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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-12 19:18:44 +02:00
FFmpeg/libavcodec/riscv/vc1dsp_init.c
sunyuechi d4083ecb7c lavc/vc1dsp: R-V V mspel_pixels
C908 X60
vc1dsp.avg_vc1_mspel_pixels_tab[0][0]_c            :  14.7 13.2
vc1dsp.avg_vc1_mspel_pixels_tab[0][0]_rvv_i32      :   2.5  2.2
vc1dsp.avg_vc1_mspel_pixels_tab[1][0]_c            :   3.7  3.5
vc1dsp.avg_vc1_mspel_pixels_tab[1][0]_rvv_i64      :   1.0  1.2
vc1dsp.put_vc1_mspel_pixels_tab[0][0]_c            :   9.0  8.0
vc1dsp.put_vc1_mspel_pixels_tab[0][0]_rvi          :   1.0  1.0
vc1dsp.put_vc1_mspel_pixels_tab[1][0]_c            :   2.5  2.2
vc1dsp.put_vc1_mspel_pixels_tab[1][0]_rvi          :   0.5  0.5

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
2024-05-16 17:08:18 +03:00

62 lines
2.5 KiB
C

/*
* Copyright (c) 2023 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 <stdint.h>
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/riscv/cpu.h"
#include "libavcodec/vc1.h"
void ff_vc1_inv_trans_8x8_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vc1_inv_trans_4x8_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vc1_inv_trans_8x4_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vc1_inv_trans_4x4_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_put_pixels16x16_rvi(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd);
void ff_put_pixels8x8_rvi(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd);
void ff_avg_pixels16x16_rvv(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd);
void ff_avg_pixels8x8_rvv(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd);
av_cold void ff_vc1dsp_init_riscv(VC1DSPContext *dsp)
{
#if HAVE_RV
int flags = av_get_cpu_flags();
# if __riscv_xlen >= 64
if (flags & AV_CPU_FLAG_RVI) {
dsp->put_vc1_mspel_pixels_tab[1][0] = ff_put_pixels8x8_rvi;
dsp->put_vc1_mspel_pixels_tab[0][0] = ff_put_pixels16x16_rvi;
}
# endif
#if HAVE_RVV
if (flags & AV_CPU_FLAG_RVV_I32 && ff_rv_vlen_least(128)) {
dsp->vc1_inv_trans_4x8_dc = ff_vc1_inv_trans_4x8_dc_rvv;
dsp->vc1_inv_trans_4x4_dc = ff_vc1_inv_trans_4x4_dc_rvv;
dsp->avg_vc1_mspel_pixels_tab[0][0] = ff_avg_pixels16x16_rvv;
if (flags & AV_CPU_FLAG_RVV_I64) {
dsp->vc1_inv_trans_8x8_dc = ff_vc1_inv_trans_8x8_dc_rvv;
dsp->vc1_inv_trans_8x4_dc = ff_vc1_inv_trans_8x4_dc_rvv;
dsp->avg_vc1_mspel_pixels_tab[1][0] = ff_avg_pixels8x8_rvv;
}
}
#endif
#endif
}