mirror of https://git.ffmpeg.org/ffmpeg.git
42 lines
1.7 KiB
C
42 lines
1.7 KiB
C
/*
|
|
* Copyright (c) 2011 Mans Rullgard <mans@mansr.com>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include "libavutil/attributes.h"
|
|
#include "libavcodec/ac3dsp.h"
|
|
#include "config.h"
|
|
|
|
void ff_ac3_exponent_min_neon(uint8_t *exp, int num_reuse_blocks, int nb_coefs);
|
|
int ff_ac3_max_msb_abs_int16_neon(const int16_t *src, int len);
|
|
void ff_ac3_lshift_int16_neon(int16_t *src, unsigned len, unsigned shift);
|
|
void ff_ac3_rshift_int32_neon(int32_t *src, unsigned len, unsigned shift);
|
|
void ff_float_to_fixed24_neon(int32_t *dst, const float *src, unsigned int len);
|
|
|
|
av_cold void ff_ac3dsp_init_arm(AC3DSPContext *c, int bit_exact)
|
|
{
|
|
if (HAVE_NEON) {
|
|
c->ac3_exponent_min = ff_ac3_exponent_min_neon;
|
|
c->ac3_max_msb_abs_int16 = ff_ac3_max_msb_abs_int16_neon;
|
|
c->ac3_lshift_int16 = ff_ac3_lshift_int16_neon;
|
|
c->ac3_rshift_int32 = ff_ac3_rshift_int32_neon;
|
|
c->float_to_fixed24 = ff_float_to_fixed24_neon;
|
|
}
|
|
}
|