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Disabled multiple AudioContext under linux.

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Moved AudioContext.LoadAvailableDevices() call outside the static constructor.
This commit is contained in:
the_fiddler 2008-01-22 21:18:47 +00:00
parent 0b10d4f16b
commit baf59abb6e
2 changed files with 21 additions and 13 deletions
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12
Source/Examples/OpenAL/TestAudioContext.cs
View file

@ -52,13 +52,13 @@ namespace Examples
context.MakeCurrent();
Trace.Assert(context.IsCurrent);
Trace.WriteLine("IsCurrent = false...");
context.IsCurrent = false;
Trace.Assert(!context.IsCurrent);
//Trace.WriteLine("IsCurrent = false...");
//context.IsCurrent = false;
//Trace.Assert(!context.IsCurrent);
Trace.WriteLine("IsCurrent = true...");
context.IsCurrent = true;
Trace.Assert(context.IsCurrent);
//Trace.WriteLine("IsCurrent = true...");
//context.IsCurrent = true;
//Trace.Assert(context.IsCurrent);
Trace.WriteLine("AudioContext.CurrentContext...");
Trace.Assert(AudioContext.CurrentContext == context);

22
Source/OpenTK/OpenAL/AudioContext.cs
View file

@ -41,10 +41,10 @@ namespace OpenTK.Audio
/// <summary>
/// Runs before the actual class constructor, to load available devices.
/// </summary>
static AudioContext()
{
LoadAvailableDevices();
}
//static AudioContext()
//{
// LoadAvailableDevices();
//}
#endregion
@ -208,6 +208,13 @@ namespace OpenTK.Audio
if (maxEfxSends < 0) throw new ArgumentOutOfRangeException("maxEfxSends", maxEfxSends, "Should be greater than zero.");
//if (available_devices.Count == 0) throw new NotSupportedException("No audio hardware is available.");
if (available_devices.Count == 0)
LoadAvailableDevices();
// HACK: Do not allow multiple contexts under linux (crashes under Ubuntu 7.04 and 7.10)
if (available_contexts.Count > 0)
throw new NotSupportedException("Multiple AudioContexts are not supported under Linux.");
device_handle = Alc.OpenDevice(device);
if (device_handle == IntPtr.Zero)
throw new AudioDeviceException("The specified audio device does not exist or is tied up by another application.");
@ -215,7 +222,7 @@ namespace OpenTK.Audio
CheckForAlcErrors();
device_name = device;
/*
// Build the attribute list
List<int> attributes = new List<int>();
@ -243,8 +250,7 @@ namespace OpenTK.Audio
}
context_handle = Alc.CreateContext(device_handle, attributes.ToArray());
*/
context_handle = Alc.CreateContext(device_handle, (int[])null);
if (context_handle == IntPtr.Zero)
{
Alc.CloseDevice(device_handle);
@ -318,6 +324,8 @@ namespace OpenTK.Audio
{
get
{
if (available_devices.Count == 0)
LoadAvailableDevices();
return available_devices.ToArray();
}
}