public static XtAttributes GetSampleAttributes(XtSample sample)
{
XtAttributes attributes = new XtAttributes();
XtNative.XtAudioGetSampleAttributes(sample, attributes);
return(attributes);
}
public unsafe XtStream AggregateStream(XtDevice[] devices, XtChannels[] channels,
double[] bufferSizes, int count, XtMix mix, bool interleaved, bool raw,
XtDevice master, XtStreamCallback streamCallback, XtXRunCallback xRunCallback, object user)
{
IntPtr str;
IntPtr channelsPtr = IntPtr.Zero;
IntPtr[] ds = devices.Select(d => d.d).ToArray();
XtStream stream = new XtStream(raw, streamCallback, xRunCallback, user);
try {
int size = Marshal.SizeOf(typeof(XtChannels));
channelsPtr = Marshal.AllocHGlobal(count * size);
for (int i = 0; i < count; i++)
{
Marshal.StructureToPtr(channels[i], new IntPtr((byte *)channelsPtr + i * size), false);
}
XtNative.HandleError(XtNative.XtServiceAggregateStream(s, ds, channelsPtr, bufferSizes, count,
mix, interleaved, master.d, stream.streamCallbackPtr, stream.xRunCallbackPtr, IntPtr.Zero, out str));
} finally {
if (channelsPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(channelsPtr);
}
}
stream.Init(str);
return(stream);
}
public XtLatency GetLatency()
{
XtLatency latency = new XtLatency();
XtNative.HandleError(XtNative.XtStreamGetLatency(s, latency));
return(latency);
}
public int GetFrames()
{
int frames;
XtNative.HandleError(XtNative.XtStreamGetFrames(s, out frames));
return(frames);
}
public XtDevice OpenDevice(int index)
{
IntPtr d;
XtNative.HandleError(XtNative.XtServiceOpenDevice(s, index, out d));
return(new XtDevice(d));
}
public int GetDeviceCount()
{
int count;
XtNative.HandleError(XtNative.XtServiceGetDeviceCount(s, out count));
return(count);
}
public bool SupportsAccess(bool interleaved)
{
bool supports;
XtNative.HandleError(XtNative.XtDeviceSupportsAccess(d, interleaved, out supports));
return(supports);
}
public XtDevice OpenDefaultDevice(bool output)
{
IntPtr d;
XtNative.HandleError(XtNative.XtServiceOpenDefaultDevice(s, output, out d));
return(d == IntPtr.Zero ? null : new XtDevice(d));
}
public int GetChannelCount(bool output)
{
int count;
XtNative.HandleError(XtNative.XtDeviceGetChannelCount(d, output, out count));
return(count);
}
public string GetName()
{
IntPtr name;
XtNative.HandleError(XtNative.XtDeviceGetName(d, out name));
return(XtNative.FreeStringFromUtf8(name));
}
public string GetChannelName(bool output, int index)
{
IntPtr name;
XtNative.HandleError(XtNative.XtDeviceGetChannelName(d, output, index, out name));
return(XtNative.FreeStringFromUtf8(name));
}
public bool SupportsFormat(XtFormat format)
{
bool supports;
XtNative.Format native = XtNative.Format.ToNative(format);
XtNative.HandleError(XtNative.XtDeviceSupportsFormat(d, ref native, out supports));
return(supports);
}
public XtBuffer GetBuffer(XtFormat format)
{
XtBuffer buffer = new XtBuffer();
XtNative.Format native = XtNative.Format.ToNative(format);
XtNative.HandleError(XtNative.XtDeviceGetBuffer(d, ref native, buffer));
return(buffer);
}
public void Dispose()
{
if (d != IntPtr.Zero)
{
XtNative.XtDeviceDestroy(d);
}
d = IntPtr.Zero;
}
public void Dispose()
{
if (s != IntPtr.Zero)
{
XtNative.XtStreamDestroy(s);
}
s = IntPtr.Zero;
}
public XtMix GetMix()
{
IntPtr mix;
XtNative.HandleError(XtNative.XtDeviceGetMix(d, out mix));
XtMix result = mix == IntPtr.Zero ? null : (XtMix)Marshal.PtrToStructure(mix, typeof(XtMix));
XtNative.XtAudioFree(mix);
return(result);
}
public XtStream OpenStream(XtFormat format, bool interleaved, bool raw, double bufferSize,
XtStreamCallback streamCallback, XtXRunCallback xRunCallback, object user)
{
IntPtr s;
XtStream stream = new XtStream(raw, streamCallback, xRunCallback, user);
XtNative.Format native = XtNative.Format.ToNative(format);
XtNative.HandleError(XtNative.XtDeviceOpenStream(d, ref native, interleaved,
bufferSize, stream.streamCallbackPtr, stream.xRunCallbackPtr, IntPtr.Zero, out s));
stream.Init(s);
return(stream);
}
public XtAudio(string id, IntPtr window, XtTraceCallback trace, XtFatalCallback fatal)
{
XtAudio.trace = trace;
XtAudio.win32Trace = trace == null ? null : new XtNative.TraceCallbackWin32(trace);
XtAudio.linuxTrace = trace == null ? null : new XtNative.TraceCallbackLinux(trace);
XtAudio.fatal = fatal;
XtAudio.win32Fatal = fatal == null ? null : new XtNative.FatalCallbackWin32(fatal);
XtAudio.linuxFatal = fatal == null ? null : new XtNative.FatalCallbackLinux(fatal);
Delegate traceDelegate = Environment.OSVersion.Platform == PlatformID.Win32NT ? (Delegate)win32Trace : linuxTrace;
Delegate fatalDelegate = Environment.OSVersion.Platform == PlatformID.Win32NT ? (Delegate)win32Fatal : linuxFatal;
IntPtr tracePtr = trace == null ? IntPtr.Zero : Marshal.GetFunctionPointerForDelegate(traceDelegate);
IntPtr fatalPtr = fatal == null ? IntPtr.Zero : Marshal.GetFunctionPointerForDelegate(fatalDelegate);
using (XtNative.Utf8Buffer buffer = new XtNative.Utf8Buffer(id))
XtNative.XtAudioInit(buffer.ptr, window, tracePtr, fatalPtr);
}
public XtSystem GetSystem() => XtNative.XtStreamGetSystem(s);
public static string GetVersion()
{
return(XtNative.StringFromUtf8(XtNative.XtAudioGetVersion()));
}
public XtCapabilities GetCapabilities()
{
return(XtNative.XtServiceGetCapabilities(s));
}
public string GetName()
{
return(XtNative.StringFromUtf8(XtNative.XtServiceGetName(s)));
}
public XtSystem GetSystem()
{
return(XtNative.XtServiceGetSystem(s));
}
public XtFormat GetFormat()
{
object native = Marshal.PtrToStructure(XtNative.XtStreamGetFormat(s), typeof(XtNative.Format));
return(((XtNative.Format)native).FromNative());
}
public static int GetServiceCount()
{
return(XtNative.XtAudioGetServiceCount());
}
public static XtService GetServiceByIndex(int index)
{
return(new XtService(XtNative.XtAudioGetServiceByIndex(index)));
}
public void Start() => XtNative.HandleError(XtNative.XtStreamStart(s));
public bool IsInterleaved() => XtNative.XtStreamIsInterleaved(s);
public static XtService GetServiceBySetup(XtSetup setup)
{
return(new XtService(XtNative.XtAudioGetServiceBySetup(setup)));
}
public static XtService GetServiceBySystem(XtSystem system)
{
return(new XtService(XtNative.XtAudioGetServiceBySystem(system)));
}
