mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-11 09:35:22 +00:00
47 lines
1.6 KiB
C
47 lines
1.6 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/me_cmp.h"
|
||
|
|
#include "libavcodec/mpegvideo.h"
|
||
|
|
|
||
|
|
int ff_pix_abs16_rvv(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
|
||
|
|
ptrdiff_t stride, int h);
|
||
|
|
int ff_pix_abs8_rvv(MpegEncContext *v, const uint8_t *pix1, const uint8_t *pix2,
|
||
|
|
ptrdiff_t stride, int h);
|
||
|
|
|
||
|
|
av_cold void ff_me_cmp_init_riscv(MECmpContext *c, AVCodecContext *avctx)
|
||
|
|
{
|
||
|
|
#if HAVE_RVV
|
||
|
|
int flags = av_get_cpu_flags();
|
||
|
|
|
||
|
|
if (flags & AV_CPU_FLAG_RVV_I32 && ff_get_rv_vlenb() >= 16) {
|
||
|
|
c->pix_abs[0][0] = ff_pix_abs16_rvv;
|
||
|
|
c->sad[0] = ff_pix_abs16_rvv;
|
||
|
|
c->pix_abs[1][0] = ff_pix_abs8_rvv;
|
||
|
|
c->sad[1] = ff_pix_abs8_rvv;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|