mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS).
|
|
*
|
|
* 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 "config.h"
|
|
|
|
#include "libavutil/attributes.h"
|
|
#include "libavutil/cpu.h"
|
|
#include "libavutil/riscv/cpu.h"
|
|
#include "libavcodec/rv34dsp.h"
|
|
|
|
void ff_rv34_inv_transform_dc_rvv(int16_t *block);
|
|
void ff_rv34_idct_dc_add_rvv(uint8_t *dst, ptrdiff_t stride, int dc);
|
|
|
|
av_cold void ff_rv34dsp_init_riscv(RV34DSPContext *c)
|
|
{
|
|
#if HAVE_RVV
|
|
int flags = av_get_cpu_flags();
|
|
|
|
if (flags & AV_CPU_FLAG_RVV_I32 && ff_rv_vlen_least(128)) {
|
|
c->rv34_inv_transform_dc = ff_rv34_inv_transform_dc_rvv;
|
|
c->rv34_idct_dc_add = ff_rv34_idct_dc_add_rvv;
|
|
}
|
|
#endif
|
|
}
|