReceived++;
if (receiver.SilenceFramesReceived >= 10)
{
receiver.Close();
_receivers.Remove(receiver.UserId);
}
}
else
{
try
{
byte[] decoded = new byte[OpusEncoder.FrameBytes];
int length = _decoder.DecodeFrame(payload, 0, payload.Length, decoded, 0, false);
receiver.Enqueue(new DiscordVoicePacket(decoded));
}
catch (OpusException) { }
}
}
}
private void Socket_OnMessage(object sender, WebSocketSharp.MessageEventArgs e)
{
var payload = e.Data.Deserialize <DiscordVoiceResponse>();
Task.Run(() =>
{
switch (payload.Opcode)
{
case DiscordVoiceOpcode.Ready:
DiscordVoiceReady ready = payload.Deserialize <DiscordVoiceReady>();
SSRC = ready.SSRC;
SendSocketData(DiscordVoiceOpcode.SelectProtocol, new DiscordVoiceProtocolSelection()
{
Protocol = "udp",
ProtocolData = new DiscordVoiceProtocolData()
{
Host = ready.IP,
Port = ready.Port,
EncryptionMode = "xsalsa20_poly1305"
}
});
UdpClient.Connect(ready.IP, ready.Port);
break;
case DiscordVoiceOpcode.Speaking:
OnUserSpeaking?.Invoke(this, payload.Deserialize <DiscordVoiceSpeaking>());
break;
case DiscordVoiceOpcode.SessionDescription:
List <byte> why = new List <byte>();
foreach (byte item in payload.Deserialize <dynamic>().secret_key)
{
why.Add(item);
}
SecretKey = why.ToArray();
State = DiscordVoiceClientState.Connected;
OnConnected?.Invoke(this, null);
break;
case DiscordVoiceOpcode.Hello:
var ident = new DiscordVoiceIdentify()
{
GuildId = Server.Guild == null ? ChannelId : Server.Guild.Id,
UserId = _client.User.Id,
SessionId = _client.SessionId,
Token = Server.Token
};
SendSocketData(DiscordVoiceOpcode.Identify, ident);
try
{
while (true)
{
SendSocketData(DiscordVoiceOpcode.Heartbeat, DateTimeOffset.UtcNow.ToUnixTimeMilliseconds());
Thread.Sleep((int)payload.Deserialize <dynamic>().heartbeat_interval);
}
}
catch { }
break;
}
});
}
