mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 03:09:51 +00:00
52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
/*
|
|
* 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 */
|