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libavcodec
lossless_audiodsp.h
Go to the documentation of this file.
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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_LLAUDDSP_H
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#define AVCODEC_LLAUDDSP_H
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#include <stdint.h>
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typedef
struct
LLAudDSPContext
{
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/**
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* Calculate scalar product of v1 and v2,
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* and v1[i] += v3[i] * mul
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* @param len length of vectors, should be multiple of 16,
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* or padd v3 and v1 or v2 with zeros.
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*/
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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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}
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_LLAUDDSP_H */
ff_llauddsp_init
void ff_llauddsp_init(LLAudDSPContext *c)
Definition:
lossless_audiodsp.c:39
ff_llauddsp_init_arm
void ff_llauddsp_init_arm(LLAudDSPContext *c)
Definition:
lossless_audiodsp_init_arm.c:31
LLAudDSPContext
Definition:
lossless_audiodsp.h:28
int32_t
int32_t
Definition:
audio_convert.c:194
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
c
static double c[64]
Definition:
vsrc_mptestsrc.c:87
ff_llauddsp_init_ppc
void ff_llauddsp_init_ppc(LLAudDSPContext *c)
Definition:
lossless_audiodsp_altivec.c:85
len
int len
Definition:
vorbis_enc_data.h:452
ff_llauddsp_init_x86
void ff_llauddsp_init_x86(LLAudDSPContext *c)
Definition:
lossless_audiodsp_init.c:34
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