aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* Monkey's Audio lossless audio decoder
* Copyright (c) 2007 Benjamin Zores <ben@geexbox.org>
* based upon libdemac from Dave Chapman.
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_LOSSLESS_AUDIODSP_H
#define AVCODEC_LOSSLESS_AUDIODSP_H
#include <stdint.h>
typedef struct LLAudDSPContext {
/**
* Calculate scalar product of v1 and v2,
* and v1[i] += v3[i] * mul
* @param len length of vectors, should be multiple of 16,
* or padd v3 and v1 or v2 with zeros.
*/
int32_t (*scalarproduct_and_madd_int16)(int16_t *v1 /* align 16 */,
const int16_t *v2,
const int16_t *v3,
int len, int mul);
int32_t (*scalarproduct_and_madd_int32)(int16_t *v1 /* align 16 */,
const int32_t *v2,
const int16_t *v3,
int len, int mul);
} LLAudDSPContext;
void ff_llauddsp_init(LLAudDSPContext *c);
void ff_llauddsp_init_arm(LLAudDSPContext *c);
void ff_llauddsp_init_ppc(LLAudDSPContext *c);
void ff_llauddsp_init_x86(LLAudDSPContext *c);
#endif /* AVCODEC_LOSSLESS_AUDIODSP_H */
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