cog/Audio/ThirdParty/RetroArch/libretro-common/include/audio/conversion/s16_to_float.h

56 lines
2.1 KiB
C

/* Copyright (C) 2010-2021 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
/**
* convert_s16_to_float:
* @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.
**/
void convert_s16_to_float(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