using UnityEditor;
using UnityEngine;
namespace UnityMCP.Editor.Resources.Project
{
/// <summary>
/// Resource provider for audio settings.
/// </summary>
public static class AudioSettingsResource
{
/// <summary>
/// Gets audio configuration settings including speaker mode, DSP buffer size,
/// sample rate, and virtual voice settings.
/// </summary>
/// <returns>Object containing audio settings information.</returns>
[MCPResource("project://audio", "Audio settings including speaker mode, DSP buffer, and sample rate")]
public static object Get()
{
var audioConfiguration = AudioSettings.GetConfiguration();
return new
{
driver = new
{
speakerMode = AudioSettings.speakerMode.ToString(),
driverCapabilities = AudioSettings.driverCapabilities.ToString(),
outputSampleRate = AudioSettings.outputSampleRate
},
configuration = new
{
speakerMode = audioConfiguration.speakerMode.ToString(),
dspBufferSize = audioConfiguration.dspBufferSize,
sampleRate = audioConfiguration.sampleRate,
numRealVoices = audioConfiguration.numRealVoices,
numVirtualVoices = audioConfiguration.numVirtualVoices
},
projectSettings = GetProjectAudioSettings(),
runtime = new
{
dspTime = AudioSettings.dspTime,
isAudioDisabled = AudioSettings.GetSpatializerPluginName() == null
}
};
}
private static object GetProjectAudioSettings()
{
// Load the AudioManager asset to read project audio settings
var audioManagerAssets = AssetDatabase.LoadAllAssetsAtPath("ProjectSettings/AudioManager.asset");
if (audioManagerAssets == null || audioManagerAssets.Length == 0)
{
return new
{
error = "Could not load AudioManager.asset"
};
}
var serializedObject = new SerializedObject(audioManagerAssets[0]);
var defaultSpeakerMode = serializedObject.FindProperty("Default Speaker Mode");
var systemSampleRate = serializedObject.FindProperty("m_SampleRate");
var dspBufferSize = serializedObject.FindProperty("m_DSPBufferSize");
var virtualVoiceCount = serializedObject.FindProperty("m_VirtualVoiceCount");
var realVoiceCount = serializedObject.FindProperty("m_RealVoiceCount");
var spatializerPlugin = serializedObject.FindProperty("m_SpatializerPlugin");
var ambisonicDecoderPlugin = serializedObject.FindProperty("m_AmbisonicDecoderPlugin");
var disableAudio = serializedObject.FindProperty("m_DisableAudio");
var virtualizeEffects = serializedObject.FindProperty("m_VirtualizeEffects");
var requestedDSPBufferSize = serializedObject.FindProperty("m_RequestedDSPBufferSize");
return new
{
defaultSpeakerMode = GetSpeakerModeName(defaultSpeakerMode?.intValue ?? 2),
systemSampleRate = systemSampleRate?.intValue ?? 0,
dspBufferSize = GetDSPBufferSizeName(dspBufferSize?.intValue ?? 0),
requestedDSPBufferSize = requestedDSPBufferSize?.intValue ?? 0,
virtualVoiceCount = virtualVoiceCount?.intValue ?? 512,
realVoiceCount = realVoiceCount?.intValue ?? 32,
spatializerPlugin = spatializerPlugin?.stringValue ?? "",
ambisonicDecoderPlugin = ambisonicDecoderPlugin?.stringValue ?? "",
disableAudio = disableAudio?.boolValue ?? false,
virtualizeEffects = virtualizeEffects?.boolValue ?? true
};
}
private static string GetSpeakerModeName(int mode)
{
return mode switch
{
0 => "Raw",
1 => "Mono",
2 => "Stereo",
3 => "Quad",
4 => "Surround",
5 => "Mode5point1",
6 => "Mode7point1",
7 => "Prologic",
_ => $"Unknown ({mode})"
};
}
private static string GetDSPBufferSizeName(int size)
{
return size switch
{
0 => "Default",
1 => "Best latency",
2 => "Good latency",
3 => "Best performance",
_ => $"Custom ({size})"
};
}
}
}
