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/*
* Copyright (c) 2024 Institute 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/hevc/dsp.h"
#include "libavcodec/riscv/h26x/h2656dsp.h"
#define RVV_FNASSIGN(member, v, h, fn, ext) \
member[1][v][h] = ff_h2656_put_pixels_##8_##ext; \
member[3][v][h] = ff_h2656_put_pixels_##8_##ext; \
member[5][v][h] = ff_h2656_put_pixels_##8_##ext; \
member[7][v][h] = ff_h2656_put_pixels_##8_##ext; \
member[9][v][h] = ff_h2656_put_pixels_##8_##ext;
void ff_hevc_dsp_init_riscv(HEVCDSPContext *c, const int bit_depth)
{
#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 (bit_depth) {
case 8:
RVV_FNASSIGN(c->put_hevc_qpel, 0, 0, pel_pixels, rvv_256);
RVV_FNASSIGN(c->put_hevc_epel, 0, 0, pel_pixels, rvv_256);
break;
default:
break;
}
} else if (vlenb >= 16) {
switch (bit_depth) {
case 8:
RVV_FNASSIGN(c->put_hevc_qpel, 0, 0, pel_pixels, rvv_128);
RVV_FNASSIGN(c->put_hevc_epel, 0, 0, pel_pixels, rvv_128);
break;
default:
break;
}
}
#endif
}
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