static extern int AudioUnitSetProperty(IntPtr inUnit,
[MarshalAs(UnmanagedType.U4)] AudioUnitPropertyIDType inID,
[MarshalAs(UnmanagedType.U4)] AudioUnitScopeType inScope,
[MarshalAs(UnmanagedType.U4)] uint inElement,
AURenderCallbackStrct inData,
uint inDataSize
);
void BrokenSetRender()
{
var callbackStruct = new AURenderCallbackStrct();
callbackStruct.inputProc = renderCallback; // setting callback function
callbackStruct.inputProcRefCon = GCHandle.ToIntPtr(gcHandle); // a pointer that passed to the renderCallback (IntPtr inRefCon)
var err = AudioUnitSetProperty(handle,
AudioUnitPropertyIDType.SetRenderCallback,
AudioUnitScopeType.Input,
0, // 0 == speaker
callbackStruct,
(uint)Marshal.SizeOf(callbackStruct));
if (err != 0)
{
throw new AudioUnitException(err);
}
}
public AudioUnit(AudioComponent component)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
if (component.Handle == IntPtr.Zero)
{
throw new ObjectDisposedException("component");
}
int err = AudioComponentInstanceNew(component.handle, out handle);
if (err != 0)
{
throw new AudioUnitException(err);
}
_isPlaying = false;
gcHandle = GCHandle.Alloc(this);
var callbackStruct = new AURenderCallbackStrct();
callbackStruct.inputProc = renderCallback; // setting callback function
callbackStruct.inputProcRefCon = GCHandle.ToIntPtr(gcHandle); // a pointer that passed to the renderCallback (IntPtr inRefCon)
err = AudioUnitSetProperty(handle,
AudioUnitPropertyIDType.SetRenderCallback,
AudioUnitScopeType.Input,
0, // 0 == speaker
callbackStruct,
(uint)Marshal.SizeOf(callbackStruct));
if (err != 0)
{
throw new AudioUnitException(err);
}
}
static extern int AudioUnitSetProperty(IntPtr inUnit, [MarshalAs(UnmanagedType.U4)] AudioUnitPropertyIDType inID, [MarshalAs(UnmanagedType.U4)] AudioUnitScopeType inScope, [MarshalAs(UnmanagedType.U4)] uint inElement, AURenderCallbackStrct inData, uint inDataSize);
public AudioUnit (AudioComponent component)
{
if (component == null)
throw new ArgumentNullException ("component");
if (component.Handle == IntPtr.Zero)
throw new ObjectDisposedException ("component");
int err = AudioComponentInstanceNew (component.handle, out handle);
if (err != 0)
throw new AudioUnitException (err);
_isPlaying = false;
gcHandle = GCHandle.Alloc(this);
var callbackStruct = new AURenderCallbackStrct();
callbackStruct.inputProc = renderCallback; // setting callback function
callbackStruct.inputProcRefCon = GCHandle.ToIntPtr(gcHandle); // a pointer that passed to the renderCallback (IntPtr inRefCon)
err = AudioUnitSetProperty(handle,
AudioUnitPropertyIDType.SetRenderCallback,
AudioUnitScopeType.Input,
0, // 0 == speaker
callbackStruct,
(uint)Marshal.SizeOf(callbackStruct));
if (err != 0)
throw new AudioUnitException (err);
}
void BrokenSetRender ()
{
var callbackStruct = new AURenderCallbackStrct();
callbackStruct.inputProc = renderCallback; // setting callback function
callbackStruct.inputProcRefCon = GCHandle.ToIntPtr(gcHandle); // a pointer that passed to the renderCallback (IntPtr inRefCon)
var err = AudioUnitSetProperty(handle,
AudioUnitPropertyIDType.SetRenderCallback,
AudioUnitScopeType.Input,
0, // 0 == speaker
callbackStruct,
(uint)Marshal.SizeOf(callbackStruct));
if (err != 0)
throw new AudioUnitException (err);
}
public AudioUnit (IntPtr handle)
{
this.handle = handle;
_isPlaying = false;
gcHandle = GCHandle.Alloc(this);
var callbackStruct = new AURenderCallbackStrct();
callbackStruct.inputProc = renderCallback; // setting callback function
callbackStruct.inputProcRefCon = GCHandle.ToIntPtr(gcHandle); // a pointer that passed to the renderCallback (IntPtr inRefCon)
int err = AudioUnitSetProperty(handle,
AudioUnitPropertyIDType.SetRenderCallback,
AudioUnitScopeType.Input,
0, // 0 == speaker
callbackStruct,
(uint)Marshal.SizeOf(callbackStruct));
if (err != 0)
throw new AudioUnitException (err);
}