FFmpeg
libavcodec
lossless_audiodsp.h
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/*
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* Monkey's Audio lossless audio decoder
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* Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
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* based upon libdemac from Dave Chapman.
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_LOSSLESS_AUDIODSP_H
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#define AVCODEC_LOSSLESS_AUDIODSP_H
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#include <stdint.h>
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typedef
struct
LLAudDSPContext
{
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int32_t (*
scalarproduct_and_madd_int16
)(int16_t *v1
/* align 16 */
,
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const
int16_t *v2,
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const
int16_t *v3,
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int
len,
int
mul);
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int32_t (*scalarproduct_and_madd_int32)(int16_t *v1
/* align 16 */
,
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const
int32_t *v2,
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const
int16_t *v3,
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int
len,
int
mul);
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}
LLAudDSPContext
;
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void
ff_llauddsp_init(
LLAudDSPContext
*c);
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void
ff_llauddsp_init_arm(
LLAudDSPContext
*c);
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void
ff_llauddsp_init_ppc(
LLAudDSPContext
*c);
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void
ff_llauddsp_init_x86(
LLAudDSPContext
*c);
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#endif
/* AVCODEC_LOSSLESS_AUDIODSP_H */
LLAudDSPContext
Definition:
lossless_audiodsp.h:28
LLAudDSPContext::scalarproduct_and_madd_int16
int32_t(* scalarproduct_and_madd_int16)(int16_t *v1, const int16_t *v2, const int16_t *v3, int len, int mul)
Calculate scalar product of v1 and v2, and v1[i] += v3[i] * mul.
Definition:
lossless_audiodsp.h:35
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