mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-24 03:59:43 +00:00
e1c3e6277f
* commit 'f0389eb777b1ab4291329d4f709098cdfa7384dc': arm: fmtconvert: Split armv6 fmtconvert code off from vfp code Merged-by: Michael Niedermayer <michaelni@gmx.at>
66 lines
2.4 KiB
C
66 lines
2.4 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/arm/cpu.h"
|
|
#include "libavcodec/avcodec.h"
|
|
#include "libavcodec/fmtconvert.h"
|
|
|
|
void ff_int32_to_float_fmul_scalar_neon(float *dst, const int32_t *src,
|
|
float mul, int len);
|
|
|
|
void ff_int32_to_float_fmul_scalar_vfp(float *dst, const int32_t *src,
|
|
float mul, int len);
|
|
void ff_int32_to_float_fmul_array8_vfp(FmtConvertContext *c, float *dst,
|
|
const int32_t *src, const float *mul,
|
|
int len);
|
|
|
|
void ff_float_to_int16_neon(int16_t *dst, const float *src, long len);
|
|
void ff_float_to_int16_interleave_neon(int16_t *, const float **, long, int);
|
|
|
|
void ff_float_to_int16_vfp(int16_t *dst, const float *src, long len);
|
|
|
|
av_cold void ff_fmt_convert_init_arm(FmtConvertContext *c, AVCodecContext *avctx)
|
|
{
|
|
int cpu_flags = av_get_cpu_flags();
|
|
|
|
if (have_vfp(cpu_flags)) {
|
|
if (!have_vfpv3(cpu_flags)) {
|
|
c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_vfp;
|
|
c->int32_to_float_fmul_array8 = ff_int32_to_float_fmul_array8_vfp;
|
|
}
|
|
|
|
if (have_armv6(cpu_flags)) {
|
|
c->float_to_int16 = ff_float_to_int16_vfp;
|
|
}
|
|
}
|
|
|
|
if (have_neon(cpu_flags)) {
|
|
c->int32_to_float_fmul_scalar = ff_int32_to_float_fmul_scalar_neon;
|
|
|
|
if (!(avctx->flags & CODEC_FLAG_BITEXACT)) {
|
|
c->float_to_int16 = ff_float_to_int16_neon;
|
|
c->float_to_int16_interleave = ff_float_to_int16_interleave_neon;
|
|
}
|
|
}
|
|
}
|