ffmpeg/libavcodec/arm/rv34dsp_init_neon.c
Janne Grunau e1e369049e rv34: NEON optimised dc only inverse transform
30-50% faster than the C implementation, 0.5% overall speedup on
bourne.rmvb.
2012-01-12 18:33:55 +01:00

39 lines
1.4 KiB
C

/*
* Copyright (c) 2011 Janne Grunau <janne-libav@jannau.net>
*
* 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 <stdint.h>
#include "libavcodec/avcodec.h"
#include "libavcodec/rv34dsp.h"
void ff_rv34_inv_transform_neon(DCTELEM *block);
void ff_rv34_inv_transform_noround_neon(DCTELEM *block);
void ff_rv34_inv_transform_dc_neon(DCTELEM *block);
void ff_rv34_inv_transform_noround_dc_neon(DCTELEM *block);
void ff_rv34dsp_init_neon(RV34DSPContext *c, DSPContext* dsp)
{
c->rv34_inv_transform_tab[0] = ff_rv34_inv_transform_neon;
c->rv34_inv_transform_tab[1] = ff_rv34_inv_transform_noround_neon;
c->rv34_inv_transform_dc_tab[0] = ff_rv34_inv_transform_dc_neon;
c->rv34_inv_transform_dc_tab[1] = ff_rv34_inv_transform_noround_dc_neon;
}