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  1. /*
  2.  * IEC 61937 common code
  3.  * Copyright (c) 2009 Bartlomiej Wolowiec
  4.  *
  5.  * This file is part of FFmpeg.
  6.  *
  7.  * FFmpeg is free software; you can redistribute it and/or
  8.  * modify it under the terms of the GNU Lesser General Public
  9.  * License as published by the Free Software Foundation; either
  10.  * version 2.1 of the License, or (at your option) any later version.
  11.  *
  12.  * FFmpeg is distributed in the hope that it will be useful,
  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15.  * Lesser General Public License for more details.
  16.  *
  17.  * You should have received a copy of the GNU Lesser General Public
  18.  * License along with FFmpeg; if not, write to the Free Software
  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20.  */
  21.  
  22. #include "spdif.h"
  23. #include "libavutil/bswap.h"
  24.  
  25. //TODO move to DSP
  26. void ff_spdif_bswap_buf16(uint16_t *dst, const uint16_t *src, int w)
  27. {
  28.     int i;
  29.  
  30.     for (i = 0; i + 8 <= w; i += 8) {
  31.         dst[i + 0] = av_bswap16(src[i + 0]);
  32.         dst[i + 1] = av_bswap16(src[i + 1]);
  33.         dst[i + 2] = av_bswap16(src[i + 2]);
  34.         dst[i + 3] = av_bswap16(src[i + 3]);
  35.         dst[i + 4] = av_bswap16(src[i + 4]);
  36.         dst[i + 5] = av_bswap16(src[i + 5]);
  37.         dst[i + 6] = av_bswap16(src[i + 6]);
  38.         dst[i + 7] = av_bswap16(src[i + 7]);
  39.     }
  40.     for (; i < w; i++)
  41.         dst[i + 0] = av_bswap16(src[i + 0]);
  42. }
  43.