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I use the ManagedBass library to modify a stream or create the stream if it is a local file. I route the output through the Discord api gateway to a bot so I have to set the channel to decode and everything works fine so far, I can set FX effects etc. However, I can't change the volume and balance of the channel, but when I enable the rotate FX effect from BassFX, the effect works fine.

Here is my Code to set the Channel:

if (resource.ToLower().StartsWith("http://") || resource.ToLower().StartsWith("https://"))
{
    ... Download Stuff
    h = Bass.CreateStream(resource, 0, BassFlags.Decode, null, IntPtr.Zero);
}
else 
{
    h = Bass.CreateStream(resource, 0, 0, BassFlags.Decode);
}

if (h == 0) return false;

int tStream = BassFx.TempoCreate(h, BassFlags.FxFreeSource | BassFlags.Decode);
if (tStream == 0) return false;
Handle = tStream;

And here is how I try to set the Volume for example:

Bass.ChannelSetAttribute(Handle, ChannelAttribute.Volume, value)

And here is my output stream for discord:

int read = 0;
using (AudioOutStream? stream = Client.CreatePCMStream(AudioApplication.Music))
{
    byte[] buffer = new byte[4096];
    do
    {
        read = Bass.ChannelGetData(Handle, buffer, buffer.Length);
        if (read > 0) stream.Write(buffer, 0, buffer.Length);
    }
    while (read > 0);
}
Zongo
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  • What I do know is that the volume and balance don't change the sample data, only the output, so it doesn't do very much on decode channels, but still I'd like to find a way to apply those properties to the sample data. – Zongo Aug 25 '23 at 22:41

0 Answers0