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ffmpeg/libavcodec/videodsp.c
Janne Grunau d3789eeeed aarch64: implement videodsp.prefetch
8% faster h264 decoding on Apple A7.
2014-04-06 21:18:49 +02:00

55 lines
1.5 KiB
C

/*
* Copyright (C) 2012 Ronald S. Bultje
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; 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/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);
}