Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.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.  
  21. #include "config.h"
  22. #include "libavutil/attributes.h"
  23. #include "libavutil/cpu.h"
  24. #include "libavutil/intreadwrite.h"
  25. #include "libavutil/ppc/types_altivec.h"
  26. #include "libavutil/ppc/util_altivec.h"
  27. #include "libavcodec/h264chroma.h"
  28. #include "dsputil_altivec.h"
  29.  
  30. #if HAVE_ALTIVEC
  31. #define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
  32. #define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
  33.  
  34. #define OP_U8_ALTIVEC                          PUT_OP_U8_ALTIVEC
  35. #define PREFIX_h264_chroma_mc8_altivec         put_h264_chroma_mc8_altivec
  36. #define PREFIX_h264_chroma_mc8_num             altivec_put_h264_chroma_mc8_num
  37. #include "h264chroma_template.c"
  38. #undef OP_U8_ALTIVEC
  39. #undef PREFIX_h264_chroma_mc8_altivec
  40. #undef PREFIX_h264_chroma_mc8_num
  41.  
  42. #define OP_U8_ALTIVEC                          AVG_OP_U8_ALTIVEC
  43. #define PREFIX_h264_chroma_mc8_altivec         avg_h264_chroma_mc8_altivec
  44. #define PREFIX_h264_chroma_mc8_num             altivec_avg_h264_chroma_mc8_num
  45. #include "h264chroma_template.c"
  46. #undef OP_U8_ALTIVEC
  47. #undef PREFIX_h264_chroma_mc8_altivec
  48. #undef PREFIX_h264_chroma_mc8_num
  49. #endif /* HAVE_ALTIVEC */
  50.  
  51. av_cold void ff_h264chroma_init_ppc(H264ChromaContext *c, int bit_depth)
  52. {
  53. #if HAVE_ALTIVEC
  54.     const int high_bit_depth = bit_depth > 8;
  55.  
  56.     if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
  57.         return;
  58.  
  59.     if (!high_bit_depth) {
  60.         c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec;
  61.         c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec;
  62.     }
  63. #endif /* HAVE_ALTIVEC */
  64. }
  65.