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/*
* Copyright © 2024 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/cpu.h"
#include "libavcodec/mpegvideoencdsp.h"
int ff_try_8x8basis_rvv(const int16_t rem[64], const int16_t weight[64],
const int16_t basis[16], int scale);
void ff_add_8x8basis_rvv(int16_t rem[64], const int16_t basis[16], int scale);
int ff_pix_sum_rvv(const uint8_t *pix, ptrdiff_t line_size);
int ff_pix_norm1_rvv(const uint8_t *pix, ptrdiff_t line_size);
av_cold void ff_mpegvideoencdsp_init_riscv(MpegvideoEncDSPContext *c,
AVCodecContext *avctx)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_RVV_I32) {
if (flags & AV_CPU_FLAG_RVB) {
c->try_8x8basis = ff_try_8x8basis_rvv;
c->add_8x8basis = ff_add_8x8basis_rvv;
}
if (flags & AV_CPU_FLAG_RVV_I64) {
if ((flags & AV_CPU_FLAG_RVB) && ff_rv_vlen_least(128))
c->pix_sum = ff_pix_sum_rvv;
c->pix_norm1 = ff_pix_norm1_rvv;
}
}
#endif
}
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