mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-12 19:18:44 +02:00
3152c684cb
T-Head C908 (cycles): vc1dsp.vc1_inv_trans_4x4_c: 310.7 vc1dsp.vc1_inv_trans_4x4_rvv_i32: 120.0 We could use 1 `vlseg4e64.v` instead of 4 `vle16.v`, but that seems to be about 7% slower.
79 lines
3.5 KiB
C
79 lines
3.5 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_8x8_rvv(int16_t block[64]);
|
|
void ff_vc1_inv_trans_4x8_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block);
|
|
void ff_vc1_inv_trans_4x8_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_8x4_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_vc1_inv_trans_4x4_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);
|
|
int ff_startcode_find_candidate_rvb(const uint8_t *, int);
|
|
int ff_startcode_find_candidate_rvv(const uint8_t *, int);
|
|
int ff_vc1_unescape_buffer_rvv(const uint8_t *, int, uint8_t *);
|
|
|
|
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 (flags & AV_CPU_FLAG_RVB_BASIC)
|
|
dsp->startcode_find_candidate = ff_startcode_find_candidate_rvb;
|
|
# if HAVE_RVV
|
|
if (flags & AV_CPU_FLAG_RVV_I32) {
|
|
if (ff_rv_vlen_least(128)) {
|
|
dsp->vc1_inv_trans_8x8 = ff_vc1_inv_trans_8x8_rvv;
|
|
dsp->vc1_inv_trans_8x4 = ff_vc1_inv_trans_8x4_rvv;
|
|
dsp->vc1_inv_trans_4x8 = ff_vc1_inv_trans_4x8_rvv;
|
|
dsp->vc1_inv_trans_4x4 = ff_vc1_inv_trans_4x4_rvv;
|
|
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;
|
|
dsp->avg_vc1_mspel_pixels_tab[1][0] = ff_avg_pixels8x8_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->startcode_find_candidate = ff_startcode_find_candidate_rvv;
|
|
dsp->vc1_unescape_buffer = ff_vc1_unescape_buffer_rvv;
|
|
}
|
|
# endif
|
|
#endif
|
|
}
|