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/*
* ARMv4L optimized DSP utils
* Copyright (c) 2001 Lionel Ulmer.
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "../dsputil.h"
extern void j_rev_dct_ARM(DCTELEM *data);
/* XXX: local hack */
static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
/* XXX: those functions should be suppressed ASAP when all IDCTs are
converted */
static void arm_idct_put(uint8_t *dest, int line_size, DCTELEM *block)
{
j_rev_dct_ARM (block);
ff_put_pixels_clamped(block, dest, line_size);
}
static void arm_idct_add(uint8_t *dest, int line_size, DCTELEM *block)
{
j_rev_dct_ARM (block);
ff_add_pixels_clamped(block, dest, line_size);
}
void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx)
{
const int idct_algo= avctx->idct_algo;
ff_put_pixels_clamped = c->put_pixels_clamped;
ff_add_pixels_clamped = c->add_pixels_clamped;
if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_ARM){
c->idct_put= arm_idct_put;
c->idct_add= arm_idct_add;
c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;/* FF_NO_IDCT_PERM */
}
}
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