float_dsp_init.c 1.4 KB

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  1. /*
  2. * Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org>
  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. #include "config.h"
  21. #include "libavutil/attributes.h"
  22. #include "libavutil/cpu.h"
  23. #include "libavutil/float_dsp.h"
  24. #include "libavutil/ppc/cpu.h"
  25. #include "float_dsp_altivec.h"
  26. av_cold void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int bit_exact)
  27. {
  28. if (!PPC_ALTIVEC(av_get_cpu_flags()))
  29. return;
  30. fdsp->vector_fmul = ff_vector_fmul_altivec;
  31. fdsp->vector_fmul_add = ff_vector_fmul_add_altivec;
  32. fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_altivec;
  33. if (!bit_exact) {
  34. fdsp->vector_fmul_window = ff_vector_fmul_window_altivec;
  35. }
  36. }