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  1. /*
  2.  * Copyright (C) 2003 David S. Miller <davem@redhat.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 "libavutil/attributes.h"
  22. #include "libavcodec/dsputil.h"
  23. #include "dsputil_vis.h"
  24. #include "vis.h"
  25.  
  26. av_cold void ff_dsputil_init_vis(DSPContext *c, AVCodecContext *avctx)
  27. {
  28.   /* VIS-specific optimizations */
  29.   int accel = vis_level ();
  30.   const int high_bit_depth = avctx->bits_per_raw_sample > 8;
  31.  
  32.   if (accel & ACCEL_SPARC_VIS && !high_bit_depth) {
  33.       if (avctx->idct_algo == FF_IDCT_SIMPLEVIS) {
  34.           c->idct_put = ff_simple_idct_put_vis;
  35.           c->idct_add = ff_simple_idct_add_vis;
  36.           c->idct     = ff_simple_idct_vis;
  37.           c->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
  38.       }
  39.   }
  40. }
  41.