1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/*
* Copyright © 2022 Rémi Denis-Courmont.
*
* 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/cpu.h"
#include "libavutil/riscv/cpu.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/idctdsp.h"
void ff_put_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels,
ptrdiff_t stride);
void ff_put_signed_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels,
ptrdiff_t stride);
void ff_add_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels,
ptrdiff_t stride);
av_cold void ff_idctdsp_init_riscv(IDCTDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
if ((flags & AV_CPU_FLAG_RVV_I32) && ff_get_rv_vlenb() >= 16) {
c->put_pixels_clamped = ff_put_pixels_clamped_rvv;
c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_rvv;
c->add_pixels_clamped = ff_add_pixels_clamped_rvv;
}
#endif
}
|
