public AudioGraphEventArgs(AudioUnitRenderActionFlags actionFlags,
MonoMac.AudioToolbox.AudioTimeStamp timeStamp,
int busNumber,
int numberFrames,
AudioBufferList data)
: base(actionFlags, timeStamp, busNumber, numberFrames, data)
{
}
public AudioUnitEventArgs(AudioUnitRenderActionFlags actionFlags,
MonoMac.AudioToolbox.AudioTimeStamp timestamp,
int busNumber,
int frames,
AudioBufferList data)
{
ActionFlags = actionFlags;
this.TimeStamp = timestamp;
BusNumber = busNumber;
NumberFrames = frames;
Data = data;
}
public AudioUnitEventArgs(AudioUnitRenderActionFlags actionFlags,
MonoMac.AudioToolbox.AudioTimeStamp timestamp,
int busNumber,
int frames,
AudioBufferList data)
{
ActionFlags = actionFlags;
this.TimeStamp = timestamp;
BusNumber = busNumber;
NumberFrames = frames;
Data = data;
}
extern static AudioQueueStatus AudioQueueDeviceTranslateTime(IntPtr AQ, ref AudioTimeStamp inTime, out AudioTimeStamp translatedTime);
extern static AudioQueueStatus AudioQueueDeviceGetNearestStartTime(IntPtr AQ, ref AudioTimeStamp data, int flags);
extern static AudioQueueStatus AudioQueueDeviceGetCurrentTime(IntPtr AQ, ref AudioTimeStamp time);
extern static AudioQueueStatus AudioQueueStart(IntPtr AQ, ref AudioTimeStamp startTime);
public AudioUnitStatus TryRender(AudioUnitRenderActionFlags flags,
AudioTimeStamp timeStamp,
int outputBusnumber,
int numberFrames, AudioBufferList data)
{
return (AudioUnitStatus) AudioUnitRender(handle,
ref flags,
ref timeStamp,
outputBusnumber,
numberFrames,
data);
}
extern unsafe static AudioQueueStatus AudioQueueOfflineRender(IntPtr aq, ref AudioTimeStamp stamp, AudioQueueBuffer *buffer, int frames);
public unsafe InputCompletedEventArgs(IntPtr audioQueueBuffer, AudioTimeStamp timeStamp, AudioStreamPacketDescription [] pdec)
{
IntPtrBuffer = audioQueueBuffer;
TimeStamp = timeStamp;
PacketDescriptions = pdec;
}
static extern AudioUnitStatus AudioUnitRender(IntPtr inUnit, ref AudioUnitRenderActionFlags ioActionFlags, ref AudioTimeStamp inTimeStamp, uint inOutputBusNumber, uint inNumberFrames, IntPtr ioData);
public AudioUnitStatus Render (ref AudioUnitRenderActionFlags actionFlags, AudioTimeStamp timeStamp, uint busNumber, uint numberFrames, AudioBuffers data)
{
return AudioUnitRender (handle, ref actionFlags, ref timeStamp, busNumber, numberFrames, (IntPtr) data);
}
static AudioUnitStatus RenderCallbackImpl (IntPtr clientData, ref AudioUnitRenderActionFlags actionFlags, ref AudioTimeStamp timeStamp, uint busNumber, uint numberFrames, IntPtr data)
{
GCHandle gch = GCHandle.FromIntPtr (clientData);
var au = (AudioUnit) gch.Target;
return au.render (actionFlags, timeStamp, busNumber, numberFrames, new AudioBuffers (data));
}
static int renderCallback(IntPtr inRefCon, ref AudioUnitRenderActionFlags _ioActionFlags,
ref AudioTimeStamp _inTimeStamp,
int _inBusNumber,
int _inNumberFrames,
AudioBufferList _ioData)
{
// getting audiounit instance
var handler = GCHandle.FromIntPtr(inRefCon);
var inst = (AudioUnit)handler.Target;
// evoke event handler with an argument
if (inst.RenderCallback != null) {
var args = new AudioUnitEventArgs(
_ioActionFlags,
_inTimeStamp,
_inBusNumber,
_inNumberFrames,
_ioData);
inst.RenderCallback(inst, args);
}
return 0; // noerror
}
public AudioQueueStatus Start(AudioTimeStamp startTime)
{
return(AudioQueueStart(handle, ref startTime));
}
public void Render(AudioUnitRenderActionFlags flags,
AudioTimeStamp timeStamp,
int outputBusnumber,
int numberFrames, AudioBufferList data)
{
int err = AudioUnitRender(handle,
ref flags,
ref timeStamp,
outputBusnumber,
numberFrames,
data);
if (err != 0)
throw new AudioUnitException (err);
}
extern static AudioQueueStatus AudioQueueGetCurrentTime(IntPtr AQ, IntPtr timelineHandle, ref AudioTimeStamp time, ref bool discontinuty);
static extern int AudioUnitRender(IntPtr inUnit, ref AudioUnitRenderActionFlags ioActionFlags, ref AudioTimeStamp inTimeStamp, int inOutputBusNumber, int inNumberFrames, AudioBufferList ioData);
extern static OSStatus AudioQueueOfflineRender(IntPtr aq, ref AudioTimeStamp stamp, IntPtr buffer, int frames);