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  1. /*
  2.  * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #include "dsputil_arm.h"
  22.  
  23. void ff_simple_idct_armv5te(int16_t *data);
  24. void ff_simple_idct_put_armv5te(uint8_t *dest, int line_size, int16_t *data);
  25. void ff_simple_idct_add_armv5te(uint8_t *dest, int line_size, int16_t *data);
  26.  
  27. av_cold void ff_dsputil_init_armv5te(DSPContext *c, AVCodecContext *avctx)
  28. {
  29.     if (!avctx->lowres && avctx->bits_per_raw_sample <= 8 &&
  30.         (avctx->idct_algo == FF_IDCT_AUTO ||
  31.          avctx->idct_algo == FF_IDCT_SIMPLEARMV5TE)) {
  32.         c->idct_put              = ff_simple_idct_put_armv5te;
  33.         c->idct_add              = ff_simple_idct_add_armv5te;
  34.         c->idct                  = ff_simple_idct_armv5te;
  35.         c->idct_permutation_type = FF_NO_IDCT_PERM;
  36.     }
  37. }
  38.