/// <summary>
/// Initializes a new instance of the <see cref="AudioEngine"/> class.
/// </summary>
/// <param name="creationFlags">The creation flags.</param>
/// <param name="settings">Settings for this audio engine</param>
public AudioEngine(CreationFlags creationFlags, AudioEngineSettings settings)
{
bool debug = (creationFlags == CreationFlags.DebugMode);
bool audition = (creationFlags == CreationFlags.AuditionMode);
var debugRegistryKey = Registry.LocalMachine.OpenSubKey(DebugEngineRegistryKey);
// If neither the debug nor audition flags are set, see if the debug registry key is set
if (!debug && !audition && debugRegistryKey != null)
{
var value = debugRegistryKey.GetValue(DebugEngineRegistryValue);
if (value is Int32 && ((int)value) != 0)
debug = true;
debugRegistryKey.Close();
}
var selectedEngineCLSID = (debug) ? DebugEngineGuid : (audition) ? AuditionEngineGuid : EngineGuid;
Utilities.CreateComInstance(selectedEngineCLSID, Utilities.CLSCTX.ClsctxInprocServer, Utilities.GetGuidFromType(typeof(AudioEngine)), this);
unsafe
{
unmanagedDelegate = new NotificationCallbackDelegate(NotificationCallbackDelegateImpl);
unmanagedDelegatePointer = Marshal.GetFunctionPointerForDelegate(unmanagedDelegate);
}
// Initialize the engine
PreInitialize(settings);
Initialize(settings);
}
/// <summary>
/// Initializes a new instance of the <see cref="AudioEngine"/> class.
/// </summary>
/// <param name="creationFlags">The creation flags.</param>
/// <param name="settings">Settings for this audio engine</param>
public AudioEngine(CreationFlags creationFlags, AudioEngineSettings settings)
{
bool debug = (creationFlags == CreationFlags.DebugMode);
bool audition = (creationFlags == CreationFlags.AuditionMode);
var debugRegistryKey = Registry.LocalMachine.OpenSubKey(DebugEngineRegistryKey);
// If neither the debug nor audition flags are set, see if the debug registry key is set
if (!debug && !audition && debugRegistryKey != null)
{
var value = debugRegistryKey.GetValue(DebugEngineRegistryValue);
if (value is Int32 && ((int)value) != 0)
{
debug = true;
}
debugRegistryKey.Close();
}
var selectedEngineCLSID = (debug) ? DebugEngineGuid : (audition) ? AuditionEngineGuid : EngineGuid;
Utilities.CreateComInstance(selectedEngineCLSID, Utilities.CLSCTX.ClsctxInprocServer, Utilities.GetGuidFromType(typeof(AudioEngine)), this);
unsafe
{
unmanagedDelegate = new NotificationCallbackDelegate(NotificationCallbackDelegateImpl);
unmanagedDelegatePointer = Marshal.GetFunctionPointerForDelegate(unmanagedDelegate);
}
// Initialize the engine
PreInitialize(settings);
Initialize(settings);
}
/// <summary>
/// Initializes this instance from a settings file and a renderer index.
/// </summary>
/// <unmanaged>IXACT3Engine::Initialize</unmanaged>
private unsafe void PreInitialize(AudioEngineSettings runtimeParameters)
{
if (runtimeParameters.LookAheadTime == 0)
{
runtimeParameters.LookAheadTime = AudioEngineSettings.DefaultLookAhead;
}
runtimeParameters.FnNotificationCallback = unmanagedDelegatePointer;
var settingsFile = runtimeParameters.Settings;
// Init from a settings file
if (settingsFile != null)
{
settingsFile.Position = 0;
var settingsData = new byte[settingsFile.Length];
settingsFile.Read(settingsData, 0, settingsData.Length);
runtimeParameters.GlobalSettingsBufferPointer = Marshal.AllocCoTaskMem(settingsData.Length);
runtimeParameters.GlobalSettingsBufferSize = settingsData.Length;
runtimeParameters.GlobalSettingsFlags = 1;
Utilities.Write(runtimeParameters.GlobalSettingsBufferPointer, settingsData, 0, settingsData.Length);
}
}
/// <summary>
/// Initializes this instance from a settings file and a renderer index.
/// </summary>
/// <unmanaged>IXACT3Engine::Initialize</unmanaged>
private unsafe void PreInitialize(AudioEngineSettings runtimeParameters)
{
if (runtimeParameters.LookAheadTime == 0)
runtimeParameters.LookAheadTime = AudioEngineSettings.DefaultLookAhead;
runtimeParameters.FnNotificationCallback = unmanagedDelegatePointer;
var settingsFile = runtimeParameters.Settings;
// Init from a settings file
if (settingsFile != null)
{
settingsFile.Position = 0;
var settingsData = new byte[settingsFile.Length];
settingsFile.Read(settingsData, 0, settingsData.Length);
runtimeParameters.GlobalSettingsBufferPointer = Marshal.AllocCoTaskMem(settingsData.Length);
runtimeParameters.GlobalSettingsBufferSize = settingsData.Length;
runtimeParameters.GlobalSettingsFlags = 1;
Utilities.Write(runtimeParameters.GlobalSettingsBufferPointer, settingsData, 0, settingsData.Length);
}
}
