mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
8ca7d474c1
./ffmpeg -i ../1_h264_1080p_30fps_3Mbps.mp4 -f rawvideo -y /dev/null -an before:296 after :308 Reviewed-by: 殷时友 <yinshiyou-hf@loongson.cn> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
60 lines
1.7 KiB
C
60 lines
1.7 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 "libavutil/attributes.h"
|
|
#include "libavutil/avassert.h"
|
|
#include "libavutil/common.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(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);
|
|
if (ARCH_ARM)
|
|
ff_videodsp_init_arm(ctx, bpc);
|
|
if (ARCH_PPC)
|
|
ff_videodsp_init_ppc(ctx, bpc);
|
|
if (ARCH_X86)
|
|
ff_videodsp_init_x86(ctx, bpc);
|
|
if (ARCH_MIPS)
|
|
ff_videodsp_init_mips(ctx, bpc);
|
|
if (ARCH_LOONGARCH64)
|
|
ff_videodsp_init_loongarch(ctx, bpc);
|
|
}
|