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/*
* 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/vvc/dsp.h"
#define bf(fn, bd, opt) fn##_##bd##_##opt
#define AVG_PROTOTYPES(bd, opt) \
void bf(ff_vvc_avg, bd, opt)(uint8_t *dst, ptrdiff_t dst_stride, \
const int16_t *src0, const int16_t *src1, int width, int height); \
void bf(ff_vvc_w_avg, bd, opt)(uint8_t *dst, ptrdiff_t dst_stride, \
const int16_t *src0, const int16_t *src1, int width, int height, \
int denom, int w0, int w1, int o0, int o1);
AVG_PROTOTYPES(8, rvv_128)
AVG_PROTOTYPES(8, rvv_256)
void ff_vvc_dsp_init_riscv(VVCDSPContext *const c, const int bd)
{
#if HAVE_RVV
const int flags = av_get_cpu_flags();
int vlenb;
if (!(flags & AV_CPU_FLAG_RVV_I32) || !(flags & AV_CPU_FLAG_RVB))
return;
vlenb = ff_get_rv_vlenb();
if (vlenb >= 32) {
switch (bd) {
case 8:
c->inter.avg = ff_vvc_avg_8_rvv_256;
# if (__riscv_xlen == 64)
c->inter.w_avg = ff_vvc_w_avg_8_rvv_256;
# endif
break;
default:
break;
}
} else if (vlenb >= 16) {
switch (bd) {
case 8:
c->inter.avg = ff_vvc_avg_8_rvv_128;
# if (__riscv_xlen == 64)
c->inter.w_avg = ff_vvc_w_avg_8_rvv_128;
# endif
break;
default:
break;
}
}
#endif
}
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