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https://github.com/libretro/RetroArch.git
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91edc8ff49
It imposes no performance loss as it is performed during s16->float conversion. It is however grouped together with check_mute.
54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef AUDIO_UTILS_H
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#define AUDIO_UTILS_H
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#include <stdint.h>
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#include <stddef.h>
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#if __SSE2__
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#define audio_convert_s16_to_float audio_convert_s16_to_float_SSE2
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#define audio_convert_float_to_s16 audio_convert_float_to_s16_SSE2
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void audio_convert_s16_to_float_SSE2(float *out,
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const int16_t *in, size_t samples, float gain);
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void audio_convert_float_to_s16_SSE2(int16_t *out,
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const float *in, size_t samples);
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#elif __ALTIVEC__
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#define audio_convert_s16_to_float audio_convert_s16_to_float_altivec
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#define audio_convert_float_to_s16 audio_convert_float_to_s16_altivec
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void audio_convert_s16_to_float_altivec(float *out,
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const int16_t *in, size_t samples, float gain);
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void audio_convert_float_to_s16_altivec(int16_t *out,
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const float *in, size_t samples);
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#else
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#define audio_convert_s16_to_float audio_convert_s16_to_float_C
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#define audio_convert_float_to_s16 audio_convert_float_to_s16_C
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#endif
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void audio_convert_s16_to_float_C(float *out,
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const int16_t *in, size_t samples, float gain);
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void audio_convert_float_to_s16_C(int16_t *out,
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const float *in, size_t samples);
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#endif
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