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namespace DiscoBot.Commands
{
using System.Diagnostics;
using System.Threading.Tasks;
using Discord;
using Discord.Audio;
using Discord.Commands;
public class Voice : ModuleBase
{
public static IAudioClient Client { get; set; }
[Command("join", RunMode = RunMode.Async)]
public async Task JoinChannelAsync(IVoiceChannel channel = null)
{
var msg = this.Context.Message;
// Get the audio channel
channel = channel ?? (msg.Author as IGuildUser)?.VoiceChannel;
if (channel == null)
{
await msg.Channel.SendMessageAsync(
"User must be in a voice channel, or a voice channel must be passed as an argument.");
return;
}
// For the next step with transmitting audio, you would want to pass this Audio Client in to a service.
var audioClient = await channel.ConnectAsync();
Client = audioClient;
}
[Command("leave", RunMode = RunMode.Async)]
public async Task LeaveChannelAsync(IVoiceChannel channel = null)
{
if (Client != null)
{
await Client.StopAsync();
Client = null;
}
}
[Command("play")]
public Task PlayAudioAsync(string path)
{
return Client == null ? this.Context.Channel.SendMessageAsync("Erst Joinen!") : SendAsync(path);
}
private static Process CreateStream(string path)
{
var ffmpeg = new ProcessStartInfo
{
FileName = "ffmpeg",
Arguments = $"-i {path} -ac 2 -f s16le -ar 48000 -ab 620000 pipe:1",
UseShellExecute = false,
RedirectStandardOutput = true,
};
return Process.Start(ffmpeg);
}
private static async Task SendAsync(string path)
{
// Create FFmpeg using the previous example
var ffmpeg = CreateStream(path);
var output = ffmpeg.StandardOutput.BaseStream;
var discord = Client.CreatePCMStream(AudioApplication.Music);
await output.CopyToAsync(discord);
await discord.FlushAsync();
}
}
}
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