mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-11 17:55:21 +00:00
ccff45a0d3
APE is not the sole codec using scalarproduct_and_madd_int16. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
50 lines
1.5 KiB
C
50 lines
1.5 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
|
|
*/
|
|
|
|
#include "avcodec.h"
|
|
#include "lossless_audiodsp.h"
|
|
|
|
static int32_t scalarproduct_and_madd_int16_c(int16_t *v1, const int16_t *v2,
|
|
const int16_t *v3,
|
|
int order, int mul)
|
|
{
|
|
int res = 0;
|
|
|
|
while (order--) {
|
|
res += *v1 * *v2++;
|
|
*v1++ += mul * *v3++;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
av_cold void ff_llauddsp_init(LLAudDSPContext *c)
|
|
{
|
|
c->scalarproduct_and_madd_int16 = scalarproduct_and_madd_int16_c;
|
|
|
|
if (ARCH_ARM)
|
|
ff_llauddsp_init_arm(c);
|
|
if (ARCH_PPC)
|
|
ff_llauddsp_init_ppc(c);
|
|
if (ARCH_X86)
|
|
ff_llauddsp_init_x86(c);
|
|
}
|