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/* SPDX-License-Identifier: BSD-3-Clause */
/* SPDX-FileCopyrightText: OpenMPT Project Developers and Contributors */
#pragma once
#include "openmpt/all/BuildSettings.hpp"
#include "mpt/base/macros.hpp"
#include "openmpt/base/Int24.hpp"
#include "openmpt/base/Types.hpp"
OPENMPT_NAMESPACE_BEGIN
namespace SC
{ // SC = _S_ample_C_onversion
template <typename Tsample, bool clipOutput>
struct Clip;
template <bool clipOutput>
struct Clip<uint8, clipOutput>
{
using input_t = uint8;
using output_t = uint8;
MPT_FORCEINLINE uint8 operator()(uint8 val)
{
return val;
}
};
template <bool clipOutput>
struct Clip<int8, clipOutput>
{
using input_t = int8;
using output_t = int8;
MPT_FORCEINLINE int8 operator()(int8 val)
{
return val;
}
};
template <bool clipOutput>
struct Clip<int16, clipOutput>
{
using input_t = int16;
using output_t = int16;
MPT_FORCEINLINE int16 operator()(int16 val)
{
return val;
}
};
template <bool clipOutput>
struct Clip<int24, clipOutput>
{
using input_t = int24;
using output_t = int24;
MPT_FORCEINLINE int24 operator()(int24 val)
{
return val;
}
};
template <bool clipOutput>
struct Clip<int32, clipOutput>
{
using input_t = int32;
using output_t = int32;
MPT_FORCEINLINE int32 operator()(int32 val)
{
return val;
}
};
template <bool clipOutput>
struct Clip<int64, clipOutput>
{
using input_t = int64;
using output_t = int64;
MPT_FORCEINLINE int64 operator()(int64 val)
{
return val;
}
};
template <bool clipOutput>
struct Clip<float, clipOutput>
{
using input_t = float;
using output_t = float;
MPT_FORCEINLINE float operator()(float val)
{
if constexpr(clipOutput)
{
if(val < -1.0f) val = -1.0f;
if(val > 1.0f) val = 1.0f;
return val;
} else
{
return val;
}
}
};
template <bool clipOutput>
struct Clip<double, clipOutput>
{
using input_t = double;
using output_t = double;
MPT_FORCEINLINE double operator()(double val)
{
if constexpr(clipOutput)
{
if(val < -1.0) val = -1.0;
if(val > 1.0) val = 1.0;
return val;
} else
{
return val;
}
}
};
} // namespace SC
OPENMPT_NAMESPACE_END
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