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51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/* Spa
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* Copyright (C) 2017 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <spa/utils/defs.h>
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typedef void (*mix_clear_func_t) (void *dst, int n_bytes);
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typedef void (*mix_func_t) (void *dst, const void *src, int n_bytes);
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typedef void (*mix_scale_func_t) (void *dst, const void *src, const double scale, int n_bytes);
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typedef void (*mix_i_func_t) (void *dst, int dst_stride,
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const void *src, int src_stride, int n_bytes);
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typedef void (*mix_scale_i_func_t) (void *dst, int dst_stride,
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const void *src, int src_stride, const double scale, int n_bytes);
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enum {
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FMT_S16,
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FMT_F32,
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FMT_MAX,
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};
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struct spa_audiomixer_ops {
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mix_clear_func_t clear[FMT_MAX];
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mix_func_t copy[FMT_MAX];
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mix_func_t add[FMT_MAX];
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mix_scale_func_t copy_scale[FMT_MAX];
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mix_scale_func_t add_scale[FMT_MAX];
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mix_i_func_t copy_i[FMT_MAX];
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mix_i_func_t add_i[FMT_MAX];
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mix_scale_i_func_t copy_scale_i[FMT_MAX];
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mix_scale_i_func_t add_scale_i[FMT_MAX];
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};
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void spa_audiomixer_get_ops(struct spa_audiomixer_ops *ops);
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