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  1. /*
  2.  * Copyright (C) 2012 Ronald S. Bultje
  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 "libavutil/avassert.h"
  23. #include "libavutil/common.h"
  24. #include "videodsp.h"
  25.  
  26. #define BIT_DEPTH 8
  27. #include "videodsp_template.c"
  28. #undef BIT_DEPTH
  29.  
  30. #define BIT_DEPTH 16
  31. #include "videodsp_template.c"
  32. #undef BIT_DEPTH
  33.  
  34. static void just_return(uint8_t *buf, ptrdiff_t stride, int h)
  35. {
  36. }
  37.  
  38. av_cold void ff_videodsp_init(VideoDSPContext *ctx, int bpc)
  39. {
  40.     ctx->prefetch = just_return;
  41.     if (bpc <= 8) {
  42.         ctx->emulated_edge_mc = ff_emulated_edge_mc_8;
  43.     } else {
  44.         ctx->emulated_edge_mc = ff_emulated_edge_mc_16;
  45.     }
  46.  
  47.     if (ARCH_ARM)
  48.         ff_videodsp_init_arm(ctx, bpc);
  49.     if (ARCH_PPC)
  50.         ff_videodsp_init_ppc(ctx, bpc);
  51.     if (ARCH_X86)
  52.         ff_videodsp_init_x86(ctx, bpc);
  53. }
  54.