RetroArch/audio/utils.h
2014-07-26 20:18:37 +02:00

83 lines
2.7 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef AUDIO_UTILS_H
#define AUDIO_UTILS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stddef.h>
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#if defined(__SSE2__)
#define audio_convert_s16_to_float audio_convert_s16_to_float_SSE2
#define audio_convert_float_to_s16 audio_convert_float_to_s16_SSE2
void audio_convert_s16_to_float_SSE2(float *out,
const int16_t *in, size_t samples, float gain);
void audio_convert_float_to_s16_SSE2(int16_t *out,
const float *in, size_t samples);
#elif defined(__ALTIVEC__)
#define audio_convert_s16_to_float audio_convert_s16_to_float_altivec
#define audio_convert_float_to_s16 audio_convert_float_to_s16_altivec
void audio_convert_s16_to_float_altivec(float *out,
const int16_t *in, size_t samples, float gain);
void audio_convert_float_to_s16_altivec(int16_t *out,
const float *in, size_t samples);
#elif defined(__ARM_NEON__)
#define audio_convert_s16_to_float audio_convert_s16_to_float_arm
#define audio_convert_float_to_s16 audio_convert_float_to_s16_arm
void (*audio_convert_s16_to_float_arm)(float *out,
const int16_t *in, size_t samples, float gain);
void (*audio_convert_float_to_s16_arm)(int16_t *out,
const float *in, size_t samples);
#elif defined(_MIPS_ARCH_ALLEGREX)
#define audio_convert_s16_to_float audio_convert_s16_to_float_ALLEGREX
#define audio_convert_float_to_s16 audio_convert_float_to_s16_ALLEGREX
void audio_convert_s16_to_float_ALLEGREX(float *out,
const int16_t *in, size_t samples, float gain);
void audio_convert_float_to_s16_ALLEGREX(int16_t *out,
const float *in, size_t samples);
#else
#define audio_convert_s16_to_float audio_convert_s16_to_float_C
#define audio_convert_float_to_s16 audio_convert_float_to_s16_C
#endif
void audio_convert_s16_to_float_C(float *out,
const int16_t *in, size_t samples, float gain);
void audio_convert_float_to_s16_C(int16_t *out,
const float *in, size_t samples);
void audio_convert_init_simd(void);
#ifdef __cplusplus
}
#endif
#endif