44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
|
/*
|
||
|
|
* ARM optimized Format Conversion Utils
|
||
|
|
*
|
||
|
|
* 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 <stdint.h>
|
||
|
|
|
||
|
|
#include "libavutil/attributes.h"
|
||
|
|
#include "libavutil/aarch64/cpu.h"
|
||
|
|
#include "libavcodec/avcodec.h"
|
||
|
|
#include "libavcodec/fmtconvert.h"
|
||
|
|
|
||
|
|
void ff_int32_to_float_fmul_array8_neon(FmtConvertContext *c, float *dst,
|
||
|
|
const int32_t *src, const float *mul,
|
||
|
|
int len);
|
||
|
|
void ff_int32_to_float_fmul_scalar_neon(float *dst, const int32_t *src,
|
||
|
|
float mul, int len);
|
||
|
|
|
||
|
|
av_cold void ff_fmt_convert_init_aarch64(FmtConvertContext *c,
|
||
|
|
AVCodecContext *avctx)
|
||
|
|
{
|
||
|
|
int cpu_flags = av_get_cpu_flags();
|
||
|
|
|
||
|
|
if (have_neon(cpu_flags)) {
|
||
|
|
c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_neon;
|
||
|
|
c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_neon;
|
||
|
|
}
|
||
|
|
}
|