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/* Copyright (C) 2010-2016 The RetroArch team
*
* ---------------------------------------------------------------------------------------
* The following license statement only applies to this file (s16_to_float.h).
* ---------------------------------------------------------------------------------------
*
* Permission is hereby granted, free of charge,
* to any person obtaining a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __LIBRETRO_SDK_CONVERSION_S16_TO_FLOAT_H__
#define __LIBRETRO_SDK_CONVERSION_S16_TO_FLOAT_H__
#include <stdint.h>
#include <stddef.h>
#include <retro_common_api.h>
RETRO_BEGIN_DECLS
#if defined(__SSE2__)
#define convert_s16_to_float convert_s16_to_float_SSE2
/**
* convert_s16_to_float_SSE2:
* @out : output buffer
* @in : input buffer
* @samples : size of samples to be converted
* @gain : gain applied (.e.g. audio volume)
*
* Converts from signed integer 16-bit
* to floating point.
*
* SSE2 implementation callback function.
**/
void convert_s16_to_float_SSE2(float *out,
const int16_t *in, size_t samples, float gain);
#elif defined(__ALTIVEC__)
#define convert_s16_to_float convert_s16_to_float_altivec
/**
* convert_s16_to_float_altivec:
* @out : output buffer
* @in : input buffer
* @samples : size of samples to be converted
* @gain : gain applied (.e.g. audio volume)
*
* Converts from signed integer 16-bit
* to floating point.
*
* AltiVec implementation callback function.
**/
void convert_s16_to_float_altivec(float *out,
const int16_t *in, size_t samples, float gain);
#elif defined(__ARM_NEON__) && !defined(VITA)
#define convert_s16_to_float convert_s16_to_float_arm
void (*convert_s16_to_float_arm)(float *out,
const int16_t *in, size_t samples, float gain);
#elif defined(_MIPS_ARCH_ALLEGREX)
#define convert_s16_to_float convert_s16_to_float_ALLEGREX
/**
* convert_s16_to_float_ALLEGREX:
* @out : output buffer
* @in : input buffer
* @samples : size of samples to be converted
* @gain : gain applied (.e.g. audio volume)
*
* Converts from signed integer 16-bit
* to floating point.
*
* MIPS ALLEGREX implementation callback function.
**/
void convert_s16_to_float_ALLEGREX(float *out,
const int16_t *in, size_t samples, float gain);
#else
#define convert_s16_to_float convert_s16_to_float_C
#endif
/**
* convert_s16_to_float_C:
* @out : output buffer
* @in : input buffer
* @samples : size of samples to be converted
* @gain : gain applied (.e.g. audio volume)
*
* Converts from signed integer 16-bit
* to floating point.
*
* C implementation callback function.
**/
void convert_s16_to_float_C(float *out,
const int16_t *in, size_t samples, float gain);
/**
* convert_s16_to_float_init_simd:
*
* Sets up function pointers for conversion
* functions based on CPU features.
**/
void convert_s16_to_float_init_simd(void);
RETRO_END_DECLS
#endif
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