[Bug]: Voice receiving broken #3188
Description
Check The Docs
- I double checked the docs and couldn't find any useful information.
Verify Issue Source
- I verified the issue was caused by Discord.Net.
Check your intents
- I double checked that I have the required intents.
Description
After the fix given in #3183 the bot can now connect to voice channels, however it now spews out errors regarding decrypting the audio stream when you try to read incoming frames.
Version
3.18.0-nightly.20250913.625
Working Version
No response
Logs
16:13:06 Discord Discord.Net v3.18.0-nightly.20250913.625+8883596c31d61771d9c34964ac7eb2554a95277e (API v10)
16:13:06 Gateway Connecting
16:13:06 Gateway Connecting ApiClient
16:13:07 Rest GET gateway/bot: 329.06 ms
16:13:07 Gateway Received Hello
16:13:07 Gateway Heartbeat Started
16:13:07 Gateway Identifying
16:13:07 Gateway Sent Heartbeat
16:13:07 Gateway Sent Identify
16:13:07 Gateway Received HeartbeatAck
16:13:07 Gateway Latency = 94 ms
16:13:07 Gateway Received Dispatch (READY)
16:13:07 Gateway GuildDownloader Started
16:13:07 Gateway You're using the GuildScheduledEvents gateway intent without listening to any events related to that intent, consider removing the intent from your config.
16:13:07 Gateway You're using the GuildInvites gateway intent without listening to any events related to that intent, consider removing the intent from your config.
16:13:07 Gateway Connected
16:13:07 Gateway Raising Event
16:13:07 Gateway Received Dispatch (GUILD_AVAILABLE)
16:13:07 Gateway Connected to bot testing
16:13:08 Gateway GuildDownloader Stopped
Registered commands
16:13:08 Gateway Ready
16:13:14 Gateway Received Dispatch (INTERACTION_CREATE)
16:13:15 Gateway Received Dispatch (MESSAGE_CREATE)
16:13:15 Rest POST channels/1036085200125427766/messages: 366.7 ms
16:13:24 Gateway Received Dispatch (INTERACTION_CREATE)
16:13:24 Gateway Sent VoiceStateUpdate
16:13:24 Gateway Sent VoiceStateUpdate
16:13:24 Gateway Received Dispatch (VOICE_STATE_UPDATE)
16:13:25 Gateway Received Dispatch (VOICE_SERVER_UPDATE)
16:13:25 Audio #1 Connecting
16:13:25 Audio #1 Connecting ApiClient. Voice server: wss://c-sea01-384d940d.discord.media:2053
16:13:25 Audio #1 Received Hello
16:13:25 Audio #1 Listening on port 53977
16:13:25 Audio #1 Sending Identity
16:13:25 Audio #1 Sent Identify
16:13:25 Audio #1 Received Ready
16:13:25 Audio #1 Sent Discovery
16:13:25 Audio #1 Heartbeat Started
16:13:25 Audio #1 Sent Heartbeat
16:13:25 Audio #1 Received Discovery
16:13:25 Audio #1 Sent SelectProtocol
16:13:25 Audio #1 Received HeartbeatAck
16:13:25 Audio #1 Latency = 15 ms
16:13:25 Audio #1 Received SessionDescription
16:13:25 Audio #1 Sent Speaking
16:13:25 Audio #1 Keepalive Started
16:13:25 Audio #1 Connected
16:13:25 Audio #1 Raising Event
16:13:25 Audio #1 Unknown OpCode (15)
16:13:25 Gateway Received Dispatch (MESSAGE_CREATE)
16:13:25 Rest POST interactions/1417649620540199022/aW50ZXJhY3Rpb246MTQxNzY0OTYyMDU0MDE5OTAyMjppdFk0RnNzZ2lvclFBc1NLMklGY2l5SlZ4cXFtdTdBR2ZZaGtTNVEyQlAyY3ZBem5TRVVZSmxldUNuUHRPV3ZSbEliZTB2MHpUam5aN3Jzb0t6YTVkalNTOXkwOG9hUUUwcHpzejMzSUFYcEdvUzVSRUIzeDNDWVBnSHg3cnA3Wg/callback: 248.84 ms
16:13:25 Gateway Received Dispatch (VOICE_STATE_UPDATE)
Stream Created: 204735759339487232
16:13:25 Audio #1 Malformed Frame
16:13:26 Audio #1 Received ClientConnect
16:13:26 Audio #1 Malformed Frame
16:13:26 Audio #1 Unknown SSRC 12178
16:13:26 Audio #1 Unknown SSRC 12178
16:13:26 Audio #1 Unknown SSRC 12178
16:13:26 Audio #1 Unknown SSRC 12178
16:13:26 Audio #1 Unknown SSRC 12178
16:13:26 Audio #1 Unknown SSRC 12178
16:13:26 Audio #1 Unknown SSRC 12178
16:13:26 Audio #1 Unknown SSRC 12178
16:13:26 Audio #1 Unknown SSRC 12178
16:13:26 Audio #1 Unknown SSRC 12178
16:13:26 Audio #1 Received Speaking
16:13:26 Audio #1 Malformed Frame:
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at Discord.Audio.Streams.SodiumDecryptStream.WriteAsync(Byte[] buffer, Int32 offset, Int32 count, CancellationToken cancelToken)
at System.IO.Stream.WriteAsync(Byte[] buffer, Int32 offset, Int32 count)
at Discord.Audio.AudioClient.ProcessPacketAsync(Byte[] packet)
(^Theres like 100 more of these that I snipped out)
16:13:27 Audio #1 Malformed Frame
16:13:28 Audio #1 Malformed Frame
16:13:29 Audio #1 Malformed Frame
16:13:30 Gateway Received Dispatch (VOICE_STATE_UPDATE)
16:13:30 Audio #1 Received ClientDisconnect
Error reading audio stream for user 204735759339487232: Cannot access a disposed object.
Object name: 'System.Threading.SemaphoreSlim'.
16:13:30 Audio #1 Malformed Frame
16:13:31 Audio #1 Malformed FrameSample
public class VoiceInteractions : InteractionModuleBase
{
[CommandContextType(InteractionContextType.Guild)]
[SlashCommand("join", "Join voice")]
public async Task JoinVoiceCommand(IVoiceChannel? channel = null)
{
channel = channel ?? (Context.User as IGuildUser)?.VoiceChannel;
if (channel == null) { await Context.Channel.SendMessageAsync("User must be in a voice channel, or a voice channel must be passed as an argument."); return; }
var audioClient = await channel.ConnectAsync();
audioClient.StreamCreated += AudioClient_StreamCreated;
await RespondAsync("Connected to voice", ephemeral: true);
}
private async Task AudioClient_StreamCreated(ulong userId, AudioInStream inStream)
{
Console.WriteLine("Stream Created: " + userId);
_ = Task.Run(async () => await ReadAudioStream(userId, inStream));
}
private async Task ReadAudioStream(ulong userId, AudioInStream inStream)
{
try
{
while (true)
{
if (inStream.TryReadFrame(CancellationToken.None, out var frame))
{
Console.WriteLine("Got frame: " + frame);
}
}
}
catch (Exception ex)
{
Console.WriteLine($"Error reading audio stream for user {userId}: {ex.Message}");
}
}
}Packages
None
Environment
Windows 11 26100.6584 x64
.NET 9.0 (occurs in 6.0 too)