spdif.c 1.4 KB

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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. #include "spdif.h"
  22. #include "libavutil/bswap.h"
  23. //TODO move to DSP
  24. void ff_spdif_bswap_buf16(uint16_t *dst, const uint16_t *src, int w)
  25. {
  26. int i;
  27. for (i = 0; i + 8 <= w; i += 8) {
  28. dst[i + 0] = av_bswap16(src[i + 0]);
  29. dst[i + 1] = av_bswap16(src[i + 1]);
  30. dst[i + 2] = av_bswap16(src[i + 2]);
  31. dst[i + 3] = av_bswap16(src[i + 3]);
  32. dst[i + 4] = av_bswap16(src[i + 4]);
  33. dst[i + 5] = av_bswap16(src[i + 5]);
  34. dst[i + 6] = av_bswap16(src[i + 6]);
  35. dst[i + 7] = av_bswap16(src[i + 7]);
  36. }
  37. for (; i < w; i++)
  38. dst[i + 0] = av_bswap16(src[i + 0]);
  39. }