raylib-cs/Raylib-cs/types/AudioMixed.cs

using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

namespace Raylib_cs;

internal static unsafe class AudioMixed
{
    public static AudioCallback<float> Callback = null;

    [UnmanagedCallersOnly(CallConvs = new[]
    {
        typeof(CallConvCdecl),
    })]
    public static void Processor(void* buffer, uint frames)
    {
        // The buffer is stereo audio, so we need to double our frame count.
        frames = Math.Min(frames * 2, int.MaxValue);

        Span<float> floats = new(buffer, (int)frames);
        Callback?.Invoke(floats);
    }
}