internal NativeR128Analyzer(uint channels, uint sampleRate, GroupToken groupToken)
{
Contract.Requires(channels > 0);
Contract.Requires(groupToken != null);
Contract.Ensures(_channels == channels);
Contract.Ensures(_groupToken == groupToken);
Contract.Ensures(_handle != null);
Contract.Ensures(!_handle.IsInvalid);
Contract.Ensures(_groupState != null);
_channels = channels;
_groupToken = groupToken;
_handle = SafeNativeMethods.Initialize(channels, sampleRate, Mode.Global | Mode.SamplePeak);
_groupState = _globalHandles.GetOrAdd(groupToken, new NativeR128GroupState());
_groupState.Handles.Add(_handle);
}
internal static extern Ebur128Error GetLoudness(NativeStateHandle handle, out double result);
internal static extern Ebur128Error GetSamplePeak(NativeStateHandle handle, uint channel, out double result);
internal static extern Ebur128Error AddFrames(NativeStateHandle handle, float[] source, UIntPtr count);
