using System;
using System.Runtime.InteropServices;

namespace RubberBand
{
	internal class RubberBandNativeMethods
	{
		public static IntPtr RubberBandStretcher_Create(IntPtr sampleRate, IntPtr channels, int options = 0, double initialTimeRatio = 1.0, double initialPitchScale = 1.0)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_Create(sampleRate, channels, options, initialTimeRatio, initialPitchScale);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_Create(sampleRate, channels, options, initialTimeRatio, initialPitchScale);
		}

		public static void RubberBandStretcher_Delete(IntPtr rbs)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_Delete(rbs);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_Delete(rbs);
		}

		public static void RubberBandStretcher_Reset(IntPtr rbs)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_Reset(rbs);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_Reset(rbs);
		}

		public static void RubberBandStretcher_SetTimeRatio(IntPtr rbs, double ratio)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetTimeRatio(rbs, ratio);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetTimeRatio(rbs, ratio);
		}

		public static void RubberBandStretcher_SetPitchScale(IntPtr rbs, double scale)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetPitchScale(rbs, scale);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetPitchScale(rbs, scale);
		}

		public static double RubberBandStretcher_GetTimeRatio(IntPtr rbs)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_GetTimeRatio(rbs);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_GetTimeRatio(rbs);
		}

		public static double RubberBandStretcher_GetPitchScale(IntPtr rbs)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_GetPitchScale(rbs);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_GetPitchScale(rbs);
		}

		public static IntPtr RubberBandStretcher_GetLatency(IntPtr rbs)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_GetLatency(rbs);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_GetLatency(rbs);
		}

		public static void RubberBandStretcher_SetTransientsOption(IntPtr rbs, int options)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetTransientsOption(rbs, options);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetTransientsOption(rbs, options);
		}

		public static void RubberBandStretcher_SetDetectorOption(IntPtr rbs, int options)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetDetectorOption(rbs, options);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetDetectorOption(rbs, options);
		}

		public static void RubberBandStretcher_SetPhaseOption(IntPtr rbs, int options)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetPhaseOption(rbs, options);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetPhaseOption(rbs, options);
		}

		public static void RubberBandStretcher_SetFormantOption(IntPtr rbs, int options)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetFormantOption(rbs, options);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetFormantOption(rbs, options);
		}

		public static void RubberBandStretcher_SetPitchOption(IntPtr rbs, int options)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetPitchOption(rbs, options);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetPitchOption(rbs, options);
		}

		public static void RubberBandStretcher_SetExpectedInputDuration(IntPtr rbs, IntPtr samples)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetExpectedInputDuration(rbs, samples);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetExpectedInputDuration(rbs, samples);
		}

		public static void RubberBandStretcher_SetMaxProcessSize(IntPtr rbs, IntPtr samples)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetMaxProcessSize(rbs, samples);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetMaxProcessSize(rbs, samples);
		}

		public static IntPtr RubberBandStretcher_GetSamplesRequired(IntPtr rbs)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_GetSamplesRequired(rbs);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_GetSamplesRequired(rbs);
		}

		public static void RubberBandStretcher_SetKeyFrameMap(IntPtr rbs, IntPtr[] mappingData, int numberOfMappings)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetKeyFrameMap(rbs, mappingData, numberOfMappings);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetKeyFrameMap(rbs, mappingData, numberOfMappings);
		}

		public static void RubberBandStretcher_Study(IntPtr rbs, float[] input, IntPtr samples, int channels, bool final)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_Study(rbs, input, samples, channels, final);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_Study(rbs, input, samples, channels, final);
		}

		public static void RubberBandStretcher_Process(IntPtr rbs, float[] input, IntPtr samples, int channels, bool final)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_Process(rbs, input, samples, channels, final);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_Process(rbs, input, samples, channels, final);
		}

		public static int RubberBandStretcher_Available(IntPtr rbs)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_Available(rbs);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_Available(rbs);
		}

		public static IntPtr RubberBandStretcher_Retrieve(IntPtr rbs, float[] output, IntPtr samples, int channels)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_Retrieve(rbs, output, samples, channels);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_Retrieve(rbs, output, samples, channels);
		}

		public static float RubberBandStretcher_GetFrequencyCutoff(IntPtr rbs, int n)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_GetFrequencyCutoff(rbs, n);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_GetFrequencyCutoff(rbs, n);
		}

		public static void RubberBandStretcher_SetFrequencyCutoff(IntPtr rbs, int n, float f)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetFrequencyCutoff(rbs, n, f);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetFrequencyCutoff(rbs, n, f);
		}

		public static IntPtr RubberBandStretcher_GetInputIncrement(IntPtr rbs)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_GetInputIncrement(rbs);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_GetInputIncrement(rbs);
		}

		public static IntPtr RubberBandStretcher_GetOutputIncrements(IntPtr rbs, int[] buffer, IntPtr bufferSize)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_GetOutputIncrements(rbs, buffer, bufferSize);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_GetOutputIncrements(rbs, buffer, bufferSize);
		}

		public static IntPtr RubberBandStretcher_GetPhaseResetCurve(IntPtr rbs, float[] buffer, IntPtr bufferSize)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_GetPhaseResetCurve(rbs, buffer, bufferSize);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_GetPhaseResetCurve(rbs, buffer, bufferSize);
		}

		public static IntPtr RubberBandStretcher_GetExactTimePoints(IntPtr rbs, int[] buffer, IntPtr bufferSize)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_GetExactTimePoints(rbs, buffer, bufferSize);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_GetExactTimePoints(rbs, buffer, bufferSize);
		}

		public static IntPtr RubberBandStretcher_GetChannelCount(IntPtr rbs)
		{
			if (IntPtr.Size == 8)
				return RubberBandNativeMethodsx64.RubberBandStretcher_GetChannelCount(rbs);
			else
				return RubberBandNativeMethodsWin32.RubberBandStretcher_GetChannelCount(rbs);
		}

		public static void RubberBandStretcher_CalculateStretch(IntPtr rbs)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_CalculateStretch(rbs);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_CalculateStretch(rbs);
		}

		public static void RubberBandStretcher_SetDebugLevel(IntPtr rbs, int level)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetDebugLevel(rbs, level);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetDebugLevel(rbs, level);
		}

		public static void RubberBandStretcher_SetDefaultDebugLevel(int level)
		{
			if (IntPtr.Size == 8)
				RubberBandNativeMethodsx64.RubberBandStretcher_SetDefaultDebugLevel(level);
			else
				RubberBandNativeMethodsWin32.RubberBandStretcher_SetDefaultDebugLevel(level);
		}
	}
}