libavcodec/h264qpel.c

   1 /*
   2  * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
   3  * Copyright (c) 2003-2010 Michael Niedermayer <michaelni@gmx.at>
   4  *
   5  * This file is part of Libav.
   6  *
   7  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include "h264qpel.h"
  23
  24 #define BIT_DEPTH 8
  25 #include "h264qpel_template.c"
  26 #undef BIT_DEPTH
  27
  28 #define BIT_DEPTH 9
  29 #include "h264qpel_template.c"
  30 #undef BIT_DEPTH
  31
  32 #define BIT_DEPTH 10
  33 #include "h264qpel_template.c"
  34 #undef BIT_DEPTH
  35
  36 void ff_h264qpel_init(H264QpelContext *c, int bit_depth)
  37 {
  38 #undef FUNCC
  39 #define FUNCC(f, depth) f ## _ ## depth ## _c
  40
  41 #define dspfunc2(PFX, IDX, NUM, depth)                                  \
  42     c->PFX ## _pixels_tab[IDX][ 0] = FUNCC(PFX ## NUM ## _mc00, depth); \
  43     c->PFX ## _pixels_tab[IDX][ 1] = FUNCC(PFX ## NUM ## _mc10, depth); \
  44     c->PFX ## _pixels_tab[IDX][ 2] = FUNCC(PFX ## NUM ## _mc20, depth); \
  45     c->PFX ## _pixels_tab[IDX][ 3] = FUNCC(PFX ## NUM ## _mc30, depth); \
  46     c->PFX ## _pixels_tab[IDX][ 4] = FUNCC(PFX ## NUM ## _mc01, depth); \
  47     c->PFX ## _pixels_tab[IDX][ 5] = FUNCC(PFX ## NUM ## _mc11, depth); \
  48     c->PFX ## _pixels_tab[IDX][ 6] = FUNCC(PFX ## NUM ## _mc21, depth); \
  49     c->PFX ## _pixels_tab[IDX][ 7] = FUNCC(PFX ## NUM ## _mc31, depth); \
  50     c->PFX ## _pixels_tab[IDX][ 8] = FUNCC(PFX ## NUM ## _mc02, depth); \
  51     c->PFX ## _pixels_tab[IDX][ 9] = FUNCC(PFX ## NUM ## _mc12, depth); \
  52     c->PFX ## _pixels_tab[IDX][10] = FUNCC(PFX ## NUM ## _mc22, depth); \
  53     c->PFX ## _pixels_tab[IDX][11] = FUNCC(PFX ## NUM ## _mc32, depth); \
  54     c->PFX ## _pixels_tab[IDX][12] = FUNCC(PFX ## NUM ## _mc03, depth); \
  55     c->PFX ## _pixels_tab[IDX][13] = FUNCC(PFX ## NUM ## _mc13, depth); \
  56     c->PFX ## _pixels_tab[IDX][14] = FUNCC(PFX ## NUM ## _mc23, depth); \
  57     c->PFX ## _pixels_tab[IDX][15] = FUNCC(PFX ## NUM ## _mc33, depth)
  58
  59 #define SET_QPEL(depth)                         \
  60     dspfunc2(put_h264_qpel, 0, 16, depth);      \
  61     dspfunc2(put_h264_qpel, 1,  8, depth);      \
  62     dspfunc2(put_h264_qpel, 2,  4, depth);      \
  63     dspfunc2(put_h264_qpel, 3,  2, depth);      \
  64     dspfunc2(avg_h264_qpel, 0, 16, depth);      \
  65     dspfunc2(avg_h264_qpel, 1,  8, depth);      \
  66     dspfunc2(avg_h264_qpel, 2,  4, depth)
  67
  68     switch (bit_depth) {
  69     default:
  70         SET_QPEL(8);
  71         break;
  72     case 9:
  73         SET_QPEL(9);
  74         break;
  75     case 10:
  76         SET_QPEL(10);
  77         break;
  78     }
  79
  80     if (ARCH_ARM)
  81         ff_h264qpel_init_arm(c, bit_depth);
  82     if (ARCH_PPC)
  83         ff_h264qpel_init_ppc(c, bit_depth);
  84     if (ARCH_X86)
  85         ff_h264qpel_init_x86(c, bit_depth);
  86 }