public override void Setup(WaveFormatEx format)
{
_format = new WaveFormatExtensible(format.nSamplesPerSec, format.wBitsPerSample, format.nChannels);
_voice = new SourceVoice(_xaudio2, _format);
_voice.StreamEnd += _voice_StreamEnd;
_voice.VoiceError += _voice_VoiceError;
_emitter = new Emitter
{
ChannelAzimuths = GetAzimuths(_format.Channels),
ChannelCount = _format.Channels,
ChannelRadius = 10,
CurveDistanceScaler = float.MinValue,
OrientFront = new Vector3(0, 0, 1),
OrientTop = new Vector3(0, 1, 0),
Position = new Vector3(0, 0, 0),
Velocity = new Vector3(0, 0, 0)
};
}
public WaveFormatEx GetSampleGrabberFormat(ISampleGrabber sampleGrabber)
{
int hr;
AMMediaType mediaInfo = new AMMediaType();
hr = sampleGrabber.GetConnectedMediaType(mediaInfo);
DsError.ThrowExceptionForHR(hr);
if ((mediaInfo.formatType != FormatType.WaveEx) || (mediaInfo.formatPtr == IntPtr.Zero))
{
throw new NotSupportedException("Unknown Grabber Media Format");
}
WaveFormatEx format = new WaveFormatEx();
format = (WaveFormatEx)Marshal.PtrToStructure(mediaInfo.formatPtr, typeof(WaveFormatEx));
Marshal.FreeCoTaskMem(mediaInfo.formatPtr);
mediaInfo.formatPtr = IntPtr.Zero;
return format;
}
public abstract void Setup(WaveFormatEx format);