ffmpeg/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 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
  22 #include "libavutil/attributes.h"
  23 #include "h264qpel.h"
  24
  25 #define pixeltmp int16_t
  26 #define BIT_DEPTH 8
  27 #include "h264qpel_template.c"
  28 #undef BIT_DEPTH
  29
  30 #define BIT_DEPTH 9
  31 #include "h264qpel_template.c"
  32 #undef BIT_DEPTH
  33
  34 #define BIT_DEPTH 10
  35 #include "h264qpel_template.c"
  36 #undef BIT_DEPTH
  37 #undef pixeltmp
  38
  39 #define pixeltmp int32_t
  40 #define BIT_DEPTH 12
  41 #include "h264qpel_template.c"
  42 #undef BIT_DEPTH
  43
  44 #define BIT_DEPTH 14
  45 #include "h264qpel_template.c"
  46 #undef BIT_DEPTH
  47
  48
  49 av_cold void ff_h264qpel_init(H264QpelContext *c, int bit_depth)
  50 {
  51 #undef FUNCC
  52 #define FUNCC(f, depth) f ## _ ## depth ## _c
  53
  54 #define dspfunc2(PFX, IDX, NUM, depth)                                  \
  55     c->PFX ## _pixels_tab[IDX][ 0] = FUNCC(PFX ## NUM ## _mc00, depth); \
  56     c->PFX ## _pixels_tab[IDX][ 1] = FUNCC(PFX ## NUM ## _mc10, depth); \
  57     c->PFX ## _pixels_tab[IDX][ 2] = FUNCC(PFX ## NUM ## _mc20, depth); \
  58     c->PFX ## _pixels_tab[IDX][ 3] = FUNCC(PFX ## NUM ## _mc30, depth); \
  59     c->PFX ## _pixels_tab[IDX][ 4] = FUNCC(PFX ## NUM ## _mc01, depth); \
  60     c->PFX ## _pixels_tab[IDX][ 5] = FUNCC(PFX ## NUM ## _mc11, depth); \
  61     c->PFX ## _pixels_tab[IDX][ 6] = FUNCC(PFX ## NUM ## _mc21, depth); \
  62     c->PFX ## _pixels_tab[IDX][ 7] = FUNCC(PFX ## NUM ## _mc31, depth); \
  63     c->PFX ## _pixels_tab[IDX][ 8] = FUNCC(PFX ## NUM ## _mc02, depth); \
  64     c->PFX ## _pixels_tab[IDX][ 9] = FUNCC(PFX ## NUM ## _mc12, depth); \
  65     c->PFX ## _pixels_tab[IDX][10] = FUNCC(PFX ## NUM ## _mc22, depth); \
  66     c->PFX ## _pixels_tab[IDX][11] = FUNCC(PFX ## NUM ## _mc32, depth); \
  67     c->PFX ## _pixels_tab[IDX][12] = FUNCC(PFX ## NUM ## _mc03, depth); \
  68     c->PFX ## _pixels_tab[IDX][13] = FUNCC(PFX ## NUM ## _mc13, depth); \
  69     c->PFX ## _pixels_tab[IDX][14] = FUNCC(PFX ## NUM ## _mc23, depth); \
  70     c->PFX ## _pixels_tab[IDX][15] = FUNCC(PFX ## NUM ## _mc33, depth)
  71
  72 #define SET_QPEL(depth)                         \
  73     dspfunc2(put_h264_qpel, 0, 16, depth);      \
  74     dspfunc2(put_h264_qpel, 1,  8, depth);      \
  75     dspfunc2(put_h264_qpel, 2,  4, depth);      \
  76     dspfunc2(put_h264_qpel, 3,  2, depth);      \
  77     dspfunc2(avg_h264_qpel, 0, 16, depth);      \
  78     dspfunc2(avg_h264_qpel, 1,  8, depth);      \
  79     dspfunc2(avg_h264_qpel, 2,  4, depth)
  80
  81     switch (bit_depth) {
  82     default:
  83         SET_QPEL(8);
  84         break;
  85     case 9:
  86         SET_QPEL(9);
  87         break;
  88     case 10:
  89         SET_QPEL(10);
  90         break;
  91     case 12:
  92         SET_QPEL(12);
  93         break;
  94     case 14:
  95         SET_QPEL(14);
  96         break;
  97     }
  98
  99     if (ARCH_AARCH64)
 100         ff_h264qpel_init_aarch64(c, bit_depth);
 101     if (ARCH_ARM)
 102         ff_h264qpel_init_arm(c, bit_depth);
 103     if (ARCH_PPC)
 104         ff_h264qpel_init_ppc(c, bit_depth);
 105     if (ARCH_X86)
 106         ff_h264qpel_init_x86(c, bit_depth);
 107 }