ffmpeg/libavcodec/videodsp.c
Rémi Denis-Courmont 262168b04e lavc/videodsp: RISC-V zicbop prefetch
There are currently no ways to run-time detect the CPU capability, so we
take it for granted (in the worst case, it will execute NOPs).
2024-07-30 18:41:51 +03:00

64 lines
1.8 KiB
C

/*
* Copyright (C) 2012 Ronald S. Bultje
*
* 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/avassert.h"
#include "libavutil/macros.h"
#include "videodsp.h"
#define BIT_DEPTH 8
#include "videodsp_template.c"
#undef BIT_DEPTH
#define BIT_DEPTH 16
#include "videodsp_template.c"
#undef BIT_DEPTH
static void just_return(const uint8_t *buf, ptrdiff_t stride, int h)
{
}
av_cold void ff_videodsp_init(VideoDSPContext *ctx, int bpc)
{
ctx->prefetch = just_return;
if (bpc <= 8) {
ctx->emulated_edge_mc = ff_emulated_edge_mc_8;
} else {
ctx->emulated_edge_mc = ff_emulated_edge_mc_16;
}
#if ARCH_AARCH64
ff_videodsp_init_aarch64(ctx, bpc);
#elif ARCH_ARM
ff_videodsp_init_arm(ctx, bpc);
#elif ARCH_PPC
ff_videodsp_init_ppc(ctx, bpc);
#elif ARCH_RISCV
ff_videodsp_init_riscv(ctx, bpc);
#elif ARCH_X86
ff_videodsp_init_x86(ctx, bpc);
#elif ARCH_MIPS
ff_videodsp_init_mips(ctx, bpc);
#elif ARCH_LOONGARCH64
ff_videodsp_init_loongarch(ctx, bpc);
#endif
}