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/*
* Copyright (C) 2003 David S. Miller <davem@redhat.com>
*
* 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
*/
/* The *no_round* functions have been added by James A. Morrison, 2003,2004.
The vis code from libmpeg2 was adapted for libavcodec by James A. Morrison.
*/
#include "config.h"
#include <inttypes.h>
#include "libavutil/attributes.h"
#include "libavcodec/dsputil.h"
#include "libavutil/mem.h"
#include "dsputil_vis.h"
#include "vis.h"
#define ACCEL_SPARC_VIS 1
#define ACCEL_SPARC_VIS2 2
static int vis_level(void)
{
int accel = 0;
accel |= ACCEL_SPARC_VIS;
accel |= ACCEL_SPARC_VIS2;
return accel;
}
/* libavcodec initialization code */
av_cold void ff_dsputil_init_vis(DSPContext *c, AVCodecContext *avctx)
{
/* VIS-specific optimizations */
int accel = vis_level ();
const int high_bit_depth = avctx->bits_per_raw_sample > 8;
if (accel & ACCEL_SPARC_VIS && !high_bit_depth) {
if (avctx->idct_algo == FF_IDCT_SIMPLEVIS) {
c->idct_put = ff_simple_idct_put_vis;
c->idct_add = ff_simple_idct_add_vis;
c->idct = ff_simple_idct_vis;
c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
}
}
}
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