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For #1659, #307, add ffmpeg-4.2-fit for rtc

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winlin 2020-03-22 16:34:54 +08:00
parent 634a14bfa6
commit 4308f238c0
690 changed files with 182077 additions and 1 deletions
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57
trunk/3rdparty/ffmpeg-4.2-fit/libavcodec/videodsp.c vendored Normal file
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/*
* 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);
}